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Question: [QUESTION]Which is the most flexible?
Solution: Flexible is a property. A flexible material can be bent without breaking easily.
Look at each picture, one at a time. Imagine bending the material shown in each picture.
Of the choices, the cotton shirt is the most flexible. If you fold cotton fabric, it will not break.
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TheMrguiller/ScienceQA
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Question: [QUESTION]Which property do these three objects have in common?
Solution: Look at each object.
For each object, decide if it has that property.
A translucent object lets light through. But you cannot see clearly through a translucent object. None of the objects are translucent.
A fragile object will break into pieces if you drop it. None of the objects are fragile.
An opaque object does not let light through. All three objects are opaque.
The property that all three objects have in common is opaque.
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TheMrguiller/ScienceQA
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Question: [QUESTION]What is the capital of Idaho?
Solution: Boise is the capital of Idaho.
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TheMrguiller/ScienceQA
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Question: [QUESTION]In this food chain, the midge larva is a consumer. Why?
Solution: In this food chain, the midge larva is a consumer because it eats another living thing. The midge larva in this food chain eats the diatom.
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TheMrguiller/ScienceQA
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Question: [QUESTION]Which solution has a higher concentration of yellow particles?
Solution: In Solution A and Solution B, the yellow particles represent the solute. To figure out which solution has a higher concentration of yellow particles, look at both the number of yellow particles and the volume of the solvent in each container.
Use the concentration formula to find the number of yellow particles per milliliter.
Solution A has more yellow particles per milliliter. So, Solution A has a higher concentration of yellow particles.
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TheMrguiller/ScienceQA
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Question: [QUESTION]What is the volume of a test tube?
Solution: The better estimate for the volume of a test tube is 20 milliliters.
20 liters is too much.
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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]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 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.
The curry that the chef prepared was so spicy that Victor literally had to drink three glasses of milk to ease the pain.
The first text uses literally in its nontraditional sense: nearly or in effect (often exaggerated). Victor's mouth may be in pain, but it is not actually on fire.
The curry that the chef prepared was so spicy that Victor's mouth was literally on fire by the time he finished his meal.
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 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 were the British trying to do at the Battle of Bunker Hill?
Solution: At the Battle of Bunker Hill, the British were trying to capture the hills of Charlestown. The orange arrows on the map show where the British attacked the hills. The Patriots were trying to defend the hills from the British.
The other choices are not correct:
The map shows that the defenses on Breed's Hill belonged to the Patriots, not the British.
The orange arrows on the map show the British attacking the hills in Charlestown, not escaping them.
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TheMrguiller/ScienceQA
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Question: [QUESTION]Which body part takes air into the body?
Solution:
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TheMrguiller/ScienceQA
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Question: [QUESTION]Which property matches this object?
Solution: Look at the object.
Think about each property.
A hard object keeps its shape when you squeeze it. The slippers are not hard.
Blue is a color.
This color is blue. The slippers are blue.
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TheMrguiller/ScienceQA
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Question: [QUESTION]Is this a run-on sentence?
Lasagna is a delicious comfort food, it can be made healthier with the addition of vegetables such as mushrooms and kale.
Solution: This is a run-on sentence. It is a comma splice formed from two sentences run together, joined by just a comma.
Lasagna is a delicious comfort food, it can be made healthier with the addition of vegetables such as mushrooms and kale.
Here is one way to fix the run-on sentence:
Lasagna is a delicious comfort food, but it can be made healthier with the addition of vegetables such as mushrooms and kale.
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TheMrguiller/ScienceQA
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Question: [QUESTION]Complete the sentence so that it uses personification.
The butterflies flitted from flower to flower, ().
Solution: Complete the sentence with the phrase playing hide-and-seek. It describes the butterflies as if they were playful children.
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TheMrguiller/ScienceQA
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Question: [QUESTION]Does Daphnia pulex have cells that have a nucleus?
Solution: Daphnia pulex is an animal. Animal cells have a nucleus.
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TheMrguiller/ScienceQA
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Question: [QUESTION]Is a bicycle a good or a service?
Solution: To decide whether a bicycle is a good or a service, ask these questions:
Is a bicycle something you can touch? Yes.
Is a bicycle a job you might pay someone else to do? No.
So, a bicycle is a good.
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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]What is the capital of Virginia?
Solution: Richmond is the capital of Virginia.
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TheMrguiller/ScienceQA
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Question: [QUESTION]What is the volume of a ketchup packet?
Solution: The better estimate for the volume of a ketchup packet is 5 milliliters.
5 liters is too much.
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TheMrguiller/ScienceQA
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Question: [QUESTION]Is the following trait inherited or acquired?
Pete plays soccer.
Solution: People are not born knowing how to play soccer. Instead, some people learn how to play soccer. Playing the sport takes practice. So, playing soccer is an acquired trait.
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TheMrguiller/ScienceQA
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Question: [QUESTION]Which figure of speech is used in this text?
At twenty-one, Ernesto felt overwhelmed with adult responsibilities and wished he could fly off to Neverland.
Solution: The text uses an allusion, a brief reference to someone or something well known.
Neverland alludes to the story of Peter Pan, a boy who lived in Neverland and never grew up.
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TheMrguiller/ScienceQA
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Question: [QUESTION]Compare the motion of three ducks. Which duck was moving at the lowest speed?
Solution: Look at the distance each duck moved and the time it took to move that distance. The direction each duck moved does not affect its speed.
Notice that each duck moved for 5 hours. The duck that moved 320 kilometers moved the shortest distance in that time. So, that duck must have moved at the lowest speed.
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TheMrguiller/ScienceQA
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Question: [QUESTION]Suppose Myra decides to take a trip to Minnesota. Which result would be a cost?
Solution: This result is a cost. It involves giving up or spending something that Myra wants or needs:
Myra will spend more money. Plane tickets for Myra to get to Minnesota are more expensive than tickets to New Jersey.
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TheMrguiller/ScienceQA
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Question: [QUESTION]Which solution has a higher concentration of purple particles?
Solution: In Solution A and Solution B, the purple particles represent the solute. To figure out which solution has a higher concentration of purple particles, look at both the number of purple particles and the volume of the solvent in each container.
Use the concentration formula to find the number of purple particles per milliliter.
Solution A has more purple particles per milliliter. So, Solution A has a higher concentration of purple particles.
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TheMrguiller/ScienceQA
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Question: [QUESTION]Complete the statement.
Trichlorofluoromethane is ().
Solution: You can tell whether trichlorofluoromethane is an elementary substance or a compound by counting the number of atomic symbols in its chemical formula. An atomic symbol consists of either one capital letter or a capital letter followed by one or two lowercase letters.
The chemical formula for trichlorofluoromethane, CCl3 F, contains three atomic symbols: C for carbon, Cl for chlorine, and F for fluorine. So, the formula tells you that trichlorofluoromethane is composed of three chemical elements bonded together.
Since trichlorofluoromethane is composed of multiple chemical elements bonded together, trichlorofluoromethane is a compound.
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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.
The curry that the chef prepared was so spicy that Richard literally had to drink three glasses of milk to ease the pain.
The first text uses literally in its nontraditional sense: nearly or in effect (often exaggerated). Richard's mouth may be in pain, but it is not actually on fire.
The curry that the chef prepared was so spicy that Richard's mouth was literally on fire by the time he finished his meal.
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 of these states is farthest east?
Solution: To find the answer, look at the compass rose. Look at which way the east arrow is pointing. Florida is farthest east.
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TheMrguiller/ScienceQA
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Question: [QUESTION]What is the capital of Montana?
Solution: Helena is the capital of Montana.
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TheMrguiller/ScienceQA
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Question: [QUESTION]Suppose Dana decides to make egg drop soup. Which result would be a cost?
Solution: This result is a cost. It involves giving up or spending something that Dana wants or needs:
Dana will spend more time making the egg drop soup than she would have spent making the chicken soup.
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TheMrguiller/ScienceQA
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Question: [QUESTION]Using only these supplies, which question can Emmy investigate with an experiment?
Solution:
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TheMrguiller/ScienceQA
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Question: [QUESTION]Which is a sentence fragment?
Solution: Cleaned the cabin for Mrs. Kline's family is a sentence fragment. It is missing a subject.
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TheMrguiller/ScienceQA
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Question: [QUESTION]Is the following trait inherited or acquired?
Ryan has a scar on his right knee.
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]Which is the main persuasive appeal used in this ad?
Solution: The ad appeals to ethos, or character. It notes that the product is recommended by real people (online reviewers).
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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 breakable object will break into pieces if you drop it. Both objects are breakable.
Yellow is a color.
This color is yellow. Neither of the objects are yellow.
The property that both objects have in common is breakable.
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TheMrguiller/ScienceQA
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Question: [QUESTION]Is the following trait inherited or acquired?
Darell can ride a motorcycle.
Solution: People are not born knowing how to ride a motorcycle. Instead, many people learn how to ride. So, riding a motorcycle is an acquired trait.
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TheMrguiller/ScienceQA
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Question: [QUESTION]Which type of sentence is this?
The production of a single pound of honey requires nectar from approximately two million flowers.
Solution: The sentence is simple. It is a single independent clause.
The production of a single pound of honey requires nectar from approximately two million flowers.
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TheMrguiller/ScienceQA
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Question: [QUESTION]Complete the statement.
Potassium hydroxide is ().
Solution: You can tell whether potassium hydroxide is an elementary substance or a compound by counting the number of atomic symbols in its chemical formula. An atomic symbol consists of either one capital letter or a capital letter followed by one or two lowercase letters.
The chemical formula for potassium hydroxide, KOH, contains three atomic symbols: K for potassium, O for oxygen, and H for hydrogen. So, the formula tells you that potassium hydroxide is composed of three chemical elements bonded together.
Since potassium hydroxide is composed of multiple chemical elements bonded together, potassium hydroxide is a compound.
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TheMrguiller/ScienceQA
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Question: [QUESTION]Which property matches this object?
Solution: Look at the object.
Think about each property.
A shiny object reflects a lot of light. The silver ring is shiny.
Yellow is a color.
This color is yellow. The silver ring is not yellow.
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TheMrguiller/ScienceQA
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Question: [QUESTION]Which of the following organisms is the tertiary consumer in this food web?
Solution: Tertiary consumers eat secondary consumers. So, in a food web, tertiary consumers have arrows pointing to them from secondary consumers. Secondary consumers have arrows pointing to them from primary consumers. And primary consumers have arrows pointing to them from producers.
The kelp bass has arrows pointing to it from the plainfin midshipman and the black rockfish. The plainfin midshipman and the black rockfish are secondary consumers, so the kelp bass is a tertiary consumer.
The phytoplankton does not have any arrows pointing to it. So, the phytoplankton is not a tertiary consumer.
The black rockfish has an arrow pointing to it from the zooplankton. The zooplankton is not a secondary consumer. So, the black rockfish is not a tertiary consumer.
The sea otter has an arrow pointing to it from the sea urchin. The sea urchin is not a secondary consumer. So, the sea otter is not a tertiary consumer.
The orca has an arrow pointing to it from the sea otter. The sea otter is a secondary consumer, so the orca is a tertiary consumer.
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TheMrguiller/ScienceQA
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Question: [QUESTION]Complete the text to describe the diagram.
Solute particles moved in both directions across the permeable membrane. But more solute particles moved across the membrane (). When there was an equal concentration on both sides, the particles reached equilibrium.
Solution: Look at the diagram again. It shows you how the solution changed during the process of diffusion.
Before the solute particles reached equilibrium, there were 3 solute particles on the left side of the membrane and 5 solute particles on the right side of the membrane.
When the solute particles reached equilibrium, there were 4 solute particles on each side of the membrane. There was 1 more solute particle on the left side of the membrane than before.
So, for the solute particles to reach equilibrium, more solute particles must have moved across the membrane to the left than to the right.
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TheMrguiller/ScienceQA
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Question: [QUESTION]What is the capital of Wisconsin?
Solution: Madison is the capital of Wisconsin.
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TheMrguiller/ScienceQA
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Question: [QUESTION]Select the fish.
Solution: An American toad is an amphibian. It has moist skin and begins its life in water.
Toads do not have teeth! They swallow their food whole.
A giant moray is a fish. It lives underwater. It has fins, not limbs.
Eels are long and thin. They may have small fins. They look like snakes, but they are fish!
A cobra is a reptile. It has scaly, waterproof skin.
Most cobras have a wide, flat hood below their head. A cobra can display its hood to scare away a predator.
A wombat is a mammal. It has fur and feeds its young milk.
Wombats have strong claws on their front feet. They use their claws to dig underground holes called burrows.
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TheMrguiller/ScienceQA
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Question: [QUESTION]Which figure of speech is used in this text?
Preston's '64 Impala groaned as he turned the ignition. Yet again he resolved to refurbish it over the summer.
Solution: The text uses personification, giving human characteristics to nonhuman things.
Preston's '64 Impala groaned describes the car as if it were human.
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TheMrguiller/ScienceQA
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Question: [QUESTION]Complete the sentence.
A piece of pizza rotting in a trashcan is a ().
Solution: A piece of pizza rotting is a chemical change. The matter in the pizza breaks down and slowly turns into a different type of matter.
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TheMrguiller/ScienceQA
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Question: [QUESTION]What does the idiom in this text suggest?
In such an unfamiliar environment, Nick was a fish out of water.
Solution: The text uses an idiom, an expression that cannot be understood literally.
The idiom a fish out of water suggests that Nick felt out of place. A fish out of water is someone out of his or her usual, comfortable environment.
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TheMrguiller/ScienceQA
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Question: [QUESTION]Does this passage describe the weather or the climate?
On average, the coldest month in Hof, Iceland, is January.
Solution: Read the text carefully.
On average, the coldest month in Hof, Iceland, is January.
This passage tells you about the usual temperature pattern in Hof. It does not describe what the weather is like on a particular day. So, this passage describes the climate.
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TheMrguiller/ScienceQA
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Question: [QUESTION]Which better describes the Gran Sabana ecosystem?
Solution: A savanna grassland is a type of ecosystem. Savanna grasslands have the following features: warm summers and warm winters, a rainy season and a dry season, and soil that is poor in nutrients. So, the Gran Sabana has a rainy season and a dry season. It also has warm summers.
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TheMrguiller/ScienceQA
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Question: [QUESTION]Which of these states is farthest west?
Solution: To find the answer, look at the compass rose. Look at which way the west arrow is pointing. Nevada is farthest west.
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TheMrguiller/ScienceQA
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Question: [QUESTION]Which property do these three objects have in common?
Solution: Look at each object.
For each object, decide if it has that property.
A soft object changes shape when pressed or squeezed. The cracker and the potato chips are not soft.
Potato chips have a salty taste. All three objects are salty.
A slippery object is hard to hold onto or stand on. The cracker and the potato chips are not slippery.
The property that all three objects have in common is salty.
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TheMrguiller/ScienceQA
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Question: [QUESTION]Select the reptile below.
Solution: A box turtle is a reptile. It has scaly, waterproof skin.
A cane toad is an amphibian. It has moist skin and begins its life in water.
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TheMrguiller/ScienceQA
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Question: [QUESTION]Which country is highlighted?
Solution: This country is the Federated States of Micronesia.
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TheMrguiller/ScienceQA
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Question: [QUESTION]Select the one true statement.
Solution:
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TheMrguiller/ScienceQA
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Question: [QUESTION]What is the name of the colony shown?
Solution: The colony is Maryland.
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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?
tailor - torpedo
Solution: Put the words in alphabetical order.
Since thrust is between the guide words tailor - torpedo, it would be found on that page.
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TheMrguiller/ScienceQA
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Question: [QUESTION]Last year, canvas shoes were in style. This year, all the fashion magazines are showing leather shoes. What will probably happen to the overall supply of leather shoes over the next year?
Solution: Producers know that consumers like to buy goods that are in style. They expect that leather shoes will be in style this year. So, there is an expected change in demand for leather shoes. Producers want to sell as many pairs of leather shoes as they can. So, the supply of leather shoes will probably go up.
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TheMrguiller/ScienceQA
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Question: [QUESTION]What is the name of the colony shown?
Solution: The colony is South Carolina.
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TheMrguiller/ScienceQA
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Question: [QUESTION]Identify the question that Florence's experiment can best answer.
Solution:
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TheMrguiller/ScienceQA
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Question: [QUESTION]Would you find the word wild on a dictionary page with the following guide words?
well - word
Solution: Put the words in alphabetical order.
Since wild is between the guide words well - word, it would be found on that page.
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TheMrguiller/ScienceQA
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Question: [QUESTION]How long is a raisin?
Solution: The best estimate for the length of a raisin is 10 millimeters.
10 centimeters, 10 meters, and 10 kilometers are all too long.
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TheMrguiller/ScienceQA
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Question: [QUESTION]What information supports the conclusion that Jordan acquired this trait?
Solution:
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TheMrguiller/ScienceQA
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Question: [QUESTION]Is a crown a solid, a liquid, or a gas?
Solution: A crown is a solid. A solid has a size and shape of its own.
If you put a crown on your head, the crown will keep its shape.
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TheMrguiller/ScienceQA
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Question: [QUESTION]Which sentence is more formal?
Solution: The first sentence is less formal. You can tell because it uses overly simple or imprecise language (has, a bunch of).
The second sentence uses more precise language, so it is more formal overall.
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TheMrguiller/ScienceQA
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Question: [QUESTION]What is the expected ratio of offspring that have Thomsen disease to offspring that do not have Thomsen disease? Choose the most likely ratio.
Solution: To determine how many boxes in the Punnett square represent offspring that do or do not have Thomsen disease, consider whether each phenotype is the dominant or recessive allele's version of the Thomsen disease trait. The question tells you that the m allele, which is for not having Thomsen disease, is recessive to the M allele, which is for having Thomsen disease.
Having Thomsen disease is the dominant allele's version of the Thomsen disease trait. A human with the dominant version of the Thomsen disease trait must have at least one dominant allele for the Thomsen disease gene. So, offspring that have Thomsen disease must have the genotype MM or Mm.
There are 2 boxes in the Punnett square with the genotype MM or Mm. These boxes are highlighted below.
Not having Thomsen disease is the recessive allele's version of the Thomsen disease trait. A human with the recessive version of the Thomsen disease trait must have only recessive alleles for the Thomsen disease gene. So, offspring that do not have Thomsen disease must have the genotype mm.
There are 2 boxes in the Punnett square with the genotype mm. These boxes are highlighted below.
So, the expected ratio of offspring that have Thomsen disease to offspring that do not have Thomsen disease is 2:2. This means that, on average, this cross will produce 2 offspring that have Thomsen disease for every 2 offspring that do not have Thomsen disease.
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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 B has more mass than each particle in sample A. The particles in sample B also have a higher average speed than the particles 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 animal's limbs are also adapted for swimming?
Solution: Look at the picture of the sea turtle.
The sea turtle uses its flippers to push itself through water. The flippers can also help it change direction while swimming.
Now look at each animal. Figure out which animal has a similar adaptation.
The Galapagos sea lion has flippers. Its limbs are adapted for swimming.
The giraffe has long, thin legs. Its limbs are not adapted for swimming. The giraffe uses its limbs for walking and running.
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TheMrguiller/ScienceQA
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Question: [QUESTION]What is the capital of Washington?
Solution: Olympia is the capital of Washington.
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TheMrguiller/ScienceQA
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Question: [QUESTION]Which is this organism's common name?
Solution: Castor canadensis is written in italics. The first word is capitalized, and the second word is not. So, it is the scientific name.
Castor canadensis is the organism's scientific name. So, you know that North American beaver is the common name.
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TheMrguiller/ScienceQA
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Question: [QUESTION]The city of Fairview has been one of the world's biggest makers of cough drops for many years. But last month, Fairview's cough drop factories were destroyed by floods. What will probably happen to the overall supply of cough drops?
Solution: Floods destroyed the cough drop factories in Fairview. The number of producers of cough drops went down. So, the supply of cough drops will probably go down.
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TheMrguiller/ScienceQA
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Question: [QUESTION]Was there a surplus or a shortage of videogames?
Solution: At the current price, there were not enough copies of the videogame for sale. There were 100 copies for sale, but 150 people wanted to buy one.
So, there was a shortage of copies.
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TheMrguiller/ScienceQA
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Question: [QUESTION]Which of these states is farthest west?
Solution: To find the answer, look at the compass rose. Look at which way the west arrow is pointing. North Dakota is farthest west.
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TheMrguiller/ScienceQA
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Question: [QUESTION]Which country is highlighted?
Solution: This country is Saint Lucia.
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TheMrguiller/ScienceQA
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Question: [QUESTION]Select the organism in the same genus as the salt marsh snake.
Solution: A salt marsh snake's scientific name is Nerodia clarkii. The first word of its scientific name is Nerodia.
Nerodia cyclopion is in the genus Nerodia. The first word of its scientific name is Nerodia. So, Nerodia cyclopion and Nerodia clarkii are in the same genus.
Lacerta agilis is in the genus Lacerta. The first word of its scientific name is Lacerta. So, Lacerta agilis and Nerodia clarkii are not in the same genus.
Corallus hortulanus is in the genus Corallus. The first word of its scientific name is Corallus. So, Corallus hortulanus and Nerodia clarkii are not in the same genus.
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TheMrguiller/ScienceQA
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Question: [QUESTION]Which logical fallacy is used in the text?
I don't trust Professor Harper's findings. Another researcher at her university was caught falsifying data. So, it's likely Professor Harper has, too.
Solution: The text argues that Professor Harper's research is untrustworthy because someone else at her university was caught falsifying data. However, this isn't necessarily true. The practices of one researcher at a university do not necessarily reflect the practices of another researcher at the same university. This illustrates a type of logical fallacy known as guilt by association.
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TheMrguiller/ScienceQA
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Question: [QUESTION]Does this passage describe the weather or the climate?
Solution: Read the passage carefully.
Istanbul is on the coast of Turkey, where nighttime temperatures average between 60°F and 70°F each year during June, July, and August.
This passage tells you about the usual temperature pattern in Istanbul. This passage does not describe what the weather is like on a particular day. So, this passage describes the climate.
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TheMrguiller/ScienceQA
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Question: [QUESTION]What is the capital of West Virginia?
Solution: Charleston is the capital of West Virginia.
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TheMrguiller/ScienceQA
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Question: [QUESTION]What can a fern spore grow into?
Solution: After they are released, spores can land on the ground and germinate. When a spore germinates, it grows into a heart-shaped plant.
Mature fern plants grow from fertilized eggs.
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TheMrguiller/ScienceQA
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Question: [QUESTION]What do these two changes have in common?
baking a loaf of bread
burning a candle
Solution: Step 1: Think about each change.
Baking a loaf of bread is a chemical change. The type of matter in the dough changes when it is baked. The dough turns into bread!
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.
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.
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]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 Meg and Florence trade to each get what they want?
Solution: Look at the table and images.
Meg wants broccoli. Florence wants tomatoes. They can trade tomatoes for broccoli to both get what they want. Trading other things would not help both people get more items they want.
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TheMrguiller/ScienceQA
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Question: [QUESTION]Complete the statement. Assume that Herman's mass did not change.
The gravitational potential energy stored between Herman and Earth () as he hiked toward the summit.
Solution: Think about how the distance between Herman and the center of Earth changed.
The summit of the mountain was higher than the point where Herman started hiking. As he hiked toward the summit, the distance between Herman and the center of Earth increased. So, the gravitational potential energy stored between Herman and Earth increased as he hiked toward the summit.
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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?
interior - irrigation
Solution: Put the words in alphabetical order.
Since iodine is between the guide words interior - irrigation, it would be found on that page.
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TheMrguiller/ScienceQA
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Question: [QUESTION]What is the name of the colony shown?
Solution: The colony is New Jersey.
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TheMrguiller/ScienceQA
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Question: [QUESTION]Which logical fallacy is used in the text?
I'm never setting foot in any seafood restaurant again. We just had a ridiculously overpriced dinner at Troy's Seafood Hut, and I have no interest in repeating that experience.
Solution: The text argues that all seafood restaurants are overpriced. However, even though one seafood restaurant was overpriced, that doesn't necessarily mean that all seafood restaurants are overpriced. This illustrates a type of logical fallacy known as a hasty generalization.
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TheMrguiller/ScienceQA
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Question: [QUESTION]What is the capital of New York?
Solution: Albany is the capital of New York.
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TheMrguiller/ScienceQA
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Question: [QUESTION]What do these two changes have in common?
a penny tarnishing
a dinosaur bone turning into rock over millions of years
Solution: Step 1: Think about each change.
Metal turning less shiny over time is called tarnishing. A penny tarnishing is a chemical change. When air touches the penny, the surface of the penny changes into a different type of matter. This matter makes the penny dull.
A dinosaur bone turning into rock is a chemical change. The matter that made up the bone when it was alive begins to break down. Over a long time, a different type of matter starts forming inside small gaps in the bone. The matter is made of minerals from the earth.
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.
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]Select the chemical formula for this molecule.
Solution: H is the symbol for hydrogen. According to the legend, hydrogen atoms are shown in light gray. Cl is the symbol for chlorine. According to the legend, chlorine atoms are shown in green. This ball-and-stick model shows a molecule with one hydrogen atom and one chlorine atom. The chemical formula will contain the symbols H and Cl. There is one hydrogen atom, so H will not have a subscript. There is one chlorine atom, so Cl will not have a subscript. The correct formula is HCl. The diagram below shows how each part of the chemical formula matches with each part of the model above.
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TheMrguiller/ScienceQA
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Question: [QUESTION]Which object has the least thermal energy?
Solution: All three cookies have the same mass but different temperatures. Since the 22°C cookie is the coldest, it has the least thermal energy.
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TheMrguiller/ScienceQA
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Question: [QUESTION]Would you find the word begin on a dictionary page with the following guide words?
balance - blew
Solution: Put the words in alphabetical order.
Since begin is between the guide words balance - blew, it would be found on that page.
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TheMrguiller/ScienceQA
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Question: [QUESTION]Which statement describes the Kaeng Krachan National Park ecosystem?
Solution: A tropical rain forest is a type of ecosystem. Tropical rain forests have the following features: year-round rain and warm temperatures, soil that is poor in nutrients, and many different types of organisms. So, the following statements describe the Kaeng Krachan National Park ecosystem: year-round rain and warm temperatures, soil that is poor in nutrients, and many different types of organisms. It has soil that is poor in nutrients. It has many different types of organisms. The following statement does not describe Kaeng Krachan National Park: year-round rain and warm temperatures, soil that is poor in nutrients, and many different types of organisms. It has mostly small plants.
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TheMrguiller/ScienceQA
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Question: [QUESTION]Using only these supplies, which question can Hunter investigate with an experiment?
Solution:
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TheMrguiller/ScienceQA
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Question: [QUESTION]Complete the statement.
Silane is ().
Solution: Use the model to determine whether silane 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 a molecule of silane is composed of four hydrogen atoms and one silicon atom bonded together.
Step 2: Determine whether the substance is an elementary substance or a compound.
You know from Step 1 that silane is composed of two chemical elements: hydrogen and silicon. Since silane is composed of multiple chemical elements bonded together, silane is a compound.
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TheMrguiller/ScienceQA
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Question: [QUESTION]Which property do these three objects have in common?
Solution: Look at each object.
For each object, decide if it has that property.
Yellow is a color.
This color is yellow. None of the objects are yellow.
You can see clearly through a transparent object. All three objects are transparent.
A fuzzy object is covered in soft hair. None of the objects are fuzzy.
The property that all three objects have in common is transparent.
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TheMrguiller/ScienceQA
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Question: [QUESTION]What is the name of the colony shown?
Solution: The colony is Virginia.
The Virginia Colony included land that would later become part of the state of West Virginia. West Virginia was never its own colony.
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TheMrguiller/ScienceQA
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Question: [QUESTION]Which country is highlighted?
Solution: This country is Dominica.
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TheMrguiller/ScienceQA
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Question: [QUESTION]What kind of sentence is this?
Please let me know how I can be of service.
Solution: The sentence makes a request, so it is an imperative sentence. Here, it ends with a period.
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TheMrguiller/ScienceQA
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Question: [QUESTION]What is the capital of Hawaii?
Solution: Honolulu is the capital of Hawaii.
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TheMrguiller/ScienceQA
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Question: [QUESTION]What is the mass of a cement truck?
Solution: The best estimate for the mass of a cement truck is 24 tons.
24 ounces and 24 pounds are both too light.
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TheMrguiller/ScienceQA
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Question: [QUESTION]Which of the following contains a vague pronoun reference?
Solution: The second answer choice contains a vague pronoun reference. The pronoun she could refer to Mrs. Herman or her friend.
Mrs. Herman told her friend that she needs to exercise on a regular basis and get more sleep in order to have more energy throughout the day.
The first answer choice shows a possible correction for the vague pronoun reference. The text has been rewritten so that the meaning is clear.
Mrs. Herman told her friend to exercise on a regular basis and get more sleep in order to have more energy throughout the day.
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TheMrguiller/ScienceQA
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Question: [QUESTION]What is the name of the colony shown?
Solution: The colony is Connecticut.
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TheMrguiller/ScienceQA
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