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Precipitation and runoff can result in large bodies of what?
[ "drizzle", "erosion", "rain", "storm", "water", "hail", "liquid", "streams" ]
water
Answer the following multiple-choice question. Question: Precipitation and runoff can result in large bodies of what? Options: A. drizzle B. erosion C. rain D. storm E. water F. hail G. liquid H. streams Which option is correct and why?
The correct answer is: water.
What can't light do when hitting a mirror?
[ "adding heat", "refract or absorb.", "It decreases", "reflect", "move to different locations", "direct damage to the lungs", "bounce light back", "show a reflection" ]
refract or absorb.
Answer the following multiple-choice question. Question: What can't light do when hitting a mirror? Options: A. adding heat B. refract or absorb. C. It decreases D. reflect E. move to different locations F. direct damage to the lungs G. bounce light back H. show a reflection Which option is correct and why?
The correct answer is: refract or absorb..
What role do proteins play in a biological reaction?
[ "amino acid chains", "antioxidants", "reverse hormones", "act as catalysts" ]
act as catalysts
Answer the following multiple-choice question. Question: What role do proteins play in a biological reaction? Options: A. amino acid chains B. antioxidants C. reverse hormones D. act as catalysts Which option is correct and why?
The correct answer is: act as catalysts.
Which might you find in a zoo?
[ "a Sunda Colugo", "a Sneezewort", "a sousaphone", "a Picasso" ]
a Sunda Colugo
Answer the following multiple-choice question. Question: Which might you find in a zoo? Options: A. a Sunda Colugo B. a Sneezewort C. a sousaphone D. a Picasso Which option is correct and why?
The correct answer is: a Sunda Colugo.
Deeper and wider rivers alter the constituents carried by what?
[ "rivers", "atmosphere", "mussels", "clouds", "salmon", "moisture", "water", "Frogs." ]
water
Answer the following multiple-choice question. Question: Deeper and wider rivers alter the constituents carried by what? Options: A. rivers B. atmosphere C. mussels D. clouds E. salmon F. moisture G. water H. Frogs. Which option is correct and why?
The correct answer is: water.
what are some animals adjusting to by using sweat?
[ "cool temperatures", "summer", "Winter", "heat", "wind", "tails", "shiver", "body" ]
heat
Answer the following multiple-choice question. Question: what are some animals adjusting to by using sweat? Options: A. cool temperatures B. summer C. Winter D. heat E. wind F. tails G. shiver H. body Which option is correct and why?
The correct answer is: heat.
What is a pair of valence electrons in a bonded atom that does not participate in bonding called?
[ "lone pair", "hostile pair", "opposite pair", "isolated pair" ]
lone pair
Answer the following multiple-choice question. Question: What is a pair of valence electrons in a bonded atom that does not participate in bonding called? Options: A. lone pair B. hostile pair C. opposite pair D. isolated pair Which option is correct and why?
The correct answer is: lone pair.
Carbonic acid decomposes easily at room temperature into carbon dioxide and what else?
[ "helium", "oxygen", "water", "gas" ]
water
Answer the following multiple-choice question. Question: Carbonic acid decomposes easily at room temperature into carbon dioxide and what else? Options: A. helium B. oxygen C. water D. gas Which option is correct and why?
The correct answer is: water.
What do neutral atoms have the same number of?
[ "electrons and protons", "gases and protons", "Measure and electrons", "toxins and protons" ]
electrons and protons
Answer the following multiple-choice question. Question: What do neutral atoms have the same number of? Options: A. electrons and protons B. gases and protons C. Measure and electrons D. toxins and protons Which option is correct and why?
The correct answer is: electrons and protons.
I found an impression of bird's feet in a rock
[ "monkeys carved the footprints into the rock", "the rock is made of soft mud", "a very heavy bird was walking on the rock", "the substance that was walked in became hard after a very long time" ]
the substance that was walked in became hard after a very long time
Answer the following multiple-choice question. Question: I found an impression of bird's feet in a rock Options: A. monkeys carved the footprints into the rock B. the rock is made of soft mud C. a very heavy bird was walking on the rock D. the substance that was walked in became hard after a very long time Which option is correct and why?
The correct answer is: the substance that was walked in became hard after a very long time.
What does salting food do to it?
[ "decrease stamina", "evaporation", "hydration", "Preserves it", "Causes bacteria to spread", "chemical changes", "Causes it to rot", "Cooks it" ]
Preserves it
Answer the following multiple-choice question. Question: What does salting food do to it? Options: A. decrease stamina B. evaporation C. hydration D. Preserves it E. Causes bacteria to spread F. chemical changes G. Causes it to rot H. Cooks it Which option is correct and why?
The correct answer is: Preserves it.
A gasoline lawn mower uses gasoline to get what?
[ "heat energy", "electricity", "forced movement", "to move people", "mechanical motion", "sharp blades", "Something to move", "mechanical degrees" ]
mechanical motion
Answer the following multiple-choice question. Question: A gasoline lawn mower uses gasoline to get what? Options: A. heat energy B. electricity C. forced movement D. to move people E. mechanical motion F. sharp blades G. Something to move H. mechanical degrees Which option is correct and why?
The correct answer is: mechanical motion.
What are global wind patterns caused by?
[ "Global cooling", "electromagnetic energy", "Global warming", "exposure to cold", "Equal radiation absorption", "Greenhouse gasses", "Greenhouse gases", "Unequal radiation absorption" ]
Unequal radiation absorption
Answer the following multiple-choice question. Question: What are global wind patterns caused by? Options: A. Global cooling B. electromagnetic energy C. Global warming D. exposure to cold E. Equal radiation absorption F. Greenhouse gasses G. Greenhouse gases H. Unequal radiation absorption Which option is correct and why?
The correct answer is: Unequal radiation absorption.
Light produced by deep sea animals is used for?
[ "Navigation", "Camouflage", "Sexual Display", "Catching Pray" ]
Catching Pray
Answer the following multiple-choice question. Question: Light produced by deep sea animals is used for? Options: A. Navigation B. Camouflage C. Sexual Display D. Catching Pray Which option is correct and why?
The correct answer is: Catching Pray.
Each lymph organ has a different job in what system?
[ "immune", "circulatory", "nervous", "respiratory" ]
immune
Answer the following multiple-choice question. Question: Each lymph organ has a different job in what system? Options: A. immune B. circulatory C. nervous D. respiratory Which option is correct and why?
The correct answer is: immune.
Which metal is not solid at room temperature?
[ "titanium", "aluminum", "silver", "mercury" ]
mercury
Answer the following multiple-choice question. Question: Which metal is not solid at room temperature? Options: A. titanium B. aluminum C. silver D. mercury Which option is correct and why?
The correct answer is: mercury.
what can be found in moist soil near rivers and streams in tropical regions?
[ "the sun", "bioaerosols", "swamp vegetation", "gravity", "land fish", "primitive amphibians", "peachleaf willow", "Most plants" ]
primitive amphibians
Answer the following multiple-choice question. Question: what can be found in moist soil near rivers and streams in tropical regions? Options: A. the sun B. bioaerosols C. swamp vegetation D. gravity E. land fish F. primitive amphibians G. peachleaf willow H. Most plants Which option is correct and why?
The correct answer is: primitive amphibians.
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What kind of matter can produce sound?
[ "sensory neurons", "all matter", "an object", "only liquids", "mechanical", "only plasma", "only solids", "waves" ]
all matter
Answer the following multiple-choice question. Question: What kind of matter can produce sound? Options: A. sensory neurons B. all matter C. an object D. only liquids E. mechanical F. only plasma G. only solids H. waves Which option is correct and why?
The correct answer is: all matter.
What makes and stores pigments that give petals and fruit their orange and yellow colors?
[ "pores", "sporozoans", "protozoa", "chromoplasts" ]
chromoplasts
Answer the following multiple-choice question. Question: What makes and stores pigments that give petals and fruit their orange and yellow colors? Options: A. pores B. sporozoans C. protozoa D. chromoplasts Which option is correct and why?
The correct answer is: chromoplasts.
What are accessory digestive organs critical for breaking down?
[ "enzymes", "food", "pathogens", "hormones" ]
food
Answer the following multiple-choice question. Question: What are accessory digestive organs critical for breaking down? Options: A. enzymes B. food C. pathogens D. hormones Which option is correct and why?
The correct answer is: food.
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What can completing a circuit give someone?
[ "energy", "quiet", "shock", "warmth", "death", "rodeo", "babies", "neurons" ]
shock
Answer the following multiple-choice question. Question: What can completing a circuit give someone? Options: A. energy B. quiet C. shock D. warmth E. death F. rodeo G. babies H. neurons Which option is correct and why?
The correct answer is: shock.
A circuit is parallel when more than one pathway has flowing what?
[ "ideas", "stocks", "water", "zapping energy" ]
zapping energy
Answer the following multiple-choice question. Question: A circuit is parallel when more than one pathway has flowing what? Options: A. ideas B. stocks C. water D. zapping energy Which option is correct and why?
The correct answer is: zapping energy.
What can be used to make fuel?
[ "heat energy", "fermentation", "burning coal", "destruction", "prayer", "Wishful thinking", "gasoline", "Chemical energy" ]
fermentation
Answer the following multiple-choice question. Question: What can be used to make fuel? Options: A. heat energy B. fermentation C. burning coal D. destruction E. prayer F. Wishful thinking G. gasoline H. Chemical energy Which option is correct and why?
The correct answer is: fermentation.
What type of animals are known for being playful and frisky?
[ "cows", "snakes", "sea otters", "giant tortoises" ]
sea otters
Answer the following multiple-choice question. Question: What type of animals are known for being playful and frisky? Options: A. cows B. snakes C. sea otters D. giant tortoises Which option is correct and why?
The correct answer is: sea otters.
Cells have multiple repair mechanisms to fix what?
[ "scarce resources", "harmful substances", "damage in DNA", "critical organs", "the skin", "Veins and arteries.", "layers of fat", "heat or cold" ]
damage in DNA
Answer the following multiple-choice question. Question: Cells have multiple repair mechanisms to fix what? Options: A. scarce resources B. harmful substances C. damage in DNA D. critical organs E. the skin F. Veins and arteries. G. layers of fat H. heat or cold Which option is correct and why?
The correct answer is: damage in DNA.
To pass on heat one might
[ "eat food", "hold hands", "time travel", "fart" ]
hold hands
Answer the following multiple-choice question. Question: To pass on heat one might Options: A. eat food B. hold hands C. time travel D. fart Which option is correct and why?
The correct answer is: hold hands.
What cause the rippled surface of the ocean?
[ "earthquakes", "winds", "tides", "waves" ]
waves
Answer the following multiple-choice question. Question: What cause the rippled surface of the ocean? Options: A. earthquakes B. winds C. tides D. waves Which option is correct and why?
The correct answer is: waves.
The mass of an object causes _.
[ "heat is produced", "kinetic energy", "It gets heated up", "a constant impelling force", "a tree falling", "a lot of human deaths", "principals of aerodynamics", "body temperature reduces" ]
a constant impelling force
Answer the following multiple-choice question. Question: The mass of an object causes _. Options: A. heat is produced B. kinetic energy C. It gets heated up D. a constant impelling force E. a tree falling F. a lot of human deaths G. principals of aerodynamics H. body temperature reduces Which option is correct and why?
The correct answer is: a constant impelling force.
A boy smacks another child in the face. The child cries because
[ "it was harmed", "it was sitting", "it was happy", "it was lonely" ]
it was harmed
Answer the following multiple-choice question. Question: A boy smacks another child in the face. The child cries because Options: A. it was harmed B. it was sitting C. it was happy D. it was lonely Which option is correct and why?
The correct answer is: it was harmed.
What comes in coiled strands?
[ "hair", "RNA", "ovum", "dogs", "gene", "poop", "ice", "DNA" ]
DNA
Answer the following multiple-choice question. Question: What comes in coiled strands? Options: A. hair B. RNA C. ovum D. dogs E. gene F. poop G. ice H. DNA Which option is correct and why?
The correct answer is: DNA.
What is plasma made up of?
[ "Protons", "Energy.", "Proteins", "cells", "energy", "Glucose", "hormones", "nutrients" ]
Protons
Answer the following multiple-choice question. Question: What is plasma made up of? Options: A. Protons B. Energy. C. Proteins D. cells E. energy F. Glucose G. hormones H. nutrients Which option is correct and why?
The correct answer is: Protons.
What may live in large colonies and have complex social behaviors?
[ "ducks", "bats", "Birds", "koalas", "elms", "voles", "toads", "bees" ]
bees
Answer the following multiple-choice question. Question: What may live in large colonies and have complex social behaviors? Options: A. ducks B. bats C. Birds D. koalas E. elms F. voles G. toads H. bees Which option is correct and why?
The correct answer is: bees.
What contains an abundance of deoxyribonucleic acid and not much else?
[ "Conifers", "PDAs", "pollen", "anemia", "bacteria", "proteins", "diseases", "viruses" ]
viruses
Answer the following multiple-choice question. Question: What contains an abundance of deoxyribonucleic acid and not much else? Options: A. Conifers B. PDAs C. pollen D. anemia E. bacteria F. proteins G. diseases H. viruses Which option is correct and why?
The correct answer is: viruses.
A piglet was accidentally stepped on. In order to heal up, the piglet is offered
[ "a new toy", "a pet puppy", "slop", "a warm bath" ]
slop
Answer the following multiple-choice question. Question: A piglet was accidentally stepped on. In order to heal up, the piglet is offered Options: A. a new toy B. a pet puppy C. slop D. a warm bath Which option is correct and why?
The correct answer is: slop.
Sea-lilies, sea cucumbers and sea stars fall into what class of organism?
[ "snakes", "mollusks", "crabs", "echinoderms" ]
echinoderms
Answer the following multiple-choice question. Question: Sea-lilies, sea cucumbers and sea stars fall into what class of organism? Options: A. snakes B. mollusks C. crabs D. echinoderms Which option is correct and why?
The correct answer is: echinoderms.
What do cycles of freezing and thawing water cause?
[ "Metling snow", "Mechanical weathering", "the looseness of soil", "fissures of hot, acidic water", "exposure to cold", "Plant growth is reduced", "heat production", "looseness of dirt or compost" ]
Mechanical weathering
Answer the following multiple-choice question. Question: What do cycles of freezing and thawing water cause? Options: A. Metling snow B. Mechanical weathering C. the looseness of soil D. fissures of hot, acidic water E. exposure to cold F. Plant growth is reduced G. heat production H. looseness of dirt or compost Which option is correct and why?
The correct answer is: Mechanical weathering.
Gravity causes what to be pulled down on Mars?
[ "space", "living things", "hydrogen and oxygen", "massless objects", "objects that have mass", "fissures of hot, acidic water", "nothingness", "principals of aerodynamics" ]
objects that have mass
Answer the following multiple-choice question. Question: Gravity causes what to be pulled down on Mars? Options: A. space B. living things C. hydrogen and oxygen D. massless objects E. objects that have mass F. fissures of hot, acidic water G. nothingness H. principals of aerodynamics Which option is correct and why?
The correct answer is: objects that have mass.
A reef is made of
[ "it keeps an organism warm", "salt and water.", "granite", "magnesium", "gastropod shells", "ocean water", "calcium carbonate", "zinc" ]
calcium carbonate
Answer the following multiple-choice question. Question: A reef is made of Options: A. it keeps an organism warm B. salt and water. C. granite D. magnesium E. gastropod shells F. ocean water G. calcium carbonate H. zinc Which option is correct and why?
The correct answer is: calcium carbonate.
_causes harm to living things
[ "Nematoda", "organisms", "stress", "pesticide", "nutrients", "stimuli", "animals", "moisture" ]
stress
Answer the following multiple-choice question. Question: _causes harm to living things Options: A. Nematoda B. organisms C. stress D. pesticide E. nutrients F. stimuli G. animals H. moisture Which option is correct and why?
The correct answer is: stress.
Fetch is one way that what learns how to behave?
[ "Bats", "otters", "Man", "cooking", "dogs", "skating", "humans", "fishing" ]
dogs
Answer the following multiple-choice question. Question: Fetch is one way that what learns how to behave? Options: A. Bats B. otters C. Man D. cooking E. dogs F. skating G. humans H. fishing Which option is correct and why?
The correct answer is: dogs.
What your body looks like and how it functions is something that is
[ "received from one's parents", "passed away from Earth", "passed down from eggs", "passed down from tomorrow" ]
received from one's parents
Answer the following multiple-choice question. Question: What your body looks like and how it functions is something that is Options: A. received from one's parents B. passed away from Earth C. passed down from eggs D. passed down from tomorrow Which option is correct and why?
The correct answer is: received from one's parents.
What causes new traits because of reproduction?
[ "snail", "mutation", "animals", "coded genes", "gene flow", "hormones", "flowers", "insects" ]
mutation
Answer the following multiple-choice question. Question: What causes new traits because of reproduction? Options: A. snail B. mutation C. animals D. coded genes E. gene flow F. hormones G. flowers H. insects Which option is correct and why?
The correct answer is: mutation.
What is a sheet of muscle that spreads across the bottom of the rib cage?
[ "diagram", "thorax", "diaphragm", "cartilage" ]
diaphragm
Answer the following multiple-choice question. Question: What is a sheet of muscle that spreads across the bottom of the rib cage? Options: A. diagram B. thorax C. diaphragm D. cartilage Which option is correct and why?
The correct answer is: diaphragm.
The major fuel for the brain is which carbohydrate?
[ "insulin", "sucrose", "glutamate", "glucose" ]
glucose
Answer the following multiple-choice question. Question: The major fuel for the brain is which carbohydrate? Options: A. insulin B. sucrose C. glutamate D. glucose Which option is correct and why?
The correct answer is: glucose.
Approximately how many weeks does the fetal period last?
[ "10 weeks", "27 weeks", "25 weeks", "30 weeks" ]
30 weeks
Answer the following multiple-choice question. Question: Approximately how many weeks does the fetal period last? Options: A. 10 weeks B. 27 weeks C. 25 weeks D. 30 weeks Which option is correct and why?
The correct answer is: 30 weeks.
What is the major source of water vapor in the atmosphere?
[ "drift", "sea", "streams", "ocean" ]
ocean
Answer the following multiple-choice question. Question: What is the major source of water vapor in the atmosphere? Options: A. drift B. sea C. streams D. ocean Which option is correct and why?
The correct answer is: ocean.
A protein’s shape is determined, most fundamentally, by the sequence of what type of acids?
[ "amino", "acetic", "lactic", "lipids" ]
amino
Answer the following multiple-choice question. Question: A protein’s shape is determined, most fundamentally, by the sequence of what type of acids? Options: A. amino B. acetic C. lactic D. lipids Which option is correct and why?
The correct answer is: amino.
A thermometer would be used to
[ "determine if it is airier", "determine if it is windy", "determine the high tide", "determine if it is hotter in the desert" ]
determine if it is hotter in the desert
Answer the following multiple-choice question. Question: A thermometer would be used to Options: A. determine if it is airier B. determine if it is windy C. determine the high tide D. determine if it is hotter in the desert Which option is correct and why?
The correct answer is: determine if it is hotter in the desert.
What do flowers attract?
[ "sheep", "bushes", "air", "bees", "rain", "the Sun", "Fruits", "plants" ]
bees
Answer the following multiple-choice question. Question: What do flowers attract? Options: A. sheep B. bushes C. air D. bees E. rain F. the Sun G. Fruits H. plants Which option is correct and why?
The correct answer is: bees.
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See evaporation in action by
[ "leaving two mason jars out with different levels of gatorade", "run for city council", "take a walk on the sun", "become a human bug" ]
leaving two mason jars out with different levels of gatorade
Answer the following multiple-choice question. Question: See evaporation in action by Options: A. leaving two mason jars out with different levels of gatorade B. run for city council C. take a walk on the sun D. become a human bug Which option is correct and why?
The correct answer is: leaving two mason jars out with different levels of gatorade.
An example of conservation is avoiding
[ "oil", "sunlight", "fats", "tea" ]
oil
Answer the following multiple-choice question. Question: An example of conservation is avoiding Options: A. oil B. sunlight C. fats D. tea Which option is correct and why?
The correct answer is: oil.
the movement of tectonic plates causes what?
[ "friction", "erosion", "to move people", "climate", "debris flows", "flooding", "Movement", "global warming" ]
debris flows
Answer the following multiple-choice question. Question: the movement of tectonic plates causes what? Options: A. friction B. erosion C. to move people D. climate E. debris flows F. flooding G. Movement H. global warming Which option is correct and why?
The correct answer is: debris flows.
What are the tiny packets of energy the sun gives off called?
[ "electrons", "ions", "photons", "neutrons" ]
photons
Answer the following multiple-choice question. Question: What are the tiny packets of energy the sun gives off called? Options: A. electrons B. ions C. photons D. neutrons Which option is correct and why?
The correct answer is: photons.
What happens when an object is at equilibrium?
[ "It melts", "It remains stationary", "The bending of a ray of light", "It weighs more", "matter vibrating", "It moves quickly", "flow of electrons", "Movement of an air mass" ]
It remains stationary
Answer the following multiple-choice question. Question: What happens when an object is at equilibrium? Options: A. It melts B. It remains stationary C. The bending of a ray of light D. It weighs more E. matter vibrating F. It moves quickly G. flow of electrons H. Movement of an air mass Which option is correct and why?
The correct answer is: It remains stationary.
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Fractures, rickets, and osteoarthritis all affect what part(s) of the body?
[ "bones", "animals", "Heart", "fossils" ]
bones
Answer the following multiple-choice question. Question: Fractures, rickets, and osteoarthritis all affect what part(s) of the body? Options: A. bones B. animals C. Heart D. fossils Which option is correct and why?
The correct answer is: bones.
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What is the force pulling an object downward called?
[ "weight", "density", "momentum", "magnetism" ]
weight
Answer the following multiple-choice question. Question: What is the force pulling an object downward called? Options: A. weight B. density C. momentum D. magnetism Which option is correct and why?
The correct answer is: weight.
The process in which dna is copied is called what?
[ "dna duplication", "dna replication", "dna transfer", "dna splicing" ]
dna replication
Answer the following multiple-choice question. Question: The process in which dna is copied is called what? Options: A. dna duplication B. dna replication C. dna transfer D. dna splicing Which option is correct and why?
The correct answer is: dna replication.
What does a leaf need to do to absorb the most sunlight that it can?
[ "Hide in shade", "Remain small", "Grow very large", "Change colors" ]
Grow very large
Answer the following multiple-choice question. Question: What does a leaf need to do to absorb the most sunlight that it can? Options: A. Hide in shade B. Remain small C. Grow very large D. Change colors Which option is correct and why?
The correct answer is: Grow very large.
What does the movement of air mass over the world's surface cause?
[ "Temperature", "global warming", "colder weather", "local weather changes", "Plant growth is reduced", "earthquakes", "no weather changes", "constant clear weather" ]
local weather changes
Answer the following multiple-choice question. Question: What does the movement of air mass over the world's surface cause? Options: A. Temperature B. global warming C. colder weather D. local weather changes E. Plant growth is reduced F. earthquakes G. no weather changes H. constant clear weather Which option is correct and why?
The correct answer is: local weather changes.
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What harms the respiratory and circulatory systems?
[ "Greenhouse gasses", "burning coal", "inoculation", "incinerated mercury", "fossil fuels", "water vapor", "Sulfur dioxide", "air" ]
incinerated mercury
Answer the following multiple-choice question. Question: What harms the respiratory and circulatory systems? Options: A. Greenhouse gasses B. burning coal C. inoculation D. incinerated mercury E. fossil fuels F. water vapor G. Sulfur dioxide H. air Which option is correct and why?
The correct answer is: incinerated mercury.
An unknown genotype can be determined by observing what, the term for characteristics of the resulting offspring?
[ "chromosonal variations", "clusters", "abnormalities", "phenotypes" ]
phenotypes
Answer the following multiple-choice question. Question: An unknown genotype can be determined by observing what, the term for characteristics of the resulting offspring? Options: A. chromosonal variations B. clusters C. abnormalities D. phenotypes Which option is correct and why?
The correct answer is: phenotypes.
If an island is experiencing a hot summer it is because
[ "of the water", "of the axis", "of the shade", "of glaciers" ]
of the axis
Answer the following multiple-choice question. Question: If an island is experiencing a hot summer it is because Options: A. of the water B. of the axis C. of the shade D. of glaciers Which option is correct and why?
The correct answer is: of the axis.
What product eventually will become human waste?
[ "stars", "unicorns", "black holes", "corn" ]
corn
Answer the following multiple-choice question. Question: What product eventually will become human waste? Options: A. stars B. unicorns C. black holes D. corn Which option is correct and why?
The correct answer is: corn.
What mostly contain the instructions for a single protein?
[ "resistance activities", "Veins and arteries.", "A Greek letter", "sensory neurons", "fur seals", "parasites", "units of heredity", "colors of the spectrum" ]
units of heredity
Answer the following multiple-choice question. Question: What mostly contain the instructions for a single protein? Options: A. resistance activities B. Veins and arteries. C. A Greek letter D. sensory neurons E. fur seals F. parasites G. units of heredity H. colors of the spectrum Which option is correct and why?
The correct answer is: units of heredity.
What happens to the mass number during a nuclear decay process by positron emission?
[ "remains unchanged", "it decreases", "it increases", "it rises" ]
remains unchanged
Answer the following multiple-choice question. Question: What happens to the mass number during a nuclear decay process by positron emission? Options: A. remains unchanged B. it decreases C. it increases D. it rises Which option is correct and why?
The correct answer is: remains unchanged.
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What do plants use to attract pollinators?
[ "Something made from fermented ricce", "Something made primarily of oxygen and nitrogen", "Something that is secreted in a shallow cup.", "Something that grows into the ground", "chain called a polynucleotide", "Something that vaporizes into the air", "Something that grows on a bush", "chemical compound NaCl" ]
Something that is secreted in a shallow cup.
Answer the following multiple-choice question. Question: What do plants use to attract pollinators? Options: A. Something made from fermented ricce B. Something made primarily of oxygen and nitrogen C. Something that is secreted in a shallow cup. D. Something that grows into the ground E. chain called a polynucleotide F. Something that vaporizes into the air G. Something that grows on a bush H. chemical compound NaCl Which option is correct and why?
The correct answer is: Something that is secreted in a shallow cup..
Where would the environment be driest?
[ "the arctic tundra", "the Gobi Desert", "the Salton Sea", "the rain forest" ]
the Gobi Desert
Answer the following multiple-choice question. Question: Where would the environment be driest? Options: A. the arctic tundra B. the Gobi Desert C. the Salton Sea D. the rain forest Which option is correct and why?
The correct answer is: the Gobi Desert.
When water vapor is in clouds and it gets cooler, what happens?
[ "It's dark", "flooding", "Heat energy", "Tornadoes", "The sun shines", "It rains", "evaporation", "Tropical" ]
It rains
Answer the following multiple-choice question. Question: When water vapor is in clouds and it gets cooler, what happens? Options: A. It's dark B. flooding C. Heat energy D. Tornadoes E. The sun shines F. It rains G. evaporation H. Tropical Which option is correct and why?
The correct answer is: It rains.
What are materials that have a low resistance to electrical current called?
[ "fast conductors", "electrical conductors", "resistors", "electrons" ]
electrical conductors
Answer the following multiple-choice question. Question: What are materials that have a low resistance to electrical current called? Options: A. fast conductors B. electrical conductors C. resistors D. electrons Which option is correct and why?
The correct answer is: electrical conductors.
what makes a river wider?
[ "rainfall", "salinity", "arteries", "flow of electrons", "Water expanding", "Physical weathering", "a hydraulic system", "clearing land" ]
clearing land
Answer the following multiple-choice question. Question: what makes a river wider? Options: A. rainfall B. salinity C. arteries D. flow of electrons E. Water expanding F. Physical weathering G. a hydraulic system H. clearing land Which option is correct and why?
The correct answer is: clearing land.
a tree felling bulldozer goes through a wooded area, leveling it down, what happens to the trees in the ground?
[ "they will become taller", "they will grow stronger", "they will thrive and rise", "they will perish right there" ]
they will perish right there
Answer the following multiple-choice question. Question: a tree felling bulldozer goes through a wooded area, leveling it down, what happens to the trees in the ground? Options: A. they will become taller B. they will grow stronger C. they will thrive and rise D. they will perish right there Which option is correct and why?
The correct answer is: they will perish right there.
How can mammals transport seeds?
[ "mechanical", "Movement", "with their ears", "with their teeth", "with their eyes", "with their fur", "four limbs", "circulatory systems" ]
with their fur
Answer the following multiple-choice question. Question: How can mammals transport seeds? Options: A. mechanical B. Movement C. with their ears D. with their teeth E. with their eyes F. with their fur G. four limbs H. circulatory systems Which option is correct and why?
The correct answer is: with their fur.
what co-evolved with plants?
[ "gravity", "peachleaf willow", "Chemical energy", "Organic compounds", "hummingbirds", "h2o", "density", "animals" ]
hummingbirds
Answer the following multiple-choice question. Question: what co-evolved with plants? Options: A. gravity B. peachleaf willow C. Chemical energy D. Organic compounds E. hummingbirds F. h2o G. density H. animals Which option is correct and why?
The correct answer is: hummingbirds.
What can destroy tissue?
[ "Greenhouse gasses", "rays or beams", "deoxyribonucleic acid", "Chemical energy", "chemical reaction", "Absorbing sunlight", "Electrical energy", "parasites" ]
Absorbing sunlight
Answer the following multiple-choice question. Question: What can destroy tissue? Options: A. Greenhouse gasses B. rays or beams C. deoxyribonucleic acid D. Chemical energy E. chemical reaction F. Absorbing sunlight G. Electrical energy H. parasites Which option is correct and why?
The correct answer is: Absorbing sunlight.
What is the clear, curved structure that works with the cornea to help focus light at the back of the eye?
[ "pupil", "retina", "iris", "lens" ]
lens
Answer the following multiple-choice question. Question: What is the clear, curved structure that works with the cornea to help focus light at the back of the eye? Options: A. pupil B. retina C. iris D. lens Which option is correct and why?
The correct answer is: lens.
What is the study of the interaction between matter and energy called?
[ "geology", "climatology", "chemistry", "astronomy" ]
chemistry
Answer the following multiple-choice question. Question: What is the study of the interaction between matter and energy called? Options: A. geology B. climatology C. chemistry D. astronomy Which option is correct and why?
The correct answer is: chemistry.
What will change the amount of daylight?
[ "The amount of hours in a day", "Changing the angle of the sun", "refraction of light", "Changing the temperature", "the ground shaking", "exposure to cold", "Closing the blinds", "a hemisphere is tilted away from the sun" ]
Changing the angle of the sun
Answer the following multiple-choice question. Question: What will change the amount of daylight? Options: A. The amount of hours in a day B. Changing the angle of the sun C. refraction of light D. Changing the temperature E. the ground shaking F. exposure to cold G. Closing the blinds H. a hemisphere is tilted away from the sun Which option is correct and why?
The correct answer is: Changing the angle of the sun.
What can be learned from heating a liquid?
[ "The bending of a ray of light", "When it becomes a gas", "chemical equations", "When it becomes a solid", "kinetic energy", "When its mass increases", "When it condenses", "matter vibrating" ]
When it becomes a gas
Answer the following multiple-choice question. Question: What can be learned from heating a liquid? Options: A. The bending of a ray of light B. When it becomes a gas C. chemical equations D. When it becomes a solid E. kinetic energy F. When its mass increases G. When it condenses H. matter vibrating Which option is correct and why?
The correct answer is: When it becomes a gas.
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Why do viruses not belong to any domain of life?
[ "they are nonliving", "they are mortal", "they are too mature", "they are immortal" ]
they are nonliving
Answer the following multiple-choice question. Question: Why do viruses not belong to any domain of life? Options: A. they are nonliving B. they are mortal C. they are too mature D. they are immortal Which option is correct and why?
The correct answer is: they are nonliving.
Earth's tilt on its rotating axis causes what?
[ "global warming", "dry conditions", "temperature", "wet and cold weather", "absence of stars", "disappearance of the moon", "lack of weather", "converting electricity to heat" ]
wet and cold weather
Answer the following multiple-choice question. Question: Earth's tilt on its rotating axis causes what? Options: A. global warming B. dry conditions C. temperature D. wet and cold weather E. absence of stars F. disappearance of the moon G. lack of weather H. converting electricity to heat Which option is correct and why?
The correct answer is: wet and cold weather.
Aside from plants, lizards also eat bugs for
[ "singing", "crying", "nothing", "sustenance" ]
sustenance
Answer the following multiple-choice question. Question: Aside from plants, lizards also eat bugs for Options: A. singing B. crying C. nothing D. sustenance Which option is correct and why?
The correct answer is: sustenance.
What is produced by the fermentation in corn and other plants?
[ "carbon dioxide", "white vinegar", "gasoline", "grain alcohol", "glucose", "vinegar", "Organic compounds", "chlorofluorocarbons" ]
grain alcohol
Answer the following multiple-choice question. Question: What is produced by the fermentation in corn and other plants? Options: A. carbon dioxide B. white vinegar C. gasoline D. grain alcohol E. glucose F. vinegar G. Organic compounds H. chlorofluorocarbons Which option is correct and why?
The correct answer is: grain alcohol.
What can produce eggs inside ovaries of flowers?
[ "peachleaf willow", "Most plants", "animals", "female ferns", "pollen", "insects", "honeybees", "Plant reproduction" ]
female ferns
Answer the following multiple-choice question. Question: What can produce eggs inside ovaries of flowers? Options: A. peachleaf willow B. Most plants C. animals D. female ferns E. pollen F. insects G. honeybees H. Plant reproduction Which option is correct and why?
The correct answer is: female ferns.
What displays less aggression when there are fewer older members?
[ "bacteria", "rocks", "bucks", "bamboo", "toads", "cats", "dogs", "the Sun" ]
bucks
Answer the following multiple-choice question. Question: What displays less aggression when there are fewer older members? Options: A. bacteria B. rocks C. bucks D. bamboo E. toads F. cats G. dogs H. the Sun Which option is correct and why?
The correct answer is: bucks.
What kind of lakes form when volcanic eruptions create holes that fill with water?
[ "crater lakes", "novel lakes", "artificial lakes", "formation lakes" ]
crater lakes
Answer the following multiple-choice question. Question: What kind of lakes form when volcanic eruptions create holes that fill with water? Options: A. crater lakes B. novel lakes C. artificial lakes D. formation lakes Which option is correct and why?
The correct answer is: crater lakes.
What is an atom or group of bonded atoms that has a positive or negative charge?
[ "an ion", "an photon", "an electron", "a neutron" ]
an ion
Answer the following multiple-choice question. Question: What is an atom or group of bonded atoms that has a positive or negative charge? Options: A. an ion B. an photon C. an electron D. a neutron Which option is correct and why?
The correct answer is: an ion.
In a model of a hemoglobin molecule, the purple part indicates the presence of what element?
[ "silver", "helium", "gold", "iron" ]
iron
Answer the following multiple-choice question. Question: In a model of a hemoglobin molecule, the purple part indicates the presence of what element? Options: A. silver B. helium C. gold D. iron Which option is correct and why?
The correct answer is: iron.
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what are clouds formed from?
[ "water vapor", "oxygen", "Heat energy", "heating liquids", "evaporation", "carbon dioxide", "air", "boiling" ]
water vapor
Answer the following multiple-choice question. Question: what are clouds formed from? Options: A. water vapor B. oxygen C. Heat energy D. heating liquids E. evaporation F. carbon dioxide G. air H. boiling Which option is correct and why?
The correct answer is: water vapor.
A light is refracted when
[ "it shines at a gem", "it shines at a mirror", "it reflects off a spoon", "it reflects off a car" ]
it shines at a gem
Answer the following multiple-choice question. Question: A light is refracted when Options: A. it shines at a gem B. it shines at a mirror C. it reflects off a spoon D. it reflects off a car Which option is correct and why?
The correct answer is: it shines at a gem.
Eukaryotic cells contain what type of structures that possess special functions?
[ "organelles", "cell membranes", "fibers", "chloroplasts" ]
organelles
Answer the following multiple-choice question. Question: Eukaryotic cells contain what type of structures that possess special functions? Options: A. organelles B. cell membranes C. fibers D. chloroplasts Which option is correct and why?
The correct answer is: organelles.
What was formed by precipitation and runoff?
[ "a hydraulic system", "streams.", "The Caspian Sea", "kalenchoes", "near the shoreline", "swamp vegetation", "Calcium carbonate", "patch reefs" ]
The Caspian Sea
Answer the following multiple-choice question. Question: What was formed by precipitation and runoff? Options: A. a hydraulic system B. streams. C. The Caspian Sea D. kalenchoes E. near the shoreline F. swamp vegetation G. Calcium carbonate H. patch reefs Which option is correct and why?
The correct answer is: The Caspian Sea.