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The simplest type of battery contains what?
[ "water", "multiple cells", "alkaline", "single cell" ]
single cell
Answer the following multiple-choice question. Question: The simplest type of battery contains what? Options: A. water B. multiple cells C. alkaline D. single cell Which option is correct and why?
The correct answer is: single cell.
What are the most common causes of brain injuries?
[ "falls", "excessive shaking", "alcohol poisoning", "lightning strikes" ]
falls
Answer the following multiple-choice question. Question: What are the most common causes of brain injuries? Options: A. falls B. excessive shaking C. alcohol poisoning D. lightning strikes Which option is correct and why?
The correct answer is: falls.
What do organisms use to grow and repair themselves?
[ "diffusion", "cell division", "mutation", "cell solution" ]
cell division
Answer the following multiple-choice question. Question: What do organisms use to grow and repair themselves? Options: A. diffusion B. cell division C. mutation D. cell solution Which option is correct and why?
The correct answer is: cell division.
When a vegetative organism lifeform goes into a state of creating a life from itself, what is it called?
[ "dispersing reproduction units", "painting", "seed harvest", "hibernation" ]
dispersing reproduction units
Answer the following multiple-choice question. Question: When a vegetative organism lifeform goes into a state of creating a life from itself, what is it called? Options: A. dispersing reproduction units B. painting C. seed harvest D. hibernation Which option is correct and why?
The correct answer is: dispersing reproduction units.
What is the female reproductive structure of a flower called?
[ "the pistil", "the stamen", "the stigma", "the pollinator" ]
the pistil
Answer the following multiple-choice question. Question: What is the female reproductive structure of a flower called? Options: A. the pistil B. the stamen C. the stigma D. the pollinator Which option is correct and why?
The correct answer is: the pistil.
Building housing developments usually requires doing what to numerous plant and animal species?
[ "massive damage", "endangering them", "protect them", "genetic diversity", "sheltering them", "feeding them", "food and shelter", "hunting them" ]
endangering them
Answer the following multiple-choice question. Question: Building housing developments usually requires doing what to numerous plant and animal species? Options: A. massive damage B. endangering them C. protect them D. genetic diversity E. sheltering them F. feeding them G. food and shelter H. hunting them Which option is correct and why?
The correct answer is: endangering them.
What is an example of runoff?
[ "A farm being irrigated", "Water running from a farm into Lake Huron", "Rainwater soaking into the ground", "Water condensing to form dew" ]
Water running from a farm into Lake Huron
Answer the following multiple-choice question. Question: What is an example of runoff? Options: A. A farm being irrigated B. Water running from a farm into Lake Huron C. Rainwater soaking into the ground D. Water condensing to form dew Which option is correct and why?
The correct answer is: Water running from a farm into Lake Huron.
The difference in electric potential energy which allows for an electric charge to move from one position to another is measured by what si unit?
[ "joule", "meter", "volt", "ohm" ]
volt
Answer the following multiple-choice question. Question: The difference in electric potential energy which allows for an electric charge to move from one position to another is measured by what si unit? Options: A. joule B. meter C. volt D. ohm Which option is correct and why?
The correct answer is: volt.
The wavelength of a what type of wave can be measured as the distance between two adjacent compressions?
[ "longitudinal", "lateral", "horizontal", "vertical" ]
longitudinal
Answer the following multiple-choice question. Question: The wavelength of a what type of wave can be measured as the distance between two adjacent compressions? Options: A. longitudinal B. lateral C. horizontal D. vertical Which option is correct and why?
The correct answer is: longitudinal.
What typically occurs from a few seconds to under half of a minute?
[ "an hour", "an earthquake", "a television series", "a volcano" ]
an earthquake
Answer the following multiple-choice question. Question: What typically occurs from a few seconds to under half of a minute? Options: A. an hour B. an earthquake C. a television series D. a volcano Which option is correct and why?
The correct answer is: an earthquake.
What class of invertebrate animals has additional appendages called the chelicerae and the pedipalps?
[ "fish", "arthropod", "arachnid", "mammals" ]
arachnid
Answer the following multiple-choice question. Question: What class of invertebrate animals has additional appendages called the chelicerae and the pedipalps? Options: A. fish B. arthropod C. arachnid D. mammals Which option is correct and why?
The correct answer is: arachnid.
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Cations are attracted to anions, which are ions with what charge?
[ "similar", "positive", "negative", "neutral" ]
negative
Answer the following multiple-choice question. Question: Cations are attracted to anions, which are ions with what charge? Options: A. similar B. positive C. negative D. neutral Which option is correct and why?
The correct answer is: negative.
What is it called when male gametes are propelled because of muscle contractions?
[ "competition", "rapid expansion", "intercourse", "thrusting", "a wave", "reproductions", "A Greek letter", "ejaculation" ]
ejaculation
Answer the following multiple-choice question. Question: What is it called when male gametes are propelled because of muscle contractions? Options: A. competition B. rapid expansion C. intercourse D. thrusting E. a wave F. reproductions G. A Greek letter H. ejaculation Which option is correct and why?
The correct answer is: ejaculation.
What is the volume of the molecules of an ideal gas?
[ "one", "three", "zero", "two" ]
zero
Answer the following multiple-choice question. Question: What is the volume of the molecules of an ideal gas? Options: A. one B. three C. zero D. two Which option is correct and why?
The correct answer is: zero.
Wind turbines can produce what?
[ "hydroelectricity", "dangerous", "electricity", "heat energy", "toxic waste", "sunlight", "Destroy bridges", "massive damage" ]
electricity
Answer the following multiple-choice question. Question: Wind turbines can produce what? Options: A. hydroelectricity B. dangerous C. electricity D. heat energy E. toxic waste F. sunlight G. Destroy bridges H. massive damage Which option is correct and why?
The correct answer is: electricity.
What do you call a circuit that consists of one loop, which if interrupted at any point, causes cessation of the whole circuit's electric current?
[ "parallel circuit", "series circuit", "constant circuit", "dramatic circuit" ]
series circuit
Answer the following multiple-choice question. Question: What do you call a circuit that consists of one loop, which if interrupted at any point, causes cessation of the whole circuit's electric current? Options: A. parallel circuit B. series circuit C. constant circuit D. dramatic circuit Which option is correct and why?
The correct answer is: series circuit.
What does weathering do?
[ "ground to shake", "looseness of dirt or compost", "Adds to rock size", "Continents drifting", "Destroy bridges", "Causes storms", "Makes people sick", "Breaks down bigger rocks" ]
Breaks down bigger rocks
Answer the following multiple-choice question. Question: What does weathering do? Options: A. ground to shake B. looseness of dirt or compost C. Adds to rock size D. Continents drifting E. Destroy bridges F. Causes storms G. Makes people sick H. Breaks down bigger rocks Which option is correct and why?
The correct answer is: Breaks down bigger rocks.
what produces spores that develop into gametophytes?
[ "Leptospirosis", "bushes", "orchids", "graptolites", "ferns", "cacti", "Chlorophyll", "daffodils" ]
daffodils
Answer the following multiple-choice question. Question: what produces spores that develop into gametophytes? Options: A. Leptospirosis B. bushes C. orchids D. graptolites E. ferns F. cacti G. Chlorophyll H. daffodils Which option is correct and why?
The correct answer is: daffodils.
What forces in liquids are strong enough to keep them from expanding significantly when heated?
[ "intermolecular forces", "gravitational forces", "particles forces", "outermolecular forces" ]
intermolecular forces
Answer the following multiple-choice question. Question: What forces in liquids are strong enough to keep them from expanding significantly when heated? Options: A. intermolecular forces B. gravitational forces C. particles forces D. outermolecular forces Which option is correct and why?
The correct answer is: intermolecular forces.
Mammals can also generate little bursts of heat by what?
[ "the body's largest organ", "reacting to the cold", "flow of electrons", "looking very cold", "reacting to the news", "considering being warm", "Movement of an air mass", "with their fur" ]
reacting to the cold
Answer the following multiple-choice question. Question: Mammals can also generate little bursts of heat by what? Options: A. the body's largest organ B. reacting to the cold C. flow of electrons D. looking very cold E. reacting to the news F. considering being warm G. Movement of an air mass H. with their fur Which option is correct and why?
The correct answer is: reacting to the cold.
What is formed when the ceiling of an underground cave collapses?
[ "sinkhole", "groundwater", "hill", "mountain" ]
sinkhole
Answer the following multiple-choice question. Question: What is formed when the ceiling of an underground cave collapses? Options: A. sinkhole B. groundwater C. hill D. mountain Which option is correct and why?
The correct answer is: sinkhole.
What occurs in organelles that are found in the cells of plants and algae?
[ "oxidation reaction", "flow of electrons", "glucose", "cell membrane", "refraction of light", "photosynthesis", "root", "stem" ]
photosynthesis
Answer the following multiple-choice question. Question: What occurs in organelles that are found in the cells of plants and algae? Options: A. oxidation reaction B. flow of electrons C. glucose D. cell membrane E. refraction of light F. photosynthesis G. root H. stem Which option is correct and why?
The correct answer is: photosynthesis.
what makes sand formations?
[ "potash", "wind", "fibers", "fish", "Rain", "sea", "soils", "coral" ]
wind
Answer the following multiple-choice question. Question: what makes sand formations? Options: A. potash B. wind C. fibers D. fish E. Rain F. sea G. soils H. coral Which option is correct and why?
The correct answer is: wind.
If a tree is growing in an area that is most ideal to it, the dirt will be
[ "firm", "loose", "packed tight", "airless" ]
loose
Answer the following multiple-choice question. Question: If a tree is growing in an area that is most ideal to it, the dirt will be Options: A. firm B. loose C. packed tight D. airless Which option is correct and why?
The correct answer is: loose.
Which of the following sciences studies cells?
[ "sensory neurons", "Astronomy", "epidermal", "it needs them", "Physiology", "retina", "Anatomy", "Astrology" ]
Physiology
Answer the following multiple-choice question. Question: Which of the following sciences studies cells? Options: A. sensory neurons B. Astronomy C. epidermal D. it needs them E. Physiology F. retina G. Anatomy H. Astrology Which option is correct and why?
The correct answer is: Physiology.
The enormous number of species is due to the tremendous variety of what?
[ "tissues", "sounds", "measurements", "environments" ]
environments
Answer the following multiple-choice question. Question: The enormous number of species is due to the tremendous variety of what? Options: A. tissues B. sounds C. measurements D. environments Which option is correct and why?
The correct answer is: environments.
The goal of homeostasis is the maintenance of what, around a point or value called a set point?
[ "equilibrium", "agitation", "steadiness", "imbalance" ]
equilibrium
Answer the following multiple-choice question. Question: The goal of homeostasis is the maintenance of what, around a point or value called a set point? Options: A. equilibrium B. agitation C. steadiness D. imbalance Which option is correct and why?
The correct answer is: equilibrium.
what determines the number of body parts and organism is born with?
[ "survival of fittest", "random chance", "the organisms creators", "natural predators" ]
the organisms creators
Answer the following multiple-choice question. Question: what determines the number of body parts and organism is born with? Options: A. survival of fittest B. random chance C. the organisms creators D. natural predators Which option is correct and why?
The correct answer is: the organisms creators.
The vestibulocochlear nerve is responsible for the senses of hearing and what else?
[ "awareness", "smell", "sight", "balance" ]
balance
Answer the following multiple-choice question. Question: The vestibulocochlear nerve is responsible for the senses of hearing and what else? Options: A. awareness B. smell C. sight D. balance Which option is correct and why?
The correct answer is: balance.
Blowing air into what causes air to move inside it?
[ "heat", "solid plastic", "solid glass", "solid rock", "whistle", "sound", "a chime", "waves" ]
whistle
Answer the following multiple-choice question. Question: Blowing air into what causes air to move inside it? Options: A. heat B. solid plastic C. solid glass D. solid rock E. whistle F. sound G. a chime H. waves Which option is correct and why?
The correct answer is: whistle.
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What was the first known animal with a backbone?
[ "pigs", "Birds", "sharks", "Elephant", "Dog", "Fish", "Human", "Man" ]
Fish
Answer the following multiple-choice question. Question: What was the first known animal with a backbone? Options: A. pigs B. Birds C. sharks D. Elephant E. Dog F. Fish G. Human H. Man Which option is correct and why?
The correct answer is: Fish.
What are surface currents generally caused by?
[ "major wind belts", "major steam belts", "major humidity belts", "minor wind belts" ]
major wind belts
Answer the following multiple-choice question. Question: What are surface currents generally caused by? Options: A. major wind belts B. major steam belts C. major humidity belts D. minor wind belts Which option is correct and why?
The correct answer is: major wind belts.
Plants would be unable to stand if they lacked
[ "multiple leaves supported on its torso", "gel that form shapes", "the ability to flower nightly", "tiny structures inside the support" ]
tiny structures inside the support
Answer the following multiple-choice question. Question: Plants would be unable to stand if they lacked Options: A. multiple leaves supported on its torso B. gel that form shapes C. the ability to flower nightly D. tiny structures inside the support Which option is correct and why?
The correct answer is: tiny structures inside the support.
What are the catalysts that occur naturally in living organisms and are primarily protein molecules?
[ "enzymes", "carbohydrates", "hormones", "acids" ]
enzymes
Answer the following multiple-choice question. Question: What are the catalysts that occur naturally in living organisms and are primarily protein molecules? Options: A. enzymes B. carbohydrates C. hormones D. acids Which option is correct and why?
The correct answer is: enzymes.
Cross-pollination increases what?
[ "Reproduction", "gene flow", "Plant reproduction", "Maceration", "traits", "Anthropic Principle", "Interphase", "biodiversity" ]
biodiversity
Answer the following multiple-choice question. Question: Cross-pollination increases what? Options: A. Reproduction B. gene flow C. Plant reproduction D. Maceration E. traits F. Anthropic Principle G. Interphase H. biodiversity Which option is correct and why?
The correct answer is: biodiversity.
What do you call the heat below earth’s surface that can be used to produce electricity?
[ "inert energy", "natural energy", "geothermal energy", "renewable energy" ]
geothermal energy
Answer the following multiple-choice question. Question: What do you call the heat below earth’s surface that can be used to produce electricity? Options: A. inert energy B. natural energy C. geothermal energy D. renewable energy Which option is correct and why?
The correct answer is: geothermal energy.
What is a tape measure used for?
[ "in the frog family", "how long something is", "Males and females", "how dense something is", "the texture of something", "how much liquid there is", "objects that have mass", "lowered energy cost" ]
how long something is
Answer the following multiple-choice question. Question: What is a tape measure used for? Options: A. in the frog family B. how long something is C. Males and females D. how dense something is E. the texture of something F. how much liquid there is G. objects that have mass H. lowered energy cost Which option is correct and why?
The correct answer is: how long something is.
Which is the largest planet in our solar system?
[ "neptune", "jupiter", "uranus", "titan" ]
jupiter
Answer the following multiple-choice question. Question: Which is the largest planet in our solar system? Options: A. neptune B. jupiter C. uranus D. titan Which option is correct and why?
The correct answer is: jupiter.
What secrete antibodies?
[ "parasites", "barnacles", "the body's largest organ", "major threat to health", "activated b cells", "resistance activities", "fur seals", "it keeps an organism warm" ]
activated b cells
Answer the following multiple-choice question. Question: What secrete antibodies? Options: A. parasites B. barnacles C. the body's largest organ D. major threat to health E. activated b cells F. resistance activities G. fur seals H. it keeps an organism warm Which option is correct and why?
The correct answer is: activated b cells.
Marine species live mainly in waters which are very rich in what
[ "liquid", "energy", "salt", "fish", "oxygen", "life", "matter", "Carbon" ]
fish
Answer the following multiple-choice question. Question: Marine species live mainly in waters which are very rich in what Options: A. liquid B. energy C. salt D. fish E. oxygen F. life G. matter H. Carbon Which option is correct and why?
The correct answer is: fish.
Lymphocytes are the key cells involved in what
[ "Veins and arteries.", "permineralization", "the skin", "Animal survival", "allergy attack", "positive", "massive damage", "critical organs" ]
allergy attack
Answer the following multiple-choice question. Question: Lymphocytes are the key cells involved in what Options: A. Veins and arteries. B. permineralization C. the skin D. Animal survival E. allergy attack F. positive G. massive damage H. critical organs Which option is correct and why?
The correct answer is: allergy attack.
Inside of a fruit is
[ "tiny hard pieces", "small berries", "worms", "little sharp flecks" ]
tiny hard pieces
Answer the following multiple-choice question. Question: Inside of a fruit is Options: A. tiny hard pieces B. small berries C. worms D. little sharp flecks Which option is correct and why?
The correct answer is: tiny hard pieces.
The Earth is going to be completing a full rotation. A child notes this, and knows that it means that
[ "a cloud is going to rain", "the moon is in the sky", "a day has passed on Jupiter", "the sun rose, set and rose again" ]
the sun rose, set and rose again
Answer the following multiple-choice question. Question: The Earth is going to be completing a full rotation. A child notes this, and knows that it means that Options: A. a cloud is going to rain B. the moon is in the sky C. a day has passed on Jupiter D. the sun rose, set and rose again Which option is correct and why?
The correct answer is: the sun rose, set and rose again.
Where would a hare live?
[ "in the zoo for its safety from sharks", "a field for sustenance", "space for its low gravity", "a desert for its high temperatures" ]
a field for sustenance
Answer the following multiple-choice question. Question: Where would a hare live? Options: A. in the zoo for its safety from sharks B. a field for sustenance C. space for its low gravity D. a desert for its high temperatures Which option is correct and why?
The correct answer is: a field for sustenance.
If a planet becomes too hot, then it cannot maintain what?
[ "heated soil", "food and shelter", "warm temperature", "Quality of life", "They may not survive.", "Animal survival", "balanced ecosystem", "hot atmosphere" ]
balanced ecosystem
Answer the following multiple-choice question. Question: If a planet becomes too hot, then it cannot maintain what? Options: A. heated soil B. food and shelter C. warm temperature D. Quality of life E. They may not survive. F. Animal survival G. balanced ecosystem H. hot atmosphere Which option is correct and why?
The correct answer is: balanced ecosystem.
What does a greenhouse protect plants from to help them grow easily?
[ "death", "hotness", "Winter", "fronts", "heat", "drought", "rain", "chill" ]
chill
Answer the following multiple-choice question. Question: What does a greenhouse protect plants from to help them grow easily? Options: A. death B. hotness C. Winter D. fronts E. heat F. drought G. rain H. chill Which option is correct and why?
The correct answer is: chill.
what does the atmosphere do before turning into fog
[ "adapt", "rest", "Rise", "fall", "cooled", "snow", "swirl", "Lift" ]
Rise
Answer the following multiple-choice question. Question: what does the atmosphere do before turning into fog Options: A. adapt B. rest C. Rise D. fall E. cooled F. snow G. swirl H. Lift Which option is correct and why?
The correct answer is: Rise.
Peroxisomes carry out oxidation reactions that break down what acids?
[ "fatty acids and amino acids", "stomach acids", "nitric acids", "acetic acids" ]
fatty acids and amino acids
Answer the following multiple-choice question. Question: Peroxisomes carry out oxidation reactions that break down what acids? Options: A. fatty acids and amino acids B. stomach acids C. nitric acids D. acetic acids Which option is correct and why?
The correct answer is: fatty acids and amino acids.
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what feeds plants?
[ "animals", "insects", "virus", "bacteria", "coal", "bees", "cells", "sugar" ]
bacteria
Answer the following multiple-choice question. Question: what feeds plants? Options: A. animals B. insects C. virus D. bacteria E. coal F. bees G. cells H. sugar Which option is correct and why?
The correct answer is: bacteria.
How much work is done when a force is applied in a different direction than the direction of movement?
[ "minimum", "full", "none", "half" ]
none
Answer the following multiple-choice question. Question: How much work is done when a force is applied in a different direction than the direction of movement? Options: A. minimum B. full C. none D. half Which option is correct and why?
The correct answer is: none.
The water in the bowl was gone before the water
[ "on the tray", "in the mug", "on the plate", "on the table" ]
in the mug
Answer the following multiple-choice question. Question: The water in the bowl was gone before the water Options: A. on the tray B. in the mug C. on the plate D. on the table Which option is correct and why?
The correct answer is: in the mug.
Humans have collected and grown what for food for thousands of years?
[ "plants", "fungi", "ferns", "cheese", "fungus", "salmon", "hamburgers", "primates" ]
fungi
Answer the following multiple-choice question. Question: Humans have collected and grown what for food for thousands of years? Options: A. plants B. fungi C. ferns D. cheese E. fungus F. salmon G. hamburgers H. primates Which option is correct and why?
The correct answer is: fungi.
What is the movement of muscle in the digestive system called?
[ "peristalsis", "apoptosis", "labor contractions", "acid reflux" ]
peristalsis
Answer the following multiple-choice question. Question: What is the movement of muscle in the digestive system called? Options: A. peristalsis B. apoptosis C. labor contractions D. acid reflux Which option is correct and why?
The correct answer is: peristalsis.
Animals that live in groups with other members of their species are called what?
[ "energetic animals", "present animals", "social animals", "common animals" ]
social animals
Answer the following multiple-choice question. Question: Animals that live in groups with other members of their species are called what? Options: A. energetic animals B. present animals C. social animals D. common animals Which option is correct and why?
The correct answer is: social animals.
Nerves can be used to feel heat and pressure on what structure
[ "blood", "humans", "cells", "Neuron.", "quadriceps", "layers of fat", "arteries", "Epidermis" ]
Epidermis
Answer the following multiple-choice question. Question: Nerves can be used to feel heat and pressure on what structure Options: A. blood B. humans C. cells D. Neuron. E. quadriceps F. layers of fat G. arteries H. Epidermis Which option is correct and why?
The correct answer is: Epidermis.
What is a double membrane of the nucleus that encloses the genetic material?
[ "cell membrane", "nuclear enevelope", "nuclear wall", "cell wall" ]
nuclear enevelope
Answer the following multiple-choice question. Question: What is a double membrane of the nucleus that encloses the genetic material? Options: A. cell membrane B. nuclear enevelope C. nuclear wall D. cell wall Which option is correct and why?
The correct answer is: nuclear enevelope.
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If two populations do not mate and produce fertile offspring, what results?
[ "same species", "small species", "large species", "separate species" ]
separate species
Answer the following multiple-choice question. Question: If two populations do not mate and produce fertile offspring, what results? Options: A. same species B. small species C. large species D. separate species Which option is correct and why?
The correct answer is: separate species.
High per capita use of what means the ecological footprint of the united states is large?
[ "resources", "food", "green energy", "money" ]
resources
Answer the following multiple-choice question. Question: High per capita use of what means the ecological footprint of the united states is large? Options: A. resources B. food C. green energy D. money Which option is correct and why?
The correct answer is: resources.
What triangular feature is formed when a river empties into a large body of still water?
[ "region", "confluence", "flow", "delta" ]
delta
Answer the following multiple-choice question. Question: What triangular feature is formed when a river empties into a large body of still water? Options: A. region B. confluence C. flow D. delta Which option is correct and why?
The correct answer is: delta.
What is the net force when two forces act in the same direction?
[ "sum of the forces", "group of forces", "arguing forces", "number of the forces" ]
sum of the forces
Answer the following multiple-choice question. Question: What is the net force when two forces act in the same direction? Options: A. sum of the forces B. group of forces C. arguing forces D. number of the forces Which option is correct and why?
The correct answer is: sum of the forces.
Which is likely the material used to make an eco-friendly sculpture?
[ "pollutants", "animal furs", "coke cans", "fossil fuels" ]
coke cans
Answer the following multiple-choice question. Question: Which is likely the material used to make an eco-friendly sculpture? Options: A. pollutants B. animal furs C. coke cans D. fossil fuels Which option is correct and why?
The correct answer is: coke cans.
A plant requires food for what?
[ "diversity and prosperity", "Help plants grow", "fertilization", "to stay warm", "Time and energy", "Quality of life", "circulatory systems", "most organisms" ]
diversity and prosperity
Answer the following multiple-choice question. Question: A plant requires food for what? Options: A. diversity and prosperity B. Help plants grow C. fertilization D. to stay warm E. Time and energy F. Quality of life G. circulatory systems H. most organisms Which option is correct and why?
The correct answer is: diversity and prosperity.
What do fission reactors use to slow down the neutrons?
[ "control", "moderator", "brake", "inertia" ]
moderator
Answer the following multiple-choice question. Question: What do fission reactors use to slow down the neutrons? Options: A. control B. moderator C. brake D. inertia Which option is correct and why?
The correct answer is: moderator.
what can form canyons?
[ "spring", "storms", "dams", "mines", "salmon", "two", "rain", "cut" ]
dams
Answer the following multiple-choice question. Question: what can form canyons? Options: A. spring B. storms C. dams D. mines E. salmon F. two G. rain H. cut Which option is correct and why?
The correct answer is: dams.
What type of carbon dioxide levels have been rising for the past several decades?
[ "subatomic", "atmospheric", "magnetic", "aqueous" ]
atmospheric
Answer the following multiple-choice question. Question: What type of carbon dioxide levels have been rising for the past several decades? Options: A. subatomic B. atmospheric C. magnetic D. aqueous Which option is correct and why?
The correct answer is: atmospheric.
What type of matter in the spinal cord has the appearance of an ink-blot test and is subdivided into regions that are referred to as horns?
[ "bright matter", "dark matter", "wet matter", "gray matter" ]
gray matter
Answer the following multiple-choice question. Question: What type of matter in the spinal cord has the appearance of an ink-blot test and is subdivided into regions that are referred to as horns? Options: A. bright matter B. dark matter C. wet matter D. gray matter Which option is correct and why?
The correct answer is: gray matter.
What are leaves used to store?
[ "wind", "fats", "water", "sunlight", "lipids", "glucose", "soil", "energy" ]
water
Answer the following multiple-choice question. Question: What are leaves used to store? Options: A. wind B. fats C. water D. sunlight E. lipids F. glucose G. soil H. energy Which option is correct and why?
The correct answer is: water.
What is the term for the small particles that rocks are worn down to by water and wind?
[ "sediments", "organisms", "pebbles", "fragments" ]
sediments
Answer the following multiple-choice question. Question: What is the term for the small particles that rocks are worn down to by water and wind? Options: A. sediments B. organisms C. pebbles D. fragments Which option is correct and why?
The correct answer is: sediments.
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What flows like taffy or hot wax?
[ "molten rock", "sand dunes", "water", "gas" ]
molten rock
Answer the following multiple-choice question. Question: What flows like taffy or hot wax? Options: A. molten rock B. sand dunes C. water D. gas Which option is correct and why?
The correct answer is: molten rock.
_ food can prevent spoilage
[ "chemical changes", "Cooking", "Enzymes", "Dehydration", "layers of fat", "irradiating", "disease", "electricity" ]
irradiating
Answer the following multiple-choice question. Question: _ food can prevent spoilage Options: A. chemical changes B. Cooking C. Enzymes D. Dehydration E. layers of fat F. irradiating G. disease H. electricity Which option is correct and why?
The correct answer is: irradiating.
An animal would have its inner parts better protected if it had which of these?
[ "a backpack on its back", "a calcium fortified internal structure", "none of these", "a shell of cotton" ]
a calcium fortified internal structure
Answer the following multiple-choice question. Question: An animal would have its inner parts better protected if it had which of these? Options: A. a backpack on its back B. a calcium fortified internal structure C. none of these D. a shell of cotton Which option is correct and why?
The correct answer is: a calcium fortified internal structure.
What type of motion only occurs when there is one force applied at the beginning of the trajectory after which there is no interference apart from gravity?
[ "velocity", "thrust", "projectile", "propellant" ]
projectile
Answer the following multiple-choice question. Question: What type of motion only occurs when there is one force applied at the beginning of the trajectory after which there is no interference apart from gravity? Options: A. velocity B. thrust C. projectile D. propellant Which option is correct and why?
The correct answer is: projectile.
Oxygen, carbon, hydrogen and what other element make up approximately 96% of living matter?
[ "nitrogen", "helium", "calcium", "silicon" ]
nitrogen
Answer the following multiple-choice question. Question: Oxygen, carbon, hydrogen and what other element make up approximately 96% of living matter? Options: A. nitrogen B. helium C. calcium D. silicon Which option is correct and why?
The correct answer is: nitrogen.
Orbiting at a fairly typical 370 kilometers, the international space station is an example of what?
[ "high orbit satellite", "manmade satellite", "flagella satellite", "alteration satellite" ]
manmade satellite
Answer the following multiple-choice question. Question: Orbiting at a fairly typical 370 kilometers, the international space station is an example of what? Options: A. high orbit satellite B. manmade satellite C. flagella satellite D. alteration satellite Which option is correct and why?
The correct answer is: manmade satellite.
What does the Earth being tilted on its rotating axis cause?
[ "wind", "the galaxy", "summer", "spring", "rainfall", "heat", "the moon", "the solar system" ]
summer
Answer the following multiple-choice question. Question: What does the Earth being tilted on its rotating axis cause? Options: A. wind B. the galaxy C. summer D. spring E. rainfall F. heat G. the moon H. the solar system Which option is correct and why?
The correct answer is: summer.
what can some viruses cause?
[ "extinction", "Allergies", "Dehydration", "anemia", "lymphoma", "relocation", "Pollution", "Toxicity" ]
lymphoma
Answer the following multiple-choice question. Question: what can some viruses cause? Options: A. extinction B. Allergies C. Dehydration D. anemia E. lymphoma F. relocation G. Pollution H. Toxicity Which option is correct and why?
The correct answer is: lymphoma.
what are full and smooth?
[ "porcupines", "a cuticle", "sandpaper", "tree bark", "fertile", "protist", "kalenchoes", "alveoli" ]
protist
Answer the following multiple-choice question. Question: what are full and smooth? Options: A. porcupines B. a cuticle C. sandpaper D. tree bark E. fertile F. protist G. kalenchoes H. alveoli Which option is correct and why?
The correct answer is: protist.
The active transport of ions across the membrane causes an electrical gradient to build up across the what?
[ "cells membrane", "components membrane", "plasma membrane", "colloidal membrane" ]
plasma membrane
Answer the following multiple-choice question. Question: The active transport of ions across the membrane causes an electrical gradient to build up across the what? Options: A. cells membrane B. components membrane C. plasma membrane D. colloidal membrane Which option is correct and why?
The correct answer is: plasma membrane.
What is the layer above the troposphere?
[ "stratosphere", "earth", "condensation", "sediment" ]
stratosphere
Answer the following multiple-choice question. Question: What is the layer above the troposphere? Options: A. stratosphere B. earth C. condensation D. sediment Which option is correct and why?
The correct answer is: stratosphere.
Molecules with a carboxyl group are called what?
[ "carboxylic acids", "Fatty acids", "acetic acids", "catalyzed acids" ]
carboxylic acids
Answer the following multiple-choice question. Question: Molecules with a carboxyl group are called what? Options: A. carboxylic acids B. Fatty acids C. acetic acids D. catalyzed acids Which option is correct and why?
The correct answer is: carboxylic acids.
what does using renewable resources to generate power reduce?
[ "lowered energy cost", "solar power", "climate", "evergreen trees", "Heat energy", "oxygen", "carbon dioxide", "kinetic energy" ]
carbon dioxide
Answer the following multiple-choice question. Question: what does using renewable resources to generate power reduce? Options: A. lowered energy cost B. solar power C. climate D. evergreen trees E. Heat energy F. oxygen G. carbon dioxide H. kinetic energy Which option is correct and why?
The correct answer is: carbon dioxide.
what sees a positive impact on root growth due to looseness of soil?
[ "Roundworms", "Conifers", "humans", "h2o", "orchids", "Earthworms", "mussels", "teeth" ]
orchids
Answer the following multiple-choice question. Question: what sees a positive impact on root growth due to looseness of soil? Options: A. Roundworms B. Conifers C. humans D. h2o E. orchids F. Earthworms G. mussels H. teeth Which option is correct and why?
The correct answer is: orchids.
Which is the most dangerous to trees?
[ "sunlight", "javascript", "oxygen", "industrial saws" ]
industrial saws
Answer the following multiple-choice question. Question: Which is the most dangerous to trees? Options: A. sunlight B. javascript C. oxygen D. industrial saws Which option is correct and why?
The correct answer is: industrial saws.
All what have a characteristic life cycle that are detailed with birth, growth, reproduction, death?
[ "plants", "flowers", "Oak", "animals", "parasites", "humans", "amoeba", "Trees" ]
plants
Answer the following multiple-choice question. Question: All what have a characteristic life cycle that are detailed with birth, growth, reproduction, death? Options: A. plants B. flowers C. Oak D. animals E. parasites F. humans G. amoeba H. Trees Which option is correct and why?
The correct answer is: plants.
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The minimum amount necessary for self-sustained fission of a given nuclide is called what?
[ "its critical mass", "its molar mass", "its half-life", "its activation energy" ]
its critical mass
Answer the following multiple-choice question. Question: The minimum amount necessary for self-sustained fission of a given nuclide is called what? Options: A. its critical mass B. its molar mass C. its half-life D. its activation energy Which option is correct and why?
The correct answer is: its critical mass.
What were the first photosynthetic organisms on earth?
[ "bacteria", "fungi", "trees", "mosses" ]
bacteria
Answer the following multiple-choice question. Question: What were the first photosynthetic organisms on earth? Options: A. bacteria B. fungi C. trees D. mosses Which option is correct and why?
The correct answer is: bacteria.
When an atom gains or loses an electron it becames an?
[ "ion", "neutron", "photon", "electron" ]
ion
Answer the following multiple-choice question. Question: When an atom gains or loses an electron it becames an? Options: A. ion B. neutron C. photon D. electron Which option is correct and why?
The correct answer is: ion.
What produces a diploid zygote?
[ "salamanders", "Plant reproduction", "peachleaf willow", "permineralization", "sexual reproduction", "Veins and arteries.", "Chlorophyll", "Most plants" ]
sexual reproduction
Answer the following multiple-choice question. Question: What produces a diploid zygote? Options: A. salamanders B. Plant reproduction C. peachleaf willow D. permineralization E. sexual reproduction F. Veins and arteries. G. Chlorophyll H. Most plants Which option is correct and why?
The correct answer is: sexual reproduction.
Which highly valuable substance found in jewelry has a density of about 19 g/cm^3?
[ "rubies", "silver", "gold", "diamonds" ]
gold
Answer the following multiple-choice question. Question: Which highly valuable substance found in jewelry has a density of about 19 g/cm^3? Options: A. rubies B. silver C. gold D. diamonds Which option is correct and why?
The correct answer is: gold.
On a morning when the weather is clear, the sky is
[ "bright", "cloudy", "stormy", "dark" ]
bright
Answer the following multiple-choice question. Question: On a morning when the weather is clear, the sky is Options: A. bright B. cloudy C. stormy D. dark Which option is correct and why?
The correct answer is: bright.
Someone who believes something despite the evidence is referred to by what term that references a false belief about our planet?
[ "conspiracy theorist", "solid - earther", "geocentric-earther", "flat-earther" ]
flat-earther
Answer the following multiple-choice question. Question: Someone who believes something despite the evidence is referred to by what term that references a false belief about our planet? Options: A. conspiracy theorist B. solid - earther C. geocentric-earther D. flat-earther Which option is correct and why?
The correct answer is: flat-earther.
Pushing a little kid on a swing is easy because they are light. It will require more strength to push when
[ "when he loses weight", "when he eats chicken", "seventy four plus five", "he's older and heavier" ]
he's older and heavier
Answer the following multiple-choice question. Question: Pushing a little kid on a swing is easy because they are light. It will require more strength to push when Options: A. when he loses weight B. when he eats chicken C. seventy four plus five D. he's older and heavier Which option is correct and why?
The correct answer is: he's older and heavier.
What component of a prokaryote is unique in molecular composition and mechanism of propulsion?
[ "the amoeba", "the sporangia", "the flagella", "the membrane" ]
the flagella
Answer the following multiple-choice question. Question: What component of a prokaryote is unique in molecular composition and mechanism of propulsion? Options: A. the amoeba B. the sporangia C. the flagella D. the membrane Which option is correct and why?
The correct answer is: the flagella.
The challenge of techniques used for proteomic analyses is the difficulty in detecting small quantities of what?
[ "proteins", "acids", "particles", "bacteria" ]
proteins
Answer the following multiple-choice question. Question: The challenge of techniques used for proteomic analyses is the difficulty in detecting small quantities of what? Options: A. proteins B. acids C. particles D. bacteria Which option is correct and why?
The correct answer is: proteins.