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if a person looked a their head in a mirror, and moved toward it, what would happen?
[ "the head would start to grow", "the head would disappear", "the head would start to shrink", "the head would explode" ]
the head would start to grow
Answer the following multiple-choice question. Question: if a person looked a their head in a mirror, and moved toward it, what would happen? Options: A. the head would start to grow B. the head would disappear C. the head would start to shrink D. the head would explode Which option is correct and why?
The correct answer is: the head would start to grow.
What mammalian feature serves functions such as filtration and keeping the body warm?
[ "hair", "sensory organs", "shivering", "sweat" ]
hair
Answer the following multiple-choice question. Question: What mammalian feature serves functions such as filtration and keeping the body warm? Options: A. hair B. sensory organs C. shivering D. sweat Which option is correct and why?
The correct answer is: hair.
A fan pushes air with
[ "forks", "straw", "rotating flat surface", "lumber" ]
rotating flat surface
Answer the following multiple-choice question. Question: A fan pushes air with Options: A. forks B. straw C. rotating flat surface D. lumber Which option is correct and why?
The correct answer is: rotating flat surface.
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You would use a lever to move a
[ "feather", "grain of sand", "drop of water", "safe" ]
safe
Answer the following multiple-choice question. Question: You would use a lever to move a Options: A. feather B. grain of sand C. drop of water D. safe Which option is correct and why?
The correct answer is: safe.
What is aggravated by practices such as logging, mining, construction, and paving surfaces?
[ "soil erosion", "global warming", "seismic activity", "water pollution" ]
soil erosion
Answer the following multiple-choice question. Question: What is aggravated by practices such as logging, mining, construction, and paving surfaces? Options: A. soil erosion B. global warming C. seismic activity D. water pollution Which option is correct and why?
The correct answer is: soil erosion.
If a person wants to decrease their risk of experiencing flooding
[ "they would live in a valley", "they would live on a mountaintop", "they would live in a flood plain", "they would live below sea level" ]
they would live on a mountaintop
Answer the following multiple-choice question. Question: If a person wants to decrease their risk of experiencing flooding Options: A. they would live in a valley B. they would live on a mountaintop C. they would live in a flood plain D. they would live below sea level Which option is correct and why?
The correct answer is: they would live on a mountaintop.
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What do mitochondrions have an inner and outer version of?
[ "Fatty Acids", "Molecule", "protein", "membrane" ]
membrane
Answer the following multiple-choice question. Question: What do mitochondrions have an inner and outer version of? Options: A. Fatty Acids B. Molecule C. protein D. membrane Which option is correct and why?
The correct answer is: membrane.
What is the purpose of your body's first line of defense?
[ "heal wounds", "to keep out pathogens", "reject foreign bodies", "fight or flight" ]
to keep out pathogens
Answer the following multiple-choice question. Question: What is the purpose of your body's first line of defense? Options: A. heal wounds B. to keep out pathogens C. reject foreign bodies D. fight or flight Which option is correct and why?
The correct answer is: to keep out pathogens.
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What results in changing from a gas into a liquid by reducing heat energy?
[ "exposure to cold", "degrees celcius", "molecules joining together", "rain or sun shine", "Warm air moving into cold air", "molecules separating", "molecules becoming nothing", "molecules exploding" ]
molecules joining together
Answer the following multiple-choice question. Question: What results in changing from a gas into a liquid by reducing heat energy? Options: A. exposure to cold B. degrees celcius C. molecules joining together D. rain or sun shine E. Warm air moving into cold air F. molecules separating G. molecules becoming nothing H. molecules exploding Which option is correct and why?
The correct answer is: molecules joining together.
The body of the simplest sponges takes the shape of a cylinder with a large central cavity, called?
[ "vacuole", "spongocoel", "spicule", "spirogyra" ]
spongocoel
Answer the following multiple-choice question. Question: The body of the simplest sponges takes the shape of a cylinder with a large central cavity, called? Options: A. vacuole B. spongocoel C. spicule D. spirogyra Which option is correct and why?
The correct answer is: spongocoel.
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A cougar eats
[ "unwary dandelions", "clouds", "carrots", "voles" ]
voles
Answer the following multiple-choice question. Question: A cougar eats Options: A. unwary dandelions B. clouds C. carrots D. voles Which option is correct and why?
The correct answer is: voles.
Electrons are located at fixed distances from the nucleus, what are they called?
[ "energy concentrations", "energy levels", "Energy layers", "Positive levels" ]
energy levels
Answer the following multiple-choice question. Question: Electrons are located at fixed distances from the nucleus, what are they called? Options: A. energy concentrations B. energy levels C. Energy layers D. Positive levels Which option is correct and why?
The correct answer is: energy levels.
Conifers are the most prevalent type of what plant group?
[ "gymnosperms", "algae", "angiosperms", "theropods" ]
gymnosperms
Answer the following multiple-choice question. Question: Conifers are the most prevalent type of what plant group? Options: A. gymnosperms B. algae C. angiosperms D. theropods Which option is correct and why?
The correct answer is: gymnosperms.
Which event can lead to the human caused change of an environment?
[ "seasonal storms", "annual flooding", "natural woodland fires", "clear cutting" ]
clear cutting
Answer the following multiple-choice question. Question: Which event can lead to the human caused change of an environment? Options: A. seasonal storms B. annual flooding C. natural woodland fires D. clear cutting Which option is correct and why?
The correct answer is: clear cutting.
What must organisms that live in marine biomes adapt to?
[ "heat or cold", "environment", "Deposition.", "buoyancy", "science", "evaporation", "metal", "sound" ]
buoyancy
Answer the following multiple-choice question. Question: What must organisms that live in marine biomes adapt to? Options: A. heat or cold B. environment C. Deposition. D. buoyancy E. science F. evaporation G. metal H. sound Which option is correct and why?
The correct answer is: buoyancy.
What are the most common roundworm parasites of people in the u. s.?
[ "cutworms", "pinworms", "leeches", "hookworms" ]
pinworms
Answer the following multiple-choice question. Question: What are the most common roundworm parasites of people in the u. s.? Options: A. cutworms B. pinworms C. leeches D. hookworms Which option is correct and why?
The correct answer is: pinworms.
What sea creature can sometimes be microscopic?
[ "squids", "a fish", "fungi", "tortoises", "fossils", "barnacles", "bacteria", "alpacas" ]
squids
Answer the following multiple-choice question. Question: What sea creature can sometimes be microscopic? Options: A. squids B. a fish C. fungi D. tortoises E. fossils F. barnacles G. bacteria H. alpacas Which option is correct and why?
The correct answer is: squids.
What process is used to chemically and mechanically break down the food you eat into smaller parts?
[ "regression", "digestion", "absorption", "filtration" ]
digestion
Answer the following multiple-choice question. Question: What process is used to chemically and mechanically break down the food you eat into smaller parts? Options: A. regression B. digestion C. absorption D. filtration Which option is correct and why?
The correct answer is: digestion.
what does the Earth being tilted on its rotating axis cause?
[ "exposure to cold", "degrees celcius", "death and devastation", "h2o", "degrees Celsius", "tornado", "the sun", "spring, summer, autumn, winter" ]
spring, summer, autumn, winter
Answer the following multiple-choice question. Question: what does the Earth being tilted on its rotating axis cause? Options: A. exposure to cold B. degrees celcius C. death and devastation D. h2o E. degrees Celsius F. tornado G. the sun H. spring, summer, autumn, winter Which option is correct and why?
The correct answer is: spring, summer, autumn, winter.
what helps insulate and protect the body
[ "layers of fat", "follicles within the skin", "with their fur", "the sun", "it has a positive impact on it", "electrons", "sound waves", "that material's properties" ]
follicles within the skin
Answer the following multiple-choice question. Question: what helps insulate and protect the body Options: A. layers of fat B. follicles within the skin C. with their fur D. the sun E. it has a positive impact on it F. electrons G. sound waves H. that material's properties Which option is correct and why?
The correct answer is: follicles within the skin.
Lobsters have special structures for:
[ "excretion", "Cooking", "produce light", "staying warm", "butter", "Maine", "layers of fat", "tastiness" ]
excretion
Answer the following multiple-choice question. Question: Lobsters have special structures for: Options: A. excretion B. Cooking C. produce light D. staying warm E. butter F. Maine G. layers of fat H. tastiness Which option is correct and why?
The correct answer is: excretion.
Tidal motion can be used to
[ "activate turbines on shore", "rock you to sleep", "smash waves on rocks", "light a dark pathway" ]
activate turbines on shore
Answer the following multiple-choice question. Question: Tidal motion can be used to Options: A. activate turbines on shore B. rock you to sleep C. smash waves on rocks D. light a dark pathway Which option is correct and why?
The correct answer is: activate turbines on shore.
What does meiosis cell division produce?
[ "Chemical energy", "rapid expansion", "ova and spermatozoa", "it keeps an organism warm", "Plant reproduction", "graptolites", "photosynthesis", "allow growth" ]
ova and spermatozoa
Answer the following multiple-choice question. Question: What does meiosis cell division produce? Options: A. Chemical energy B. rapid expansion C. ova and spermatozoa D. it keeps an organism warm E. Plant reproduction F. graptolites G. photosynthesis H. allow growth Which option is correct and why?
The correct answer is: ova and spermatozoa.
Hydropower requires beavers damming what?
[ "lakes with large rocks", "a hydraulic system", "organisms and their habitat", "streams with two branches", "water with old boards", "scarce resources", "fissures of hot, acidic water", "streams with fallen trees" ]
streams with fallen trees
Answer the following multiple-choice question. Question: Hydropower requires beavers damming what? Options: A. lakes with large rocks B. a hydraulic system C. organisms and their habitat D. streams with two branches E. water with old boards F. scarce resources G. fissures of hot, acidic water H. streams with fallen trees Which option is correct and why?
The correct answer is: streams with fallen trees.
Light reactions also release oxygen gas as a what?
[ "detritus product", "waste product", "strange process", "formal process" ]
waste product
Answer the following multiple-choice question. Question: Light reactions also release oxygen gas as a what? Options: A. detritus product B. waste product C. strange process D. formal process Which option is correct and why?
The correct answer is: waste product.
What are the two most abundant elements in the universe?
[ "hydrogen and oxygen", "oxygen and carbon", "nitrogen and carbon", "hydrogen and helium" ]
hydrogen and helium
Answer the following multiple-choice question. Question: What are the two most abundant elements in the universe? Options: A. hydrogen and oxygen B. oxygen and carbon C. nitrogen and carbon D. hydrogen and helium Which option is correct and why?
The correct answer is: hydrogen and helium.
What can be used to keep warm?
[ "hair", "eating steak", "wool", "fibers", "hats", "catching lobster", "fueling cars", "fur" ]
wool
Answer the following multiple-choice question. Question: What can be used to keep warm? Options: A. hair B. eating steak C. wool D. fibers E. hats F. catching lobster G. fueling cars H. fur Which option is correct and why?
The correct answer is: wool.
Plants supply, ultimately, most of the food eaten by terrestrial animals, along with what gas?
[ "hydrogen", "carbon dioxide", "oxygen", "nitrogen" ]
oxygen
Answer the following multiple-choice question. Question: Plants supply, ultimately, most of the food eaten by terrestrial animals, along with what gas? Options: A. hydrogen B. carbon dioxide C. oxygen D. nitrogen Which option is correct and why?
The correct answer is: oxygen.
a battery is a source of what that is able to produce light
[ "energy", "wire", "radiation", "heat energy", "sunlight", "oil", "electricity", "Solar energy" ]
electricity
Answer the following multiple-choice question. Question: a battery is a source of what that is able to produce light Options: A. energy B. wire C. radiation D. heat energy E. sunlight F. oil G. electricity H. Solar energy Which option is correct and why?
The correct answer is: electricity.
What are colonies of cells stuck to a surface called?
[ "biofilms", "cellular coating", "membranes", "membranes" ]
biofilms
Answer the following multiple-choice question. Question: What are colonies of cells stuck to a surface called? Options: A. biofilms B. cellular coating C. membranes D. membranes Which option is correct and why?
The correct answer is: biofilms.
Cold sores, influenza, and the common cold are all?
[ "trend infections", "viral infections", "anal infections", "digestive infections" ]
viral infections
Answer the following multiple-choice question. Question: Cold sores, influenza, and the common cold are all? Options: A. trend infections B. viral infections C. anal infections D. digestive infections Which option is correct and why?
The correct answer is: viral infections.
When writing with an instrument one sharpens, the leftovers when pressed to paper is
[ "a squid", "glowing", "a mineral", "bright white" ]
a mineral
Answer the following multiple-choice question. Question: When writing with an instrument one sharpens, the leftovers when pressed to paper is Options: A. a squid B. glowing C. a mineral D. bright white Which option is correct and why?
The correct answer is: a mineral.
What is the shortest phase of the sexual response cycle?
[ "sexual stimulation", "resolution phase", "the orgasm", "plateau phase" ]
the orgasm
Answer the following multiple-choice question. Question: What is the shortest phase of the sexual response cycle? Options: A. sexual stimulation B. resolution phase C. the orgasm D. plateau phase Which option is correct and why?
The correct answer is: the orgasm.
Fungi
[ "can do their food chain jobs without ingestion", "act as predators in the food chain", "are always safe to ingest", "occupy the top of the food chain" ]
can do their food chain jobs without ingestion
Answer the following multiple-choice question. Question: Fungi Options: A. can do their food chain jobs without ingestion B. act as predators in the food chain C. are always safe to ingest D. occupy the top of the food chain Which option is correct and why?
The correct answer is: can do their food chain jobs without ingestion.
Dutch elm trees used to be common, beautiful trees in the united states. now most of them have been killed by what?
[ "beetles", "cancer", "carbon dioxide", "dutch elm disease" ]
dutch elm disease
Answer the following multiple-choice question. Question: Dutch elm trees used to be common, beautiful trees in the united states. now most of them have been killed by what? Options: A. beetles B. cancer C. carbon dioxide D. dutch elm disease Which option is correct and why?
The correct answer is: dutch elm disease.
The posterior pituitary is an extension of what anatomical structure?
[ "hippocampus", "hypothalamus", "frontal lobe", "brain stem" ]
hypothalamus
Answer the following multiple-choice question. Question: The posterior pituitary is an extension of what anatomical structure? Options: A. hippocampus B. hypothalamus C. frontal lobe D. brain stem Which option is correct and why?
The correct answer is: hypothalamus.
What type of matter often sinks into cracks between rocks?
[ "vapor", "energy", "algae", "liquid" ]
liquid
Answer the following multiple-choice question. Question: What type of matter often sinks into cracks between rocks? Options: A. vapor B. energy C. algae D. liquid Which option is correct and why?
The correct answer is: liquid.
Ships are used to do what on oceans?
[ "dump air in", "take water from", "stability", "move people across", "put seeds in", "food and shelter", "lowered energy cost", "rapid expansion" ]
move people across
Answer the following multiple-choice question. Question: Ships are used to do what on oceans? Options: A. dump air in B. take water from C. stability D. move people across E. put seeds in F. food and shelter G. lowered energy cost H. rapid expansion Which option is correct and why?
The correct answer is: move people across.
As water increases in an environment the number of aquatic animals such as zooplankton, nekton, and benthos will
[ "on the up", "fall", "stagnate", "face extinction" ]
on the up
Answer the following multiple-choice question. Question: As water increases in an environment the number of aquatic animals such as zooplankton, nekton, and benthos will Options: A. on the up B. fall C. stagnate D. face extinction Which option is correct and why?
The correct answer is: on the up.
What are two ways you can save food?
[ "Fully cooking the oysters", "Burning fuel and air", "Bread it and fry it", "Water it down and drink it", "converting electricity to heat", "lowered energy cost", "Dehydration and salting", "Burn it and throw it away" ]
Dehydration and salting
Answer the following multiple-choice question. Question: What are two ways you can save food? Options: A. Fully cooking the oysters B. Burning fuel and air C. Bread it and fry it D. Water it down and drink it E. converting electricity to heat F. lowered energy cost G. Dehydration and salting H. Burn it and throw it away Which option is correct and why?
The correct answer is: Dehydration and salting.
What are the mineral deposits that fill in underground cracks called?
[ "motherlode", "veins", "cores", "currents" ]
veins
Answer the following multiple-choice question. Question: What are the mineral deposits that fill in underground cracks called? Options: A. motherlode B. veins C. cores D. currents Which option is correct and why?
The correct answer is: veins.
Whether the organism is a bacterium, plant, or animal, all living things access energy by breaking down these?
[ "carbohydrate molecules", "protein molecules", "lipid molecules", "oxygen molecules" ]
carbohydrate molecules
Answer the following multiple-choice question. Question: Whether the organism is a bacterium, plant, or animal, all living things access energy by breaking down these? Options: A. carbohydrate molecules B. protein molecules C. lipid molecules D. oxygen molecules Which option is correct and why?
The correct answer is: carbohydrate molecules.
What reads the genetic code in mRNA and give rise to emergent properties?
[ "A computer", "Plants growth", "Most plants", "translation", "animals", "interact", "sensory neurons", "more abundant" ]
translation
Answer the following multiple-choice question. Question: What reads the genetic code in mRNA and give rise to emergent properties? Options: A. A computer B. Plants growth C. Most plants D. translation E. animals F. interact G. sensory neurons H. more abundant Which option is correct and why?
The correct answer is: translation.
a connection is between the eye and what type of feet in echinoderms
[ "tube", "Seesaw", "vision", "made", "voles", "a path", "bones", "muscle" ]
tube
Answer the following multiple-choice question. Question: a connection is between the eye and what type of feet in echinoderms Options: A. tube B. Seesaw C. vision D. made E. voles F. a path G. bones H. muscle Which option is correct and why?
The correct answer is: tube.
What has a relatively complex circulatory system with a three-chambered heart?
[ "frogs", "a fish", "salmon", "alpacas", "Man", "Birds", "sharks", "pan" ]
frogs
Answer the following multiple-choice question. Question: What has a relatively complex circulatory system with a three-chambered heart? Options: A. frogs B. a fish C. salmon D. alpacas E. Man F. Birds G. sharks H. pan Which option is correct and why?
The correct answer is: frogs.
What system of the body is responsible for ultimately ridding it of waste and excess water?
[ "digestive system", "circulatory system", "respiratory system", "excretory system" ]
excretory system
Answer the following multiple-choice question. Question: What system of the body is responsible for ultimately ridding it of waste and excess water? Options: A. digestive system B. circulatory system C. respiratory system D. excretory system Which option is correct and why?
The correct answer is: excretory system.
Prokaryotes are single celled living things in the animal kingdom that don't have a what?
[ "epidermal", "genus", "complex", "extinction", "food", "nucleus", "properties", "alleles" ]
nucleus
Answer the following multiple-choice question. Question: Prokaryotes are single celled living things in the animal kingdom that don't have a what? Options: A. epidermal B. genus C. complex D. extinction E. food F. nucleus G. properties H. alleles Which option is correct and why?
The correct answer is: nucleus.
What do tadpoles change into?
[ "reptiles", "adult frogs", "mud puppies", "toads" ]
adult frogs
Answer the following multiple-choice question. Question: What do tadpoles change into? Options: A. reptiles B. adult frogs C. mud puppies D. toads Which option is correct and why?
The correct answer is: adult frogs.
Magma pours out a volcano and what off a cliff
[ "drips", "suspends", "freezes", "sticks" ]
drips
Answer the following multiple-choice question. Question: Magma pours out a volcano and what off a cliff Options: A. drips B. suspends C. freezes D. sticks Which option is correct and why?
The correct answer is: drips.
what process must occur to form clouds?
[ "thunderstorms", "Movement of an air mass", "evaporation", "nimbus", "snow", "water evaporating", "chemical changes", "cloudy and rainy weather" ]
water evaporating
Answer the following multiple-choice question. Question: what process must occur to form clouds? Options: A. thunderstorms B. Movement of an air mass C. evaporation D. nimbus E. snow F. water evaporating G. chemical changes H. cloudy and rainy weather Which option is correct and why?
The correct answer is: water evaporating.
what is in limestone?
[ "abrasion", "fossils", "an anion", "acid", "nitrogen", "gypsum", "carbon", "NaCl" ]
carbon
Answer the following multiple-choice question. Question: what is in limestone? Options: A. abrasion B. fossils C. an anion D. acid E. nitrogen F. gypsum G. carbon H. NaCl Which option is correct and why?
The correct answer is: carbon.
What has a circulatory system with a two-chambered heart?
[ "sharks", "insects", "salmon", "animals", "barnacles", "mammals", "tortoises", "alpacas" ]
salmon
Answer the following multiple-choice question. Question: What has a circulatory system with a two-chambered heart? Options: A. sharks B. insects C. salmon D. animals E. barnacles F. mammals G. tortoises H. alpacas Which option is correct and why?
The correct answer is: salmon.
powering an electrical device with a battery requires a path for electrons to what?
[ "hydrogen and oxygen", "spread out", "electromagnetic energy", "cut the line", "flow continuously", "an electron microscope", "flood", "kinetic energy" ]
flow continuously
Answer the following multiple-choice question. Question: powering an electrical device with a battery requires a path for electrons to what? Options: A. hydrogen and oxygen B. spread out C. electromagnetic energy D. cut the line E. flow continuously F. an electron microscope G. flood H. kinetic energy Which option is correct and why?
The correct answer is: flow continuously.
What propagates mangoes?
[ "bees", "ice", "orchids", "flowers", "bushes", "clouds", "animals", "boats" ]
animals
Answer the following multiple-choice question. Question: What propagates mangoes? Options: A. bees B. ice C. orchids D. flowers E. bushes F. clouds G. animals H. boats Which option is correct and why?
The correct answer is: animals.
What are the largest phylum of the animal kingdom?
[ "Pycnogonida", "Crustacea", "arthropods", "Chelicerata" ]
arthropods
Answer the following multiple-choice question. Question: What are the largest phylum of the animal kingdom? Options: A. Pycnogonida B. Crustacea C. arthropods D. Chelicerata Which option is correct and why?
The correct answer is: arthropods.
One of the fundamental laws of chemistry deals with the fact that we cannot create or destroy what?
[ "stars", "time", "protein", "matter" ]
matter
Answer the following multiple-choice question. Question: One of the fundamental laws of chemistry deals with the fact that we cannot create or destroy what? Options: A. stars B. time C. protein D. matter Which option is correct and why?
The correct answer is: matter.
A flashlight battery stores what inside?
[ "hydrogen and oxygen", "chemical energy.", "Calcium carbonate", "motion", "electricity", "heat", "light", "objects that have mass" ]
chemical energy.
Answer the following multiple-choice question. Question: A flashlight battery stores what inside? Options: A. hydrogen and oxygen B. chemical energy. C. Calcium carbonate D. motion E. electricity F. heat G. light H. objects that have mass Which option is correct and why?
The correct answer is: chemical energy..
What is used for detecting prey and avoiding danger by animals?
[ "messengers", "feeding", "hiding", "hearing", "hormones", "eating", "energy", "the eyes" ]
hearing
Answer the following multiple-choice question. Question: What is used for detecting prey and avoiding danger by animals? Options: A. messengers B. feeding C. hiding D. hearing E. hormones F. eating G. energy H. the eyes Which option is correct and why?
The correct answer is: hearing.
Erosion breaks rocks down from larger parts into what?
[ "river", "ground", "soil", "small", "dirt", "tiny", "crust", "sand" ]
soil
Answer the following multiple-choice question. Question: Erosion breaks rocks down from larger parts into what? Options: A. river B. ground C. soil D. small E. dirt F. tiny G. crust H. sand Which option is correct and why?
The correct answer is: soil.
The electronegativity of an element increases with increasing of what state?
[ "oxidation", "evaporation", "isolation", "conduction" ]
oxidation
Answer the following multiple-choice question. Question: The electronegativity of an element increases with increasing of what state? Options: A. oxidation B. evaporation C. isolation D. conduction Which option is correct and why?
The correct answer is: oxidation.
How many revolutions does the moon make around the Earth during spring?
[ "twelve", "three", "one", "six" ]
three
Answer the following multiple-choice question. Question: How many revolutions does the moon make around the Earth during spring? Options: A. twelve B. three C. one D. six Which option is correct and why?
The correct answer is: three.
When the digestive system is working
[ "it is bad to eat", "it is dismantling nutrients", "food is cleared out", "it is time for dinner" ]
it is dismantling nutrients
Answer the following multiple-choice question. Question: When the digestive system is working Options: A. it is bad to eat B. it is dismantling nutrients C. food is cleared out D. it is time for dinner Which option is correct and why?
The correct answer is: it is dismantling nutrients.
The colorless, odorless gas released when we breath is carbon dioxide. the harmful colorless, odorless gas released when matter is burned is what?
[ "carbon monoxide", "methane", "carbon trioxide", "acid monoxide" ]
carbon monoxide
Answer the following multiple-choice question. Question: The colorless, odorless gas released when we breath is carbon dioxide. the harmful colorless, odorless gas released when matter is burned is what? Options: A. carbon monoxide B. methane C. carbon trioxide D. acid monoxide Which option is correct and why?
The correct answer is: carbon monoxide.
What can a laser produce?
[ "energy", "power", "a beanstalk", "a flowering plant", "fibers", "a wave", "a ray", "a piece of paper" ]
a ray
Answer the following multiple-choice question. Question: What can a laser produce? Options: A. energy B. power C. a beanstalk D. a flowering plant E. fibers F. a wave G. a ray H. a piece of paper Which option is correct and why?
The correct answer is: a ray.
What term describes anything that occupies space and has mass, and is generally divided into three states?
[ "galaxy", "lquid", "stuff", "matter" ]
matter
Answer the following multiple-choice question. Question: What term describes anything that occupies space and has mass, and is generally divided into three states? Options: A. galaxy B. lquid C. stuff D. matter Which option is correct and why?
The correct answer is: matter.
What are the major types anchoring proteins?
[ "semimetals and occludins", "claudins and occludins", "claudins and semimetals", "amino and fatty acids" ]
claudins and occludins
Answer the following multiple-choice question. Question: What are the major types anchoring proteins? Options: A. semimetals and occludins B. claudins and occludins C. claudins and semimetals D. amino and fatty acids Which option is correct and why?
The correct answer is: claudins and occludins.
Which eats other creatures?
[ "rainbows", "cows", "lynx", "rabbits" ]
lynx
Answer the following multiple-choice question. Question: Which eats other creatures? Options: A. rainbows B. cows C. lynx D. rabbits Which option is correct and why?
The correct answer is: lynx.
pressure in what is highest in arteries and lowest in veins?
[ "Joules", "Decibels", "It decreases", "protein walls", "skin tags", "forces", "vessel walls", "cell walls" ]
vessel walls
Answer the following multiple-choice question. Question: pressure in what is highest in arteries and lowest in veins? Options: A. Joules B. Decibels C. It decreases D. protein walls E. skin tags F. forces G. vessel walls H. cell walls Which option is correct and why?
The correct answer is: vessel walls.
what are cells the microscopic building blocks of?
[ "gravity", "animals", "density", "trees", "a fish", "plants", "weathering", "bacteria" ]
plants
Answer the following multiple-choice question. Question: what are cells the microscopic building blocks of? Options: A. gravity B. animals C. density D. trees E. a fish F. plants G. weathering H. bacteria Which option is correct and why?
The correct answer is: plants.
The earth being tilted on its axis causes what?
[ "happiness", "solar flares", "temp changes", "earthquakes" ]
temp changes
Answer the following multiple-choice question. Question: The earth being tilted on its axis causes what? Options: A. happiness B. solar flares C. temp changes D. earthquakes Which option is correct and why?
The correct answer is: temp changes.
During karyogamy, the haploid nuclei contributed by the two parents fuse, which produces what?
[ "cancer cells", "mutated cells", "diploid cells", "arisen cells" ]
diploid cells
Answer the following multiple-choice question. Question: During karyogamy, the haploid nuclei contributed by the two parents fuse, which produces what? Options: A. cancer cells B. mutated cells C. diploid cells D. arisen cells Which option is correct and why?
The correct answer is: diploid cells.
When does water freeze into ice?
[ "colder weather", "Under 32 degrees", "Physical weathering", "evaporation", "vaporization", "Never", "Only at 32 degrees", "Over 32 degrees" ]
Under 32 degrees
Answer the following multiple-choice question. Question: When does water freeze into ice? Options: A. colder weather B. Under 32 degrees C. Physical weathering D. evaporation E. vaporization F. Never G. Only at 32 degrees H. Over 32 degrees Which option is correct and why?
The correct answer is: Under 32 degrees.
Which is loudest?
[ "a soft kiss", "a flea fart", "a whisper", "a motor" ]
a motor
Answer the following multiple-choice question. Question: Which is loudest? Options: A. a soft kiss B. a flea fart C. a whisper D. a motor Which option is correct and why?
The correct answer is: a motor.
What is converted in a flashlight?
[ "hydrogen and oxygen", "adding heat", "an electron lens", "hydrogen to water", "chemicals to light", "batteries into solar", "heat into light", "chlorofluorocarbons" ]
chemicals to light
Answer the following multiple-choice question. Question: What is converted in a flashlight? Options: A. hydrogen and oxygen B. adding heat C. an electron lens D. hydrogen to water E. chemicals to light F. batteries into solar G. heat into light H. chlorofluorocarbons Which option is correct and why?
The correct answer is: chemicals to light.
What separates and strongly unites bodies of adjacent vertebrae?
[ "synovial fluid", "collagen fibers", "intervertebral disc", "interstitial fluid" ]
intervertebral disc
Answer the following multiple-choice question. Question: What separates and strongly unites bodies of adjacent vertebrae? Options: A. synovial fluid B. collagen fibers C. intervertebral disc D. interstitial fluid Which option is correct and why?
The correct answer is: intervertebral disc.
in order for utility of a tool to occur, what has to happen first?
[ "it needs to be cleaned", "none of these", "it needs to be baptized", "it needs to be invented" ]
it needs to be invented
Answer the following multiple-choice question. Question: in order for utility of a tool to occur, what has to happen first? Options: A. it needs to be cleaned B. none of these C. it needs to be baptized D. it needs to be invented Which option is correct and why?
The correct answer is: it needs to be invented.
Where do all plants come from?
[ "cetacean ancestors", "distant ancestors", "phylogenetic ancestors", "terrestrial ancestors" ]
terrestrial ancestors
Answer the following multiple-choice question. Question: Where do all plants come from? Options: A. cetacean ancestors B. distant ancestors C. phylogenetic ancestors D. terrestrial ancestors Which option is correct and why?
The correct answer is: terrestrial ancestors.
What is the opposite of melting?
[ "freezing", "liquidation", "evaporation", "compression" ]
freezing
Answer the following multiple-choice question. Question: What is the opposite of melting? Options: A. freezing B. liquidation C. evaporation D. compression Which option is correct and why?
The correct answer is: freezing.
What is the name of the the most efficient possible engine?
[ "carnot engine", "excitation engine", "ventilation engine", "diesel engine" ]
carnot engine
Answer the following multiple-choice question. Question: What is the name of the the most efficient possible engine? Options: A. carnot engine B. excitation engine C. ventilation engine D. diesel engine Which option is correct and why?
The correct answer is: carnot engine.
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What forms sandbars?
[ "soils", "rivers", "cellulose", "Collagen", "streams", "soft soil", "flooding", "rain" ]
rivers
Answer the following multiple-choice question. Question: What forms sandbars? Options: A. soils B. rivers C. cellulose D. Collagen E. streams F. soft soil G. flooding H. rain Which option is correct and why?
The correct answer is: rivers.
The skeletal system protects the
[ "ears", "stomach", "nose", "thighs" ]
stomach
Answer the following multiple-choice question. Question: The skeletal system protects the Options: A. ears B. stomach C. nose D. thighs Which option is correct and why?
The correct answer is: stomach.
The modern atomic theory states that all matter is composed of what?
[ "quarks", "molecules", "atoms", "ions" ]
atoms
Answer the following multiple-choice question. Question: The modern atomic theory states that all matter is composed of what? Options: A. quarks B. molecules C. atoms D. ions Which option is correct and why?
The correct answer is: atoms.
A puppy is sitting in a yard and is at the door, asking to come in. A person looks out the door and sees the pup tremble, so the person can tell that
[ "the dog is lonely", "the temps have dropped", "the puppy is happy", "the pup is strong" ]
the temps have dropped
Answer the following multiple-choice question. Question: A puppy is sitting in a yard and is at the door, asking to come in. A person looks out the door and sees the pup tremble, so the person can tell that Options: A. the dog is lonely B. the temps have dropped C. the puppy is happy D. the pup is strong Which option is correct and why?
The correct answer is: the temps have dropped.
How many sections does a fish heart have?
[ "ovum", "fat", "four", "p53", "two", "cut", "bone", "stem" ]
two
Answer the following multiple-choice question. Question: How many sections does a fish heart have? Options: A. ovum B. fat C. four D. p53 E. two F. cut G. bone H. stem Which option is correct and why?
The correct answer is: two.
What is the spread of cancer cells beyond their original site called?
[ "scattering", "apoptosis", "mutations", "metastasis" ]
metastasis
Answer the following multiple-choice question. Question: What is the spread of cancer cells beyond their original site called? Options: A. scattering B. apoptosis C. mutations D. metastasis Which option is correct and why?
The correct answer is: metastasis.
What is aging associated with?
[ "rapid expansion", "massive damage", "burning coal", "Smoking", "energy usage", "It decreases", "infarction", "smoking tobacco" ]
infarction
Answer the following multiple-choice question. Question: What is aging associated with? Options: A. rapid expansion B. massive damage C. burning coal D. Smoking E. energy usage F. It decreases G. infarction H. smoking tobacco Which option is correct and why?
The correct answer is: infarction.
What animal found on Earth would belong to the phylum Platyhelmintes?
[ "bilaterally symmetrical worms", "Something with a head, thorax, and abdomen", "remains of prehistoric life", "Something that makes plants green", "Microscopic organisms", "female sex cells", "it helps plants in growing", "share properties" ]
bilaterally symmetrical worms
Answer the following multiple-choice question. Question: What animal found on Earth would belong to the phylum Platyhelmintes? Options: A. bilaterally symmetrical worms B. Something with a head, thorax, and abdomen C. remains of prehistoric life D. Something that makes plants green E. Microscopic organisms F. female sex cells G. it helps plants in growing H. share properties Which option is correct and why?
The correct answer is: bilaterally symmetrical worms.
Feathers help birds fly and what?
[ "staying warm", "keep warm", "Absorb light", "allow growth", "keep birds", "protect them", "keep cool", "keep grounded" ]
keep warm
Answer the following multiple-choice question. Question: Feathers help birds fly and what? Options: A. staying warm B. keep warm C. Absorb light D. allow growth E. keep birds F. protect them G. keep cool H. keep grounded Which option is correct and why?
The correct answer is: keep warm.
What are the female gametes that form in the ovaries?
[ "eggs", "genes", "spermatozoa", "sperm" ]
eggs
Answer the following multiple-choice question. Question: What are the female gametes that form in the ovaries? Options: A. eggs B. genes C. spermatozoa D. sperm Which option is correct and why?
The correct answer is: eggs.
Secondary vascular tissues are employed by bamboo and what other kind of tree?
[ "plants", "ferns", "grass", "coniferous", "Trees", "elms", "palm", "deciduous" ]
palm
Answer the following multiple-choice question. Question: Secondary vascular tissues are employed by bamboo and what other kind of tree? Options: A. plants B. ferns C. grass D. coniferous E. Trees F. elms G. palm H. deciduous Which option is correct and why?
The correct answer is: palm.
In a food chain, what group of organisms breaks down animal remains and wastes to get energy?
[ "producers", "primary consumers", "decomposers", "detritivores" ]
decomposers
Answer the following multiple-choice question. Question: In a food chain, what group of organisms breaks down animal remains and wastes to get energy? Options: A. producers B. primary consumers C. decomposers D. detritivores Which option is correct and why?
The correct answer is: decomposers.
Herbivores eat producers or other what?
[ "roadkill", "Most plants", "living things", "scarce resources", "carcasses", "dead things", "Chemical energy", "Organic compounds" ]
living things
Answer the following multiple-choice question. Question: Herbivores eat producers or other what? Options: A. roadkill B. Most plants C. living things D. scarce resources E. carcasses F. dead things G. Chemical energy H. Organic compounds Which option is correct and why?
The correct answer is: living things.
Birds have a relatively large heart and a rapid what?
[ "heart rate", "digestive process", "blink rate", "lifespan" ]
heart rate
Answer the following multiple-choice question. Question: Birds have a relatively large heart and a rapid what? Options: A. heart rate B. digestive process C. blink rate D. lifespan Which option is correct and why?
The correct answer is: heart rate.
How do mammals learn to behave?
[ "reusing things", "Riding a bike", "adding heat", "sound", "Movement", "exercise", "Having fun", "sweating" ]
Having fun
Answer the following multiple-choice question. Question: How do mammals learn to behave? Options: A. reusing things B. Riding a bike C. adding heat D. sound E. Movement F. exercise G. Having fun H. sweating Which option is correct and why?
The correct answer is: Having fun.
What does not change mass?
[ "an object", "gravity", "density", "bullfrogs", "Energy.", "blastoids", "melting", "volume" ]
melting
Answer the following multiple-choice question. Question: What does not change mass? Options: A. an object B. gravity C. density D. bullfrogs E. Energy. F. blastoids G. melting H. volume Which option is correct and why?
The correct answer is: melting.