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Question: [QUESTION]In Cincinnati, which months have average temperatures above 70°F?
Solution: To describe the average temperature trends in Cincinnati, look at the graph.
Choice "Mar" is incorrect.
Choice "Apr" is incorrect.
Choice "May" is incorrect.
Choice "Jun" is incorrect.
Choice "Jul" is incorrect.
Choice "Aug" is incorrect.
Choice "Sep" is incorrect.
Choice "Oct" is incorrect.
Choice "Nov" is incorrect.
The only months with an average temperature above 70°F are June, July, and August.
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TheMrguiller/ScienceQA
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Question: [QUESTION]Identify the question that Sandra's experiment can best answer.
Solution:
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TheMrguiller/ScienceQA
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Question: [QUESTION]Which statement describes the Steigerwald Forest ecosystem?
Solution: A temperate deciduous forest is a type of ecosystem. Temperate deciduous forests have the following features: warm, wet summers and cold, wet winters, soil that is rich in nutrients, and only a few types of trees. So, the following statement describes the Steigerwald Forest ecosystem: warm, wet summers and cold, wet winters, soil that is rich in nutrients, and only a few types of trees. It has only a few types of trees. The following statements do not describe the Steigerwald Forest: warm, wet summers and cold, wet winters, soil that is rich in nutrients, and only a few types of trees. It has soil that is poor in nutrients. It has many different types of trees.
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TheMrguiller/ScienceQA
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Question: [QUESTION]What is the source of the allusion in the sentence below?
Tanvi anticipated that the free makeover her friend was promising would turn out to be a Trojan horse.
Solution: The source of the allusion Trojan horse is Greek mythology.
In Greek mythology, the Greek army tricks the Trojan army into taking a large wooden horse into their carefully guarded city. The horse turns out to be filled with Greek warriors who, once inside the city of Troy, open the gates to the Greek army waiting outside.
The allusion Trojan horse means a deceptive or harmful offering.
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TheMrguiller/ScienceQA
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Question: [QUESTION]Which of these states is farthest north?
Solution: To find the answer, look at the compass rose. Look at which way the north arrow is pointing. Indiana is farthest north.
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TheMrguiller/ScienceQA
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Question: [QUESTION]Complete the sentences.
The American people have the rights listed in the Constitution. The Ninth Amendment says that if the Constitution doesn't list a right, that right ().
Solution: The American people have the rights listed in the Constitution. The Ninth Amendment says that if the Constitution doesn't list a right, that right might still exist. The Bill of Rights lists some rights. But it is not meant to be a complete list of all rights. The full text of the Ninth Amendment is below. The enumeration in the Constitution, of certain rights, shall not be construed to deny or disparage others retained by the people.
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TheMrguiller/ScienceQA
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Question: [QUESTION]How long does it take to toast bread in the toaster?
Solution: The better estimate for how long it takes to toast bread in the toaster is 3 minutes.
3 seconds is too fast.
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TheMrguiller/ScienceQA
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Question: [QUESTION]What kind of sentence is this?
That's his fourth touchdown in the game!
Solution: The sentence tells about something, but it shows surprise and ends with an exclamation point. It is an exclamatory sentence.
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TheMrguiller/ScienceQA
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Question: [QUESTION]Which text uses the word disinterested in its traditional sense?
Solution: The first text uses disinterested in its traditional sense: unbiased or impartial.
Francesca is excellent in her position as class treasurer. She always manages to be disinterested in student council debates about the allocation of extracurricular funds.
The second text uses disinterested in its nontraditional sense: uninterested or indifferent.
Francesca is happy with her position as class treasurer. Though she would have the support of the student council, she is disinterested in running for student body president.
Most style guides recommend to use the traditional sense of the word disinterested because it is considered more standard.
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TheMrguiller/ScienceQA
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Question: [QUESTION]Based on this information, what is this plant's phenotype for the pod color trait?
Solution: The pea plant's genotype for the pod color gene is DD. The pea plant's genotype of DD has only D allelles. The D allele is for green pods. So, the pea plant's phenotype for the pod color trait must be green pods.
To check this answer, consider whether the pea plant's alleles are dominant or recessive. The allele for yellow pods (d) is recessive to the allele for green pods (D). This means D is a dominant allele, and d is a recessive allele.
The pea plant's genotype of DD has two dominant alleles. An organism with at least one dominant allele for a gene will have the dominant allele's version of the trait. So, the pea plant's phenotype for the pod color trait must be green pods.
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TheMrguiller/ScienceQA
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Question: [QUESTION]Select the one substance that is not a rock.
Solution: Compare the properties of each substance to the properties of rocks. Select the substance whose properties do not match those of rocks.
A skull is made by a living thing. But rocks are not made by living things.
So, a skull is not a rock.
Andesite is a rock.
Shale is a rock.
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TheMrguiller/ScienceQA
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Question: [QUESTION]Select the living thing.
Solution: A loon is a living thing.
Loons grow and respond to the world around them. They need food and water.
A tiara is not a living thing.
Tiaras do not have all of the traits of living things. They do not grow or respond to the world around them. They do not need food or water.
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TheMrguiller/ScienceQA
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Question: [QUESTION]Look at the models of molecules below. Select the elementary substance.
Solution:
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TheMrguiller/ScienceQA
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Question: [QUESTION]What is the capital of Kentucky?
Solution: Frankfort is the capital of Kentucky.
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TheMrguiller/ScienceQA
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Question: [QUESTION]Which tense does the sentence use?
I will pack my clothes this afternoon.
Solution: The sentence is in future tense. You can tell because it uses will before the main verb, pack. The verb tells you about something that is going to happen.
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TheMrguiller/ScienceQA
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Question: [QUESTION]What do these two changes have in common?
butter melting on a hot day
grilling a hamburger
Solution: Step 1: Think about each change.
Butter melting on a hot day is a change of state. So, it is a physical change. The butter changes from solid to liquid, but it is still made of the same type of matter.
Grilling a hamburger is a chemical change. Heat from the grill causes the matter in the meat to change. Cooked meat and raw meat are different types of matter.
Step 2: Look at each answer choice.
Both are only physical changes.
Butter melting on a hot day is a physical change. But grilling a hamburger is not.
Both are chemical changes.
Grilling a hamburger is a chemical change. But butter melting on a hot day is not.
Both are caused by heating.
Both changes are caused by heating.
Both are caused by cooling.
Neither change is caused by cooling.
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TheMrguiller/ScienceQA
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Question: [QUESTION]Is a rock a solid, a liquid, or a gas?
Solution: A rock is a solid. A solid has a size and shape of its own.
Rocks come in many different sizes.
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TheMrguiller/ScienceQA
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Question: [QUESTION]What is the volume of a watering can?
Solution: The better estimate for the volume of a watering can is 7 liters.
7 milliliters is too little.
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TheMrguiller/ScienceQA
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Question: [QUESTION]Which figure of speech is used in this text?
I must confess that in my quest I felt depressed and restless
—Thin Lizzy, "With Love"
Solution: The text uses assonance, the repetition of a vowel sound in a series of nearby words.
The words confess, quest, depressed, and restless share a vowel sound.
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TheMrguiller/ScienceQA
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Question: [QUESTION]Compare the average kinetic energies of the particles in each sample. Which sample has the higher temperature?
Solution: The particles in both samples have the same average speed, but each particle in sample B has more mass than each particle in sample A. So, the particles in sample B have a higher average kinetic energy than the particles in sample A.
Because the particles in sample B have the higher average kinetic energy, sample B must have the higher temperature.
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TheMrguiller/ScienceQA
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Question: [QUESTION]Which country is highlighted?
Solution: This country is Tuvalu.
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TheMrguiller/ScienceQA
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Question: [QUESTION]What is the name of the colony shown?
Solution: The colony is North Carolina.
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TheMrguiller/ScienceQA
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Question: [QUESTION]Which object has the least thermal energy?
Solution: All three bricks have the same mass but different temperatures. Since the 276°F brick is the coldest, it has the least thermal energy.
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TheMrguiller/ScienceQA
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Question: [QUESTION]What is the capital of Colorado?
Solution: Denver is the capital of Colorado.
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TheMrguiller/ScienceQA
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Question: [QUESTION]Which i in column 1?
Solution: The grocery store is in column 1.
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TheMrguiller/ScienceQA
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Question: [QUESTION]Which animal's legs are also adapted for wading?
Solution: Look at the picture of the Eurasian spoonbill.
Long legs help the Eurasian spoonbill keep its body above the surface of the water while wading. Thin legs are easier to move through the water.
Now look at each animal. Figure out which animal has a similar adaptation.
The shoebill has long, thin legs. Its legs are adapted for wading.
The satin bowerbird has short legs. Its legs are not adapted for wading. The satin bowerbird uses its legs to walk and perch.
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TheMrguiller/ScienceQA
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Question: [QUESTION]Which tense does the sentence use?
Owen opens the big box.
Solution: The sentence is in present tense. You can tell because it uses a present-tense verb, opens. The verb ends in -s and tells you about something that is true or happening now.
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TheMrguiller/ScienceQA
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Question: [QUESTION]Which animal's feet are also adapted for grabbing prey?
Solution: Look at the picture of the bald eagle.
The bald eagle has long toes with sharp claws. Its feet are adapted for grabbing prey. The sharp claws can help the bald eagle attack and kill its prey. The long toes can help it hold on to its prey.
Now look at each animal. Figure out which animal has a similar adaptation.
The swamp harrier has long toes with sharp claws. Its feet are adapted for grabbing prey.
The sable has hoofed feet. Its feet are not adapted for grabbing prey. The sable uses its feet to walk and run on hard ground.
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TheMrguiller/ScienceQA
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Question: [QUESTION]Which closing is correct for a letter?
Solution: The first closing is correct:
Its first word is capitalized, and it ends with a comma.
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TheMrguiller/ScienceQA
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Question: [QUESTION]Which of the following was an independent variable in this experiment?
Solution:
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TheMrguiller/ScienceQA
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Question: [QUESTION]Select the solid.
Solution:
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TheMrguiller/ScienceQA
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Question: [QUESTION]Which change best matches the sentence?
Pieces of rock and soil are washed away by water.
Solution:
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TheMrguiller/ScienceQA
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Question: [QUESTION]What does the verbal irony in this text suggest?
"Someone had better turn on the heat," Isabelle said, sweat glistening on her face.
Solution: The text uses verbal irony, which involves saying one thing but implying something very different.
Someone had better turn on the heat ironically suggests that the temperature was too warm. Isabelle did not think that more heat was needed; she was already sweating.
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TheMrguiller/ScienceQA
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Question: [QUESTION]Compare the average kinetic energies of the particles in each sample. Which sample has the higher temperature?
Solution: Each particle in sample A has more mass than each particle in sample B. The particles in sample A also have a higher average speed than the particles in sample B. So, the particles in sample A have a higher average kinetic energy than the particles in sample B.
Because the particles in sample A have the higher average kinetic energy, sample A must have the higher temperature.
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TheMrguiller/ScienceQA
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Question: [QUESTION]What can Marvin and Ken trade to each get what they want?
Solution: Marvin wanted broccoli in his lunch and Ken was hoping for tomatoes. Look at the labeled part of the images.
Marvin has tomatoes. Ken has broccoli. They can trade tomatoes for broccoli to both be happier. Trading other things would not help either person get more items they want.
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TheMrguiller/ScienceQA
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Question: [QUESTION]Which property do these two objects have in common?
Solution: Look at each object.
For each object, decide if it has that property.
A soft object changes shape when you squeeze it. Both objects are soft.
A bouncy object will bounce back from the floor if you drop it. Neither of the objects are bouncy.
The property that both objects have in common is soft.
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TheMrguiller/ScienceQA
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Question: [QUESTION]Think about the magnetic force between the magnets in each pair. Which of the following statements is true?
Solution: The magnets in Pair 1 attract. The magnets in Pair 2 repel. But whether the magnets attract or repel affects only the direction of the magnetic force. It does not affect the magnitude of the magnetic force.
Both magnet sizes and distance affect the magnitude of the magnetic force. The sizes of the magnets in Pair 1 are the same as in Pair 2. The distance between the magnets is also the same.
So, the magnitude of the magnetic force is the same in both pairs.
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TheMrguiller/ScienceQA
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Question: [QUESTION]What kind of sentence is this?
No one lives at the base of the volcano.
Solution: The sentence tells about something, and it ends with a period. It is a declarative sentence.
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TheMrguiller/ScienceQA
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Question: [QUESTION]Is an empty glass a solid, a liquid, or a gas?
Solution: An empty glass is a solid. If someone drops a glass, it may break into pieces. But each piece will still have a size and shape of its own.
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TheMrguiller/ScienceQA
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Question: [QUESTION]Complete the statement.
Silicon carbide is ().
Solution: Use the model to determine whether silicon carbide is an elementary substance or a compound.
Step 1: Interpret the model.
.
Use the legend to determine the chemical element represented by each color. The colors and atomic symbols from the legend are shown in the table below. The table also includes the names of the chemical elements represented in the model.
You can see from the model that silicon carbide is composed of carbon atoms and silicon atoms bonded together.
Step 2: Determine whether the substance is an elementary substance or a compound.
You know from Step 1 that silicon carbide is composed of two chemical elements: carbon and silicon. Since silicon carbide is composed of multiple chemical elements bonded together, silicon carbide is a compound.
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TheMrguiller/ScienceQA
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Question: [QUESTION]Which holiday greeting is more formal?
Solution: The first holiday greeting is more formal. It uses more elevated language (Independence Day, the entire staff). The other holiday greeting uses casual language (happy 4 th, the crew) that is more familiar in tone.
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TheMrguiller/ScienceQA
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Question: [QUESTION]Is the following trait inherited or acquired?
Colton has naturally dark skin.
Solution: Humans do not choose their skin color. Babies get their skin color from their parents. So, Colton's skin color is an inherited trait.
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TheMrguiller/ScienceQA
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Question: [QUESTION]Which closing is correct for a letter?
Solution: The second closing is correct:
Its first word is capitalized, and it ends with a comma.
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TheMrguiller/ScienceQA
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Question: [QUESTION]What is the capital of Colorado?
Solution: Denver is the capital of Colorado.
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TheMrguiller/ScienceQA
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Question: [QUESTION]Think about the magnetic force between the magnets in each pair. Which of the following statements is true?
Solution: Distance affects the strength of the magnetic force. When magnets are farther apart, the magnetic force between them is weaker.
The magnets in Pair 2 are farther apart than the magnets in Pair 1. So, the magnetic force is weaker in Pair 2 than in Pair 1.
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TheMrguiller/ScienceQA
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Question: [QUESTION]In this experiment, which were part of an experimental group?
Solution: In this experiment, Preston and his neighbors investigated whether adding sunflower seeds to bird feeders affects how many woodpeckers visit yards. So, the yards with feeders filled with sunflower seeds were part of an experimental group.
The yards with empty feeders did not get sunflower seeds. So, they were not part of an experimental group.
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TheMrguiller/ScienceQA
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Question: [QUESTION]Which figure of speech is used in this text?
Amy's Boutique claims to have "something for everyone," but it is generally understood that their target market is women of a certain age.
Solution: The text uses a euphemism, a polite or indirect expression that is used to de-emphasize an unpleasant topic.
Of a certain age is an indirect and generally more polite way of referring to older people.
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TheMrguiller/ScienceQA
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Question: [QUESTION]Does this passage describe the weather or the climate?
While at the park today, William noticed that the wind was coming from the southwest.
Solution: Read the text carefully.
While at the park today, William noticed that the wind was coming from the southwest.
This passage tells you about the wind direction at the park today. It describes the atmosphere at a certain place and time. So, this passage describes the weather.
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TheMrguiller/ScienceQA
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Question: [QUESTION]Which text uses the word terribly in its traditional sense?
Solution: The first text uses terribly in its traditional sense: in a terrible manner.
Tanvi decided to make escargots using the small snails from her garden, but she prepared them terribly. Since she'd forgotten to add garlic, the taste was disappointing.
The second text uses terribly in its nontraditional sense: extremely; very.
Tanvi made escargots using the small snails from her garden. She prepared them according to the recipe but found the chewy texture terribly disappointing.
Most style guides recommend to use the traditional sense of the word terribly because it is considered more standard.
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TheMrguiller/ScienceQA
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Question: [QUESTION]Which country is highlighted?
Solution: This country is the Marshall Islands.
Does the Marshall Islands have any territorial disputes?
The Marshall Islands claims to own Wake Island, which is a disputed territory. In other words, multiple countries or groups claim that the area rightfully belongs to them.
The United States claimed Wake Island in 1899 and has controlled it since then. But the Marshall Islands considers the island part of its territory. It says that its people have traveled to the island to gather food and resources for many years. Today, the island is mainly used by the U.S. Air Force.
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TheMrguiller/ScienceQA
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Question: [QUESTION]Which word would you find on a dictionary page with the following guide words?
see - stroke
Solution: Put the words in alphabetical order.
Since sit is between the guide words see - stroke, it would be found on that page.
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TheMrguiller/ScienceQA
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Question: [QUESTION]Will these magnets attract or repel each other?
Solution: To predict if these magnets will attract or repel, look at which poles are closest to each other.
The south pole of one magnet is closest to the south pole of the other magnet. Like poles repel. So, these magnets will repel each other.
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TheMrguiller/ScienceQA
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Question: [QUESTION]What do these two changes have in common?
burning a candle
a banana getting ripe on the counter
Solution: Step 1: Think about each change.
Burning a candle is a chemical change. Both the wick and the melted wax burn. They react with oxygen in the air and turn into soot, carbon dioxide, and water.
A banana getting ripe on the counter is a chemical change. As a banana ripens, the type of matter in it changes. The peel changes color and the inside becomes softer and sweeter.
Step 2: Look at each answer choice.
Both are only physical changes.
Both changes are chemical changes. They are not physical changes.
Both are chemical changes.
Both changes are chemical changes. The type of matter before and after each change is different.
Both are caused by heating.
Burning is caused by heating. But a banana getting ripe is not.
Both are caused by cooling.
Neither change is caused by cooling.
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TheMrguiller/ScienceQA
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Question: [QUESTION]Which text uses the word unique in its traditional sense?
Solution: The second text uses unique in its traditional sense: being the only one of its kind.
Each vase and bowl in Beth's collection of handmade pottery is unique. The colors and designs reflect both her cultural heritage and her individual artistic style.
The first text uses unique in its nontraditional sense: interesting or unusual. Beth is a distinctive artist, but might not be one of a kind. It may be helpful to remember that if unique is modified by an adverb—as in most unique, very unique, or quite unique—it is probably being used nontraditionally.
Beth's collection of handmade pottery was featured in last week's edition of the Georgetown Journal, which identified her as "one of the most unique young artists to debut this year."
Most style guides recommend to use the traditional sense of the word unique because it is considered more standard.
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TheMrguiller/ScienceQA
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Question: [QUESTION]Which continent is highlighted?
Solution: This continent is South America.
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TheMrguiller/ScienceQA
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Question: [QUESTION]Will these magnets attract or repel each other?
Solution: Will these magnets attract or repel? To find out, look at which poles are closest to each other.
The north pole of one magnet is closest to the south pole of the other magnet. Poles that are different attract. So, these magnets will attract each other.
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TheMrguiller/ScienceQA
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Question: [QUESTION]What is the source of the allusion in the sentence below?
For me, Yosemite in the summer is Shangri-La.
Solution: The source of the allusion Shangri-La is literature.
In his novel Lost Horizon, James Hilton describes the fictional paradise of Shangri-La, which is located in the mountains of Tibet.
The allusion Shangri-La means an ideal place.
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TheMrguiller/ScienceQA
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Question: [QUESTION]Which of the following could Albert's test show?
Solution:
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TheMrguiller/ScienceQA
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Question: [QUESTION]Which is the main persuasive appeal used in this ad?
Solution: The ad appeals to logos, or reason. It uses a specific figure (3% cash back) and focuses on practical benefits of the product (everyday purchases).
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TheMrguiller/ScienceQA
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Question: [QUESTION]Which animal's skin is also adapted for survival in cold places?
Solution: Look at the picture of the snowy owl.
The snowy owl has a thick coat of feathers covering its skin. Its skin is adapted for survival in cold places. The snowy owl uses its feathers to keep warm in cold weather.
Now look at each animal. Figure out which animal has a similar adaptation.
The polar bear has skin with thick fur on top and a thick layer of fat underneath it. Its skin is adapted for survival in cold places.
The naked mole rat has thin skin covering its body. Its skin is not adapted for survival in cold places.
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TheMrguiller/ScienceQA
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Question: [QUESTION]Select the living thing.
Solution: A hockey puck is not a living thing.
Hockey pucks do not have all of the traits of living things. They do not grow or respond to their environment. They do not need food or water.
A yeast is a living thing.
Yeasts grow and respond to their environment. They need food and water.
Each yeast is made up of just one cell. Some types of yeast cells are round. Other yeast cells have a long, thin shape.
A snowman is not a living thing.
A snowman does not have all the traits of a living thing. It is shaped like a person. But it does not need food.
A swing set is not a living thing.
Swing sets do not have all of the traits of living things. They do not grow or respond to their environment. They do not need food or water.
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TheMrguiller/ScienceQA
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Question: [QUESTION]Using only these supplies, which question can Sofia investigate with an experiment?
Solution:
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TheMrguiller/ScienceQA
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Question: [QUESTION]What is the capital of Oregon?
Solution: Salem is the capital of Oregon.
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TheMrguiller/ScienceQA
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Question: [QUESTION]What is the capital of Mississippi?
Solution: Jackson is the capital of Mississippi.
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TheMrguiller/ScienceQA
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Question: [QUESTION]Which figure of speech is used in this text?
Juan's room is as tidy as an overgrown garden.
Solution: The text uses verbal irony, which involves saying one thing but implying something very different.
As tidy as an overgrown garden shows verbal irony because an overgrown garden is not tidy.
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TheMrguiller/ScienceQA
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Question: [QUESTION]Is dish soap a solid, a liquid, or a gas?
Solution: Dish soap is a liquid. A liquid takes the shape of any container it is in.
If you pour dish soap out of a bottle, the dish soap will change shape. But the dish soap will still take up the same amount of space.
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TheMrguiller/ScienceQA
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Question: [QUESTION]What information supports the conclusion that Vicky inherited this trait?
Solution:
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TheMrguiller/ScienceQA
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Question: [QUESTION]How long is a basketball court?
Solution: The better estimate for the length of a basketball court is 29 meters.
29 centimeters is too short.
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TheMrguiller/ScienceQA
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Question: [QUESTION]Which months have average temperatures of 30°C or higher in Dubai?
Solution: To describe the average temperature trends in Dubai, look at the graph.
Choice "May" is incorrect.
Choice "Jul" is incorrect.
Choice "Sep" is incorrect.
Choice "Nov" is incorrect.
Choice "Jan" is incorrect.
The average temperatures in May, June, July, August, and September are all 30°C or higher. So, May through September have average temperatures of 30°C or higher.
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TheMrguiller/ScienceQA
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Question: [QUESTION]Which text uses the word literally in its traditional sense?
Solution: The second text uses literally in its traditional sense: in a factual, non-exaggerated way.
Desmond's new kitten—barely three weeks old—was literally the size of a softball; it could just about fit in the palm of his hand.
The first text uses literally in its nontraditional sense: nearly or in effect (often exaggerated). Desmond's new kitten is not actually just a ball of fluff.
Desmond's new kitten—barely three weeks old—was literally just a ball of fluff in the palm of his hand.
Most style guides recommend to avoid using the nontraditional sense of the word literally because it is generally considered incorrect.
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TheMrguiller/ScienceQA
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Question: [QUESTION]Which figure of speech is used in this text?
There was a clear consensus in the Vance family that they should put their dog to sleep, rather than let him continue to suffer.
Solution: The text uses a euphemism, a polite or indirect expression that is used to de-emphasize an unpleasant topic.
Put their dog to sleep is a more indirect way of saying have the veterinarian kill their dog.
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TheMrguiller/ScienceQA
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Question: [QUESTION]Select the elementary substance.
Solution: Look at the chemical formula for each substance, and count the number of symbols in the formula. Then, decide if the substance is an elementary substance. The chemical formula for sulfur dioxide contains two symbols: S for sulfur and O for oxygen. So, sulfur dioxide is made of two chemical elements bonded together. Substances that are made of two or more chemical elements bonded together are compounds. So, sulfur dioxide is a compound, not an elementary substance. The chemical formula for fluoromethanol contains four symbols: C for carbon, H for hydrogen, F for fluorine, and O for oxygen. So, fluoromethanol is made of four chemical elements bonded together. Substances that are made of two or more chemical elements bonded together are compounds. So, fluoromethanol is a compound, not an elementary substance. The chemical formula for neon contains one symbol: Ne. So, neon is made of one chemical element. Substances that are made of one chemical element are elementary substances. So, neon is an elementary substance.
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TheMrguiller/ScienceQA
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Question: [QUESTION]Choose the poem that uses end rhyme.
Solution: This poem uses end rhyme. Its rhymes come at the end of its lines.
Toward her people from foreign wrong:
Live in the colors to stand or fall.
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TheMrguiller/ScienceQA
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Question: [QUESTION]Is dolostone a mineral or a rock?
Solution: The properties of dolostone match the properties of a rock. So, dolostone is a rock.
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TheMrguiller/ScienceQA
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Question: [QUESTION]What do these two changes have in common?
rust forming on a bicycle frame
grilling a hamburger
Solution: Step 1: Think about each change.
Rust forming on a bicycle frame is a chemical change. Oxygen in the air reacts with iron in the bicycle frame. The outside of the frame turns into a different type of matter called rust. Rust is reddish-brown and falls apart easily.
Grilling a hamburger is a chemical change. Heat from the grill causes the matter in the meat to change. Cooked meat and raw meat are different types of matter.
Step 2: Look at each answer choice.
Both are only physical changes.
Both changes are chemical changes. They are not physical changes.
Both are chemical changes.
Both changes are chemical changes. The type of matter before and after each change is different.
Both are caused by heating.
Cooking a hamburger is caused by heating. But rust forming on a bicycle frame is not.
Both are caused by cooling.
Neither change is caused by cooling.
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TheMrguiller/ScienceQA
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Question: [QUESTION]Is a skull a mineral?
Solution: A skull does not have all the properties of a mineral. So, a skull is not a mineral.
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TheMrguiller/ScienceQA
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Question: [QUESTION]Based on this information, what is Hachiko's genotype for the fur color gene?
Solution: An organism's genotype for a gene is its combination of alleles for that gene. Hachiko has two alleles for brown fur (f). So, Hachiko's genotype for the fur color gene is ff.
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TheMrguiller/ScienceQA
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Question: [QUESTION]What type of rock is tillite?
Solution: Tillite is a sedimentary rock. Like other sedimentary rocks, it forms from layers of sediment.
Material that is eroded in nature is called sediment. Till is a type of sediment made up of grains of various sizes, from mud to boulders. Over time, layers of till can build up in places like the mouth of a glacier. The top layers press down on the bottom layers, squeezing out water and air. Tillite forms when the bottom layers of till are pressed together to form rock.
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TheMrguiller/ScienceQA
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Question: [QUESTION]Which text uses the word factoid in its traditional sense?
Solution: The first text uses factoid in its traditional sense: something made up presented as a true fact.
As a geneticist, Denise dislikes many popular sci-fi movies because they often present audiences with factoids that misrepresent her field.
The second text uses factoid in its nontraditional sense: a trivial but true fact.
As a geneticist, Denise enjoys watching science documentaries and sharing various factoids she's learned with her colleagues.
Most style guides recommend to use the traditional sense of the word factoid because it is considered more standard.
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TheMrguiller/ScienceQA
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Question: [QUESTION]Would you find the word wardrobe on a dictionary page with the following guide words?
wharf - wisdom
Solution: Put the words in alphabetical order.
Since wardrobe is not between the guide words wharf - wisdom, it would not be found on that page.
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TheMrguiller/ScienceQA
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Question: [QUESTION]Think about the magnetic force between the magnets in each pair. Which of the following statements is true?
Solution: The magnets in Pair 1 attract. The magnets in Pair 2 repel. But whether the magnets attract or repel affects only the direction of the magnetic force. It does not affect the magnitude of the magnetic force.
Both magnet sizes and distance affect the magnitude of the magnetic force. The sizes of the magnets in Pair 1 are the same as in Pair 2. The distance between the magnets is also the same.
So, the magnitude of the magnetic force is the same in both pairs.
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TheMrguiller/ScienceQA
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Question: [QUESTION]Which animal's skin is also adapted for survival in cold places?
Solution: Look at the picture of the Eurasian lynx.
During the winter, the Eurasian lynx has thick fur covering its skin. Its skin is adapted for survival in cold places. The Eurasian lynx uses its fur to keep warm in cold weather.
Now look at each animal. Figure out which animal has a similar adaptation.
The polar bear has skin with thick fur on top and a thick layer of fat underneath it. Its skin is adapted for survival in cold places.
The armadillo lizard has scales covering much of its skin. Its skin is not adapted for survival in cold places.
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TheMrguiller/ScienceQA
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Question: [QUESTION]Complete the sentence.
The word "antebellum" means ().
Solution: Look at the underlined parts of the table.
All the words that use the root "ante" mean to come before something else. So, the root ante means "before."
All the words that use the root "bellum" mean to fight or cause war.So, the root bellum means "war."
So, the word "antebellum" means "before the war." The antebellum period is named for the war that followed it: the Civil War.
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TheMrguiller/ScienceQA
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Question: [QUESTION]Suppose Brittany decides to plant the maple tree. Which result would be a cost?
Solution: This result is a cost. It involves giving up or spending something that Brittany wants or needs:
The maple tree will use up more space than the poppies would have used up.
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TheMrguiller/ScienceQA
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Question: [QUESTION]What is the capital of Arizona?
Solution: Phoenix is the capital of Arizona.
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TheMrguiller/ScienceQA
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Question: [QUESTION]Which letter opening is more formal?
Solution: The second letter opening is more formal. It uses the recipient's personal title and last name. The other opening uses the recipient's first name, suggesting a more familiar relationship.
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TheMrguiller/ScienceQA
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Question: [QUESTION]What do these two changes have in common?
cutting your fingernails
stretching a rubber band
Solution: Step 1: Think about each change.
Cutting your fingernails is a physical change. Your fingernails are shorter after you cut them. But the pieces are still made of the same type of matter as the uncut fingernails.
Stretching a rubber band is a physical change. The rubber band gets longer. But it is still made of the same type of matter as before.
Step 2: Look at each answer choice.
Both are only physical changes.
Both changes are physical changes. No new matter is created.
Both are chemical changes.
Both changes are physical changes. They are not chemical changes.
Both are caused by heating.
Neither change is caused by heating.
Both are caused by cooling.
Neither change is caused by cooling.
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TheMrguiller/ScienceQA
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Question: [QUESTION]Is a purse a good or a service?
Solution: To decide whether a purse is a good or a service, ask these questions:
Is a purse something you can touch? Yes.
Is a purse a job you might pay someone else to do? No.
So, a purse is a good.
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TheMrguiller/ScienceQA
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Question: [QUESTION]Is the following trait inherited or acquired?
Franco has a scar on his left elbow.
Solution: Children do not inherit their parent's scars. Instead, scars are caused by the environment. People can get scars after they get hurt. So, having a scar is an acquired trait.
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TheMrguiller/ScienceQA
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Question: [QUESTION]How long is a paintbrush?
Solution: The best estimate for the length of a paintbrush is 26 centimeters.
26 millimeters is too short. 26 meters and 26 kilometers are too long.
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TheMrguiller/ScienceQA
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Question: [QUESTION]Think about the magnetic force between the magnets in each pair. Which of the following statements is true?
Solution: Both magnet sizes and distance affect the magnitude of the magnetic force. The sizes of the magnets in Pair 1 are the same as in Pair 2. The distance between the magnets is also the same.
So, the magnitude of the magnetic force is the same in both pairs.
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TheMrguiller/ScienceQA
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Question: [QUESTION]Select the invertebrate.
Solution: A common toad is an amphibian. Like other amphibians, a common toad is a vertebrate. It has a backbone.
A beluga whale is a mammal. Like other mammals, a beluga whale is a vertebrate. It has a backbone.
A hissing cockroach is an insect. Like other insects, a hissing cockroach is an invertebrate. It does not have a backbone. It has an exoskeleton.
A common ostrich is a bird. Like other birds, a common ostrich is a vertebrate. It has a backbone.
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TheMrguiller/ScienceQA
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Question: [QUESTION]How long is a hammer?
Solution: The better estimate for the length of a hammer is 25 centimeters.
25 meters is too long.
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TheMrguiller/ScienceQA
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Question: [QUESTION]Complete the statement.
Rubidium chloride is ().
Solution: Use the model to determine whether rubidium chloride is an elementary substance or a compound.
Step 1: Interpret the model.
.
Use the legend to determine the chemical element represented by each color. The colors and atomic symbols from the legend are shown in the table below. The table also includes the names of the chemical elements represented in the model.
You can see from the model that rubidium chloride is composed of chlorine atoms and rubidium atoms bonded together.
Step 2: Determine whether the substance is an elementary substance or a compound.
You know from Step 1 that rubidium chloride is composed of two chemical elements: chlorine and rubidium. Since rubidium chloride is composed of multiple chemical elements bonded together, rubidium chloride is a compound.
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TheMrguiller/ScienceQA
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Question: [QUESTION]Which is a complete sentence?
Solution: Over the summer, my cousin Debbie visited many times is a complete sentence. The subject is my cousin Debbie, and the verb is visited.
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TheMrguiller/ScienceQA
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Question: [QUESTION]Which object has the least thermal energy?
Solution: All three blueberry muffins have the same mass but different temperatures. Since the 23°C muffin is the coldest, it has the least thermal energy.
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TheMrguiller/ScienceQA
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Question: [QUESTION]What is the expected ratio of offspring with a dwarf body to offspring with a normal-sized body? Choose the most likely ratio.
Solution: To determine how many boxes in the Punnett square represent offspring with a dwarf body or a normal-sized body, consider whether each phenotype is the dominant or recessive allele's version of the body size trait. The question tells you that the B allele, which is for a normal-sized body, is dominant over the b allele, which is for a dwarf body.
A dwarf body is the recessive allele's version of the body size trait. A rat with the recessive version of the body size trait must have only recessive alleles for the body size gene. So, offspring with a dwarf body must have the genotype bb.
There are 0 boxes in the Punnett square with the genotype bb.
A normal-sized body is the dominant allele's version of the body size trait. A rat with the dominant version of the body size trait must have at least one dominant allele for the body size gene. So, offspring with a normal-sized body must have the genotype BB or Bb.
All 4 boxes in the Punnett square have the genotype BB or Bb.
So, the expected ratio of offspring with a dwarf body to offspring with a normal-sized body is 0:4. This means that, based on the Punnett square, this cross will never produce offspring with a dwarf body. Instead, this cross is expected to always produce offspring with a normal-sized body.
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TheMrguiller/ScienceQA
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Question: [QUESTION]What can Nate and Lola trade to each get what they want?
Solution: Nate wanted broccoli in his lunch and Lola was hoping for tomatoes. Look at the labeled part of the images.
Nate has tomatoes. Lola has broccoli. They can trade tomatoes for broccoli to both be happier. Trading other things would not help either person get more items they want.
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TheMrguiller/ScienceQA
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Question: [QUESTION]Which material is these jeans made of?
Solution: Look at the picture of the jeans.
The jeans are made of two different materials. The buttons and zipper of the jeans are made of metal. The rest of the jeans are made of cotton.
Jeans are made of a type of cotton fabric called denim. Denim is a fabric woven in a special way.
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TheMrguiller/ScienceQA
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Question: [QUESTION]Which sentence states a fact?
Solution: The first sentence states a fact.
There are four faces on Mount Rushmore.
It can be proved by observing Mount Rushmore.
The second sentence states an opinion.
Mount Rushmore is too difficult to travel to.
Difficult shows what a person believes, thinks, or feels. Another person might have a different opinion about how difficult is too difficult.
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TheMrguiller/ScienceQA
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