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Who is most likely to die of old age?
[ "adults", "children", "infants", "reasonable high-school students" ]
adults
Answer the following multiple-choice question. Question: Who is most likely to die of old age? Options: A. adults B. children C. infants D. reasonable high-school students Which option is correct and why?
The correct answer is: adults.
A
what adults are barrel-shaped?
[ "sea squirts", "fertile", "homogenous", "reproduce", "Length", "insects", "barnacles", "survive" ]
sea squirts
Answer the following multiple-choice question. Question: what adults are barrel-shaped? Options: A. sea squirts B. fertile C. homogenous D. reproduce E. Length F. insects G. barnacles H. survive Which option is correct and why?
The correct answer is: sea squirts.
A
What is the name of the process for delivering water to crops?
[ "drainage", "irrigation", "bilge", "reclamation" ]
irrigation
Answer the following multiple-choice question. Question: What is the name of the process for delivering water to crops? Options: A. drainage B. irrigation C. bilge D. reclamation Which option is correct and why?
The correct answer is: irrigation.
B
What is the process called in which living things produce offspring?
[ "variation", "diversification", "photosynthesis", "reproduction" ]
reproduction
Answer the following multiple-choice question. Question: What is the process called in which living things produce offspring? Options: A. variation B. diversification C. photosynthesis D. reproduction Which option is correct and why?
The correct answer is: reproduction.
D
What is the process in which many new species evolve in a short period of time to fill available niches called?
[ "spontaneous mutation", "learned behavior", "adaptive radiation", "adaptation" ]
adaptive radiation
Answer the following multiple-choice question. Question: What is the process in which many new species evolve in a short period of time to fill available niches called? Options: A. spontaneous mutation B. learned behavior C. adaptive radiation D. adaptation Which option is correct and why?
The correct answer is: adaptive radiation.
C
After a long winter's hibernation, a female bear and her two cubs exit their cave and begin to search for food. One place they check is
[ "dry sticks", "dirt pile", "berry bushes", "dead leaves" ]
berry bushes
Answer the following multiple-choice question. Question: After a long winter's hibernation, a female bear and her two cubs exit their cave and begin to search for food. One place they check is Options: A. dry sticks B. dirt pile C. berry bushes D. dead leaves Which option is correct and why?
The correct answer is: berry bushes.
C
A wave that consists of vibrating electric and magnetic fields is called what?
[ "mechanical wave", "propagate wave", "thermal wave", "electromagnetic wave" ]
electromagnetic wave
Answer the following multiple-choice question. Question: A wave that consists of vibrating electric and magnetic fields is called what? Options: A. mechanical wave B. propagate wave C. thermal wave D. electromagnetic wave Which option is correct and why?
The correct answer is: electromagnetic wave.
D
What type of terrain has little wildlife?
[ "Woods", "Volcanic", "Flatland", "Winter", "dry and hot", "threatened", "Steppe", "lack" ]
Volcanic
Answer the following multiple-choice question. Question: What type of terrain has little wildlife? Options: A. Woods B. Volcanic C. Flatland D. Winter E. dry and hot F. threatened G. Steppe H. lack Which option is correct and why?
The correct answer is: Volcanic.
B
Something that can cause many human diseases can be what?
[ "deadly and devastating", "Disease textbooks", "harmful substances", "Microscopic organisms", "Human thoughts", "destroying life", "Human emotions", "Created by a natural process." ]
Created by a natural process.
Answer the following multiple-choice question. Question: Something that can cause many human diseases can be what? Options: A. deadly and devastating B. Disease textbooks C. harmful substances D. Microscopic organisms E. Human thoughts F. destroying life G. Human emotions H. Created by a natural process. Which option is correct and why?
The correct answer is: Created by a natural process..
A
What can form a black hole if it collapses?
[ "heat", "a prism", "nucleus", "sun's heat", "forces", "an object", "the Sun", "starfish" ]
the Sun
Answer the following multiple-choice question. Question: What can form a black hole if it collapses? Options: A. heat B. a prism C. nucleus D. sun's heat E. forces F. an object G. the Sun H. starfish Which option is correct and why?
The correct answer is: the Sun.
A
Which of the following would occur in nature?
[ "an osprey catches a fish with claws", "a fish catches a fish with its claws", "a dog catches a fish with its claws", "a worm catches a fish with its claws" ]
an osprey catches a fish with claws
Answer the following multiple-choice question. Question: Which of the following would occur in nature? Options: A. an osprey catches a fish with claws B. a fish catches a fish with its claws C. a dog catches a fish with its claws D. a worm catches a fish with its claws Which option is correct and why?
The correct answer is: an osprey catches a fish with claws.
A
In a photosystem, pigments in the light-harvesting complex pass light energy to two special molecules of what in the reaction center?
[ "carbonate", "calcium", "chlorophyll", "nutrient" ]
chlorophyll
Answer the following multiple-choice question. Question: In a photosystem, pigments in the light-harvesting complex pass light energy to two special molecules of what in the reaction center? Options: A. carbonate B. calcium C. chlorophyll D. nutrient Which option is correct and why?
The correct answer is: chlorophyll.
C
A person loves spring, and it has just passed by. They will enjoy it again the next time
[ "the stars go out", "most irises begins budding", "a week goes by", "the days grow shorter" ]
most irises begins budding
Answer the following multiple-choice question. Question: A person loves spring, and it has just passed by. They will enjoy it again the next time Options: A. the stars go out B. most irises begins budding C. a week goes by D. the days grow shorter Which option is correct and why?
The correct answer is: most irises begins budding.
B
When a squid moves forward, water is
[ "pushed directly behind it", "pushed up and below it", "evaporated by salt water", "pushed in front of it" ]
pushed directly behind it
Answer the following multiple-choice question. Question: When a squid moves forward, water is Options: A. pushed directly behind it B. pushed up and below it C. evaporated by salt water D. pushed in front of it Which option is correct and why?
The correct answer is: pushed directly behind it.
A
Drip iirigation requires less water and reduces what?
[ "bacteria", "sediment", "salinization", "moisture" ]
salinization
Answer the following multiple-choice question. Question: Drip iirigation requires less water and reduces what? Options: A. bacteria B. sediment C. salinization D. moisture Which option is correct and why?
The correct answer is: salinization.
C
A rubber band stretched too thin will have particles what?
[ "tiny", "kinetic", "Energy.", "break off", "vibrate", "an object", "imbalanced", "energy" ]
vibrate
Answer the following multiple-choice question. Question: A rubber band stretched too thin will have particles what? Options: A. tiny B. kinetic C. Energy. D. break off E. vibrate F. an object G. imbalanced H. energy Which option is correct and why?
The correct answer is: vibrate.
E
What property do germs have that can make people sick?
[ "coded genes", "hyperthyroidism", "hypothyroidism", "chickenpox", "smallpox", "viruses", "Echinoids", "resistance" ]
resistance
Answer the following multiple-choice question. Question: What property do germs have that can make people sick? Options: A. coded genes B. hyperthyroidism C. hypothyroidism D. chickenpox E. smallpox F. viruses G. Echinoids H. resistance Which option is correct and why?
The correct answer is: resistance.
A
What do all vertebrates have?
[ "sensory neurons", "characteristics", "a complete digestive system", "Veins and arteries.", "sub-units of species", "wings and feathers", "gills", "gizzard" ]
a complete digestive system
Answer the following multiple-choice question. Question: What do all vertebrates have? Options: A. sensory neurons B. characteristics C. a complete digestive system D. Veins and arteries. E. sub-units of species F. wings and feathers G. gills H. gizzard Which option is correct and why?
The correct answer is: a complete digestive system.
C
what produces amniotic eggs?
[ "fluid", "spiders", "scrambled", "a fish", "sharks", "snakes", "animals", "tortoises" ]
snakes
Answer the following multiple-choice question. Question: what produces amniotic eggs? Options: A. fluid B. spiders C. scrambled D. a fish E. sharks F. snakes G. animals H. tortoises Which option is correct and why?
The correct answer is: snakes.
A
What is a specific region in space within which a sensory receptor is responsive to stimuli?
[ "receptive field", "amplify field", "deceptive field", "symmetrical field" ]
receptive field
Answer the following multiple-choice question. Question: What is a specific region in space within which a sensory receptor is responsive to stimuli? Options: A. receptive field B. amplify field C. deceptive field D. symmetrical field Which option is correct and why?
The correct answer is: receptive field.
A
An invasion of bacteria on the body can cause body tissue to do what?
[ "swell", "soften", "adapt", "shrink", "dissolve", "growth", "Injury", "death" ]
swell
Answer the following multiple-choice question. Question: An invasion of bacteria on the body can cause body tissue to do what? Options: A. swell B. soften C. adapt D. shrink E. dissolve F. growth G. Injury H. death Which option is correct and why?
The correct answer is: swell.
A
What type of electrons are electrons that are not confined to the bond between two atoms?
[ "delocalized", "virtualized", "internalized", "detached" ]
delocalized
Answer the following multiple-choice question. Question: What type of electrons are electrons that are not confined to the bond between two atoms? Options: A. delocalized B. virtualized C. internalized D. detached Which option is correct and why?
The correct answer is: delocalized.
A
What is the most common type of capillary?
[ "channels", "ending", "continuous", "large" ]
continuous
Answer the following multiple-choice question. Question: What is the most common type of capillary? Options: A. channels B. ending C. continuous D. large Which option is correct and why?
The correct answer is: continuous.
C
what gets energy from sunlight?
[ "organisms and their habitat", "Earth orbiting the Sun", "Microscopic organisms", "peachleaf willow", "caves", "density", "objects that have mass", "ocean floor" ]
organisms and their habitat
Answer the following multiple-choice question. Question: what gets energy from sunlight? Options: A. organisms and their habitat B. Earth orbiting the Sun C. Microscopic organisms D. peachleaf willow E. caves F. density G. objects that have mass H. ocean floor Which option is correct and why?
The correct answer is: organisms and their habitat.
A
the mantle is
[ "a level of our planet", "the planet closest to ours", "a kind of rock found on Earth", "the deepest part of our planet" ]
a level of our planet
Answer the following multiple-choice question. Question: the mantle is Options: A. a level of our planet B. the planet closest to ours C. a kind of rock found on Earth D. the deepest part of our planet Which option is correct and why?
The correct answer is: a level of our planet.
A
After the moon phase where you can see nothing of the moon, what comes next?
[ "the full moon", "the last quarter", "the first quarter", "the half moon" ]
the first quarter
Answer the following multiple-choice question. Question: After the moon phase where you can see nothing of the moon, what comes next? Options: A. the full moon B. the last quarter C. the first quarter D. the half moon Which option is correct and why?
The correct answer is: the first quarter.
C
When a wolf is buried what will happen to other wolves?
[ "small change", "learn to fly", "less of them", "more of them" ]
less of them
Answer the following multiple-choice question. Question: When a wolf is buried what will happen to other wolves? Options: A. small change B. learn to fly C. less of them D. more of them Which option is correct and why?
The correct answer is: less of them.
C
What needs to happen to temperature to cause pressure to increase dramatically?
[ "large increase", "no increase", "boiling point", "small increase" ]
large increase
Answer the following multiple-choice question. Question: What needs to happen to temperature to cause pressure to increase dramatically? Options: A. large increase B. no increase C. boiling point D. small increase Which option is correct and why?
The correct answer is: large increase.
A
What happens to energy when an atom gains an electron?
[ "it is folded", "it is used", "it is released", "it increases" ]
it is released
Answer the following multiple-choice question. Question: What happens to energy when an atom gains an electron? Options: A. it is folded B. it is used C. it is released D. it increases Which option is correct and why?
The correct answer is: it is released.
C
What kind of bonds are forces of attraction between positive metal ions and the valence electrons that are constantly moving around them?
[ "neutron bonds", "metallic bonds", "liquid bonds", "ionized bonds" ]
metallic bonds
Answer the following multiple-choice question. Question: What kind of bonds are forces of attraction between positive metal ions and the valence electrons that are constantly moving around them? Options: A. neutron bonds B. metallic bonds C. liquid bonds D. ionized bonds Which option is correct and why?
The correct answer is: metallic bonds.
B
Choosing to not smoke and using sunscreen are examples of lifestyle choices that help prevent forms of what disease?
[ "pnemonia", "cancer", "viral disease", "bacterial disease" ]
cancer
Answer the following multiple-choice question. Question: Choosing to not smoke and using sunscreen are examples of lifestyle choices that help prevent forms of what disease? Options: A. pnemonia B. cancer C. viral disease D. bacterial disease Which option is correct and why?
The correct answer is: cancer.
B
what are used to reproduce?
[ "flagella", "nectar", "ocean", "bacteria", "sound", "eggs", "ferns", "bulbs" ]
eggs
Answer the following multiple-choice question. Question: what are used to reproduce? Options: A. flagella B. nectar C. ocean D. bacteria E. sound F. eggs G. ferns H. bulbs Which option is correct and why?
The correct answer is: eggs.
A
What atmosphere do gills help exchange gas in?
[ "ecosystem", "water", "air", "stratosphere" ]
water
Answer the following multiple-choice question. Question: What atmosphere do gills help exchange gas in? Options: A. ecosystem B. water C. air D. stratosphere Which option is correct and why?
The correct answer is: water.
B
Poultry can cause what?
[ "disease", "chickenpox", "heat", "Parkinson's", "murmur", "illness", "autism", "cancer" ]
illness
Answer the following multiple-choice question. Question: Poultry can cause what? Options: A. disease B. chickenpox C. heat D. Parkinson's E. murmur F. illness G. autism H. cancer Which option is correct and why?
The correct answer is: illness.
A
What type of waves carry energy through matter or space as vibrating electric and magnetic fields?
[ "sound waves", "light waves", "electromagnetic waves", "mechanical waves" ]
electromagnetic waves
Answer the following multiple-choice question. Question: What type of waves carry energy through matter or space as vibrating electric and magnetic fields? Options: A. sound waves B. light waves C. electromagnetic waves D. mechanical waves Which option is correct and why?
The correct answer is: electromagnetic waves.
C
The number of protons in an atom is called what?
[ "isotope", "atomic number", "mass number", "metallic number" ]
atomic number
Answer the following multiple-choice question. Question: The number of protons in an atom is called what? Options: A. isotope B. atomic number C. mass number D. metallic number Which option is correct and why?
The correct answer is: atomic number.
B
Explosions destroy
[ "Air", "communities", "darkness", "Sunlight" ]
communities
Answer the following multiple-choice question. Question: Explosions destroy Options: A. Air B. communities C. darkness D. Sunlight Which option is correct and why?
The correct answer is: communities.
B
When light is absorbed by a material, what may increase?
[ "mass", "happiness", "weight", "its temperature" ]
its temperature
Answer the following multiple-choice question. Question: When light is absorbed by a material, what may increase? Options: A. mass B. happiness C. weight D. its temperature Which option is correct and why?
The correct answer is: its temperature.
D
What term is used to describe viruses that live in a dormant state inside the body?
[ "dorment", "latency", "hidden", "potential" ]
latency
Answer the following multiple-choice question. Question: What term is used to describe viruses that live in a dormant state inside the body? Options: A. dorment B. latency C. hidden D. potential Which option is correct and why?
The correct answer is: latency.
B
What do we call the scientific study of heredity and hereditary variation?
[ "chemistry", "biology", "genetics", "geneology" ]
genetics
Answer the following multiple-choice question. Question: What do we call the scientific study of heredity and hereditary variation? Options: A. chemistry B. biology C. genetics D. geneology Which option is correct and why?
The correct answer is: genetics.
C
Shortening of muscle fibers is called what?`
[ "diffusion", "contraction", "shrinking", "diffusion" ]
contraction
Answer the following multiple-choice question. Question: Shortening of muscle fibers is called what?` Options: A. diffusion B. contraction C. shrinking D. diffusion Which option is correct and why?
The correct answer is: contraction.
B
What do increasing greenhouse gas concentrations in the air do to the earth's temperature?
[ "stable it", "Pollute", "raise it", "Lower it" ]
raise it
Answer the following multiple-choice question. Question: What do increasing greenhouse gas concentrations in the air do to the earth's temperature? Options: A. stable it B. Pollute C. raise it D. Lower it Which option is correct and why?
The correct answer is: raise it.
C
What attaches a muscle to a bone?
[ "arteries", "tendons", "marrow", "veins" ]
tendons
Answer the following multiple-choice question. Question: What attaches a muscle to a bone? Options: A. arteries B. tendons C. marrow D. veins Which option is correct and why?
The correct answer is: tendons.
B
What do mollusks not have?
[ "backbone", "tissue", "alveoli", "life", "heat energy", "a cuticle", "food", "shell" ]
backbone
Answer the following multiple-choice question. Question: What do mollusks not have? Options: A. backbone B. tissue C. alveoli D. life E. heat energy F. a cuticle G. food H. shell Which option is correct and why?
The correct answer is: backbone.
A
Aging occurs as cells lose their ability to do what?
[ "join", "divide", "build", "grow" ]
divide
Answer the following multiple-choice question. Question: Aging occurs as cells lose their ability to do what? Options: A. join B. divide C. build D. grow Which option is correct and why?
The correct answer is: divide.
B
Equal and oppositely directed forces produce what kind of acceleration?
[ "faster acceleration", "greater acceleration", "no acceleration", "steady acceleration" ]
no acceleration
Answer the following multiple-choice question. Question: Equal and oppositely directed forces produce what kind of acceleration? Options: A. faster acceleration B. greater acceleration C. no acceleration D. steady acceleration Which option is correct and why?
The correct answer is: no acceleration.
C
Limestone is formed by water evaporating from a solution of water and mineral and a hard sedimentary rock used as building material and for making
[ "lipstick", "cement", "lemon-lime soda", "mineral water" ]
cement
Answer the following multiple-choice question. Question: Limestone is formed by water evaporating from a solution of water and mineral and a hard sedimentary rock used as building material and for making Options: A. lipstick B. cement C. lemon-lime soda D. mineral water Which option is correct and why?
The correct answer is: cement.
B
what is electricity?
[ "coiled", "movement", "dangerous", "energy", "waves", "engines", "a hazard", "Light" ]
a hazard
Answer the following multiple-choice question. Question: what is electricity? Options: A. coiled B. movement C. dangerous D. energy E. waves F. engines G. a hazard H. Light Which option is correct and why?
The correct answer is: a hazard.
A
Light reactions occur during which stage of photosynthesis?
[ "third stage", "first stage", "final stage", "intermediate stage" ]
first stage
Answer the following multiple-choice question. Question: Light reactions occur during which stage of photosynthesis? Options: A. third stage B. first stage C. final stage D. intermediate stage Which option is correct and why?
The correct answer is: first stage.
B
After the film is developed, any unexposed silver bromide must be removed by a process called what?
[ "watering", "sweeping", "washing", "fixing" ]
fixing
Answer the following multiple-choice question. Question: After the film is developed, any unexposed silver bromide must be removed by a process called what? Options: A. watering B. sweeping C. washing D. fixing Which option is correct and why?
The correct answer is: fixing.
D
Exposure to what is the most common cause of hearing loss?
[ "angry sounds", "outside sounds", "Guitar", "loud sounds" ]
loud sounds
Answer the following multiple-choice question. Question: Exposure to what is the most common cause of hearing loss? Options: A. angry sounds B. outside sounds C. Guitar D. loud sounds Which option is correct and why?
The correct answer is: loud sounds.
D
what directs current?
[ "streams", "switch", "rivers", "squids", "chemicals", "streams.", "hormones", "spring" ]
switch
Answer the following multiple-choice question. Question: what directs current? Options: A. streams B. switch C. rivers D. squids E. chemicals F. streams. G. hormones H. spring Which option is correct and why?
The correct answer is: switch.
B
Which gas is responsible for global warming?
[ "oxygen", "carbon dioxide", "hydrocarbons", "ozone" ]
carbon dioxide
Answer the following multiple-choice question. Question: Which gas is responsible for global warming? Options: A. oxygen B. carbon dioxide C. hydrocarbons D. ozone Which option is correct and why?
The correct answer is: carbon dioxide.
B
On which ridge does iceland sit?
[ "Antarctic ridge", "mid-atlantic ridge", "Pacific rim", "Arctic circle" ]
mid-atlantic ridge
Answer the following multiple-choice question. Question: On which ridge does iceland sit? Options: A. Antarctic ridge B. mid-atlantic ridge C. Pacific rim D. Arctic circle Which option is correct and why?
The correct answer is: mid-atlantic ridge.
B
what do planets orbit?
[ "volcanos", "starlight", "astral beings", "people" ]
astral beings
Answer the following multiple-choice question. Question: what do planets orbit? Options: A. volcanos B. starlight C. astral beings D. people Which option is correct and why?
The correct answer is: astral beings.
C
Consumers are organisms that depend on other organisms for what?
[ "food", "knowledge", "reproduction", "shelter" ]
food
Answer the following multiple-choice question. Question: Consumers are organisms that depend on other organisms for what? Options: A. food B. knowledge C. reproduction D. shelter Which option is correct and why?
The correct answer is: food.
A
What is the name of something some animals use to conserve water and elminate waste?
[ "it keeps an organism warm", "food and shelter", "Exfoliation", "an area swollen with pus", "swamp vegetation", "excretory structures", "reusing materials", "colder and wetter" ]
excretory structures
Answer the following multiple-choice question. Question: What is the name of something some animals use to conserve water and elminate waste? Options: A. it keeps an organism warm B. food and shelter C. Exfoliation D. an area swollen with pus E. swamp vegetation F. excretory structures G. reusing materials H. colder and wetter Which option is correct and why?
The correct answer is: excretory structures.
A
What is a form of mechanical energy that starts with a vibration in matter?
[ "industrial energy", "sound energy", "solar energy", "electrical energy" ]
sound energy
Answer the following multiple-choice question. Question: What is a form of mechanical energy that starts with a vibration in matter? Options: A. industrial energy B. sound energy C. solar energy D. electrical energy Which option is correct and why?
The correct answer is: sound energy.
B
Distinct from a suspension, a solution is considered what type of mixture?
[ "continuous", "heterogeneous", "gaseous", "homogeneous" ]
homogeneous
Answer the following multiple-choice question. Question: Distinct from a suspension, a solution is considered what type of mixture? Options: A. continuous B. heterogeneous C. gaseous D. homogeneous Which option is correct and why?
The correct answer is: homogeneous.
D
What is the disease in which bones lose mass and become more fragile and likely to break?
[ "fibrosis", "tuberculosis", "osteoporosis", "arthritis" ]
osteoporosis
Answer the following multiple-choice question. Question: What is the disease in which bones lose mass and become more fragile and likely to break? Options: A. fibrosis B. tuberculosis C. osteoporosis D. arthritis Which option is correct and why?
The correct answer is: osteoporosis.
C
What stimulates the reproductive organs to develop testicles?
[ "sperm", "mechanical", "barnacles", "the penis", "the moon", "testosterone", "Chemical energy", "competition" ]
testosterone
Answer the following multiple-choice question. Question: What stimulates the reproductive organs to develop testicles? Options: A. sperm B. mechanical C. barnacles D. the penis E. the moon F. testosterone G. Chemical energy H. competition Which option is correct and why?
The correct answer is: testosterone.
A
If a reptile were taken to the iceland it would
[ "have many babies", "thrive", "build a home", "die" ]
die
Answer the following multiple-choice question. Question: If a reptile were taken to the iceland it would Options: A. have many babies B. thrive C. build a home D. die Which option is correct and why?
The correct answer is: die.
D
Which muscles raise the hyoid bone, the floor of the mouth, and the larynx during deglutition?
[ "spirogyra", "suprahyoid", "Hybrid", "spicule" ]
suprahyoid
Answer the following multiple-choice question. Question: Which muscles raise the hyoid bone, the floor of the mouth, and the larynx during deglutition? Options: A. spirogyra B. suprahyoid C. Hybrid D. spicule Which option is correct and why?
The correct answer is: suprahyoid.
B
What can run through copper, causing it to heat up?
[ "activation energy", "oxygen", "water", "an electron lens", "electromagnetic energy", "ice", "hydrogen and oxygen", "electrical current" ]
electrical current
Answer the following multiple-choice question. Question: What can run through copper, causing it to heat up? Options: A. activation energy B. oxygen C. water D. an electron lens E. electromagnetic energy F. ice G. hydrogen and oxygen H. electrical current Which option is correct and why?
The correct answer is: electrical current.
A
What is the time since the beginning of the ice ages?
[ "Mesozoic epocH", "Jurassic period", "quaternary period", "Paleolithic era" ]
quaternary period
Answer the following multiple-choice question. Question: What is the time since the beginning of the ice ages? Options: A. Mesozoic epocH B. Jurassic period C. quaternary period D. Paleolithic era Which option is correct and why?
The correct answer is: quaternary period.
C
If a person wants to watch the eclipse
[ "it's best to go sans sunglasses", "it's best to just use a hand as shade", "it's best to use eye protection", "it's best to use a telescope" ]
it's best to use eye protection
Answer the following multiple-choice question. Question: If a person wants to watch the eclipse Options: A. it's best to go sans sunglasses B. it's best to just use a hand as shade C. it's best to use eye protection D. it's best to use a telescope Which option is correct and why?
The correct answer is: it's best to use eye protection.
C
On what basis are lipoproteins classified?
[ "weight", "mass", "density", "diameter" ]
density
Answer the following multiple-choice question. Question: On what basis are lipoproteins classified? Options: A. weight B. mass C. density D. diameter Which option is correct and why?
The correct answer is: density.
C
Herbivores need to stock up on food before winter because
[ "plants will burn", "plants will fly", "plants will perish", "Plants will cry" ]
plants will perish
Answer the following multiple-choice question. Question: Herbivores need to stock up on food before winter because Options: A. plants will burn B. plants will fly C. plants will perish D. Plants will cry Which option is correct and why?
The correct answer is: plants will perish.
C
Shivering helps the body return to a stable what?
[ "temperature", "mood", "weight", "pH level" ]
temperature
Answer the following multiple-choice question. Question: Shivering helps the body return to a stable what? Options: A. temperature B. mood C. weight D. pH level Which option is correct and why?
The correct answer is: temperature.
A
Natural openings on the surface, leading to caves are formed by what?
[ "hydrogen and oxygen", "aqueous solution", "precipitation", "calcite", "erosion", "flow of electrons", "Calcium carbonate", "Physical weathering" ]
precipitation
Answer the following multiple-choice question. Question: Natural openings on the surface, leading to caves are formed by what? Options: A. hydrogen and oxygen B. aqueous solution C. precipitation D. calcite E. erosion F. flow of electrons G. Calcium carbonate H. Physical weathering Which option is correct and why?
The correct answer is: precipitation.
C
What is another term for joules per second?
[ "jacobs", "parsons", "watts", "jiffies" ]
watts
Answer the following multiple-choice question. Question: What is another term for joules per second? Options: A. jacobs B. parsons C. watts D. jiffies Which option is correct and why?
The correct answer is: watts.
C
Besides the endocrine system, what other system exerts control over all the organ systems of the body?
[ "circulatory system", "nervous system", "abnormal system", "skeleton system" ]
nervous system
Answer the following multiple-choice question. Question: Besides the endocrine system, what other system exerts control over all the organ systems of the body? Options: A. circulatory system B. nervous system C. abnormal system D. skeleton system Which option is correct and why?
The correct answer is: nervous system.
B
What can be a source of food for many species of fish?
[ "Fully cooking the oysters", "Organic compounds", "beef", "fishing poles", "sessile organisms", "barnacles", "grass", "gastropod shells" ]
sessile organisms
Answer the following multiple-choice question. Question: What can be a source of food for many species of fish? Options: A. Fully cooking the oysters B. Organic compounds C. beef D. fishing poles E. sessile organisms F. barnacles G. grass H. gastropod shells Which option is correct and why?
The correct answer is: sessile organisms.
E
If a thing is going to be a planet, it must orbit in a certain amount of time, which can exclude
[ "mercury", "the ninth planet", "the third planet", "venus" ]
the ninth planet
Answer the following multiple-choice question. Question: If a thing is going to be a planet, it must orbit in a certain amount of time, which can exclude Options: A. mercury B. the ninth planet C. the third planet D. venus Which option is correct and why?
The correct answer is: the ninth planet.
B
What during reproduction develop into new haploid individuals without being fertilized
[ "Earth orbiting the Sun", "parasites", "release of spores", "graptolites", "gastropod shells", "honeybees", "barnacles", "They may not survive." ]
release of spores
Answer the following multiple-choice question. Question: What during reproduction develop into new haploid individuals without being fertilized Options: A. Earth orbiting the Sun B. parasites C. release of spores D. graptolites E. gastropod shells F. honeybees G. barnacles H. They may not survive. Which option is correct and why?
The correct answer is: release of spores.
C
Toasting already-baked bread requires using
[ "unprocessed gluten mix", "a thermal conductor", "a snowboard", "an energetic stream" ]
a thermal conductor
Answer the following multiple-choice question. Question: Toasting already-baked bread requires using Options: A. unprocessed gluten mix B. a thermal conductor C. a snowboard D. an energetic stream Which option is correct and why?
The correct answer is: a thermal conductor.
B
Regularly done aerobic activities can help build up endurance and make what vital organ stronger?
[ "brain", "skin", "stomach", "heart" ]
heart
Answer the following multiple-choice question. Question: Regularly done aerobic activities can help build up endurance and make what vital organ stronger? Options: A. brain B. skin C. stomach D. heart Which option is correct and why?
The correct answer is: heart.
D
Loss of muscle mass due to breakdown of structural proteins is known as what?
[ "mutation", "distrophy", "atrophy", "exhaustion" ]
atrophy
Answer the following multiple-choice question. Question: Loss of muscle mass due to breakdown of structural proteins is known as what? Options: A. mutation B. distrophy C. atrophy D. exhaustion Which option is correct and why?
The correct answer is: atrophy.
C
A person wants to take a a mode of transportation out that has two wheels so they will need to
[ "drive", "bus", "cycle", "run" ]
cycle
Answer the following multiple-choice question. Question: A person wants to take a a mode of transportation out that has two wheels so they will need to Options: A. drive B. bus C. cycle D. run Which option is correct and why?
The correct answer is: cycle.
C
Where does electric power originate?
[ "coal mines", "the Sun", "power plants", "magnets" ]
power plants
Answer the following multiple-choice question. Question: Where does electric power originate? Options: A. coal mines B. the Sun C. power plants D. magnets Which option is correct and why?
The correct answer is: power plants.
C
This process breaks rocks and other surface materials into much smaller pieces?
[ "leaching", "chemical reaction", "corrosion", "weathering" ]
weathering
Answer the following multiple-choice question. Question: This process breaks rocks and other surface materials into much smaller pieces? Options: A. leaching B. chemical reaction C. corrosion D. weathering Which option is correct and why?
The correct answer is: weathering.
D
What in the skin dilates, or widens, in order to increase blood flow to the bodys surface?
[ "pores", "blood vessels", "veins", "tear ducts" ]
blood vessels
Answer the following multiple-choice question. Question: What in the skin dilates, or widens, in order to increase blood flow to the bodys surface? Options: A. pores B. blood vessels C. veins D. tear ducts Which option is correct and why?
The correct answer is: blood vessels.
B
What absorbs nutrients from soil into themselves through their roots?
[ "flour", "power plants", "animals", "flora" ]
flora
Answer the following multiple-choice question. Question: What absorbs nutrients from soil into themselves through their roots? Options: A. flour B. power plants C. animals D. flora Which option is correct and why?
The correct answer is: flora.
D
oval, unicellular fungi reproduce asexually by what?
[ "a cuticle", "seeds", "budding", "epidermal", "Deposition", "sunlight", "sun's heat", "Joules" ]
budding
Answer the following multiple-choice question. Question: oval, unicellular fungi reproduce asexually by what? Options: A. a cuticle B. seeds C. budding D. epidermal E. Deposition F. sunlight G. sun's heat H. Joules Which option is correct and why?
The correct answer is: budding.
C
What ancestors did caecillians evolve from?
[ "ornithopod", "arthropod", "tetrapod", "hominid" ]
tetrapod
Answer the following multiple-choice question. Question: What ancestors did caecillians evolve from? Options: A. ornithopod B. arthropod C. tetrapod D. hominid Which option is correct and why?
The correct answer is: tetrapod.
C
ish have a circulatory system with what?
[ "our nearest star", "divided heart", "solid, liquid, gas", "Veins and arteries.", "kinetic energy", "flow of electrons", "reducing acid rain", "matter vibrating" ]
divided heart
Answer the following multiple-choice question. Question: ish have a circulatory system with what? Options: A. our nearest star B. divided heart C. solid, liquid, gas D. Veins and arteries. E. kinetic energy F. flow of electrons G. reducing acid rain H. matter vibrating Which option is correct and why?
The correct answer is: divided heart.
B
what gets changed into natural gas due to heat and pressure?
[ "mussels", "oxygen", "glass", "clams", "animals", "Most plants", "temperature", "dinosaurs" ]
dinosaurs
Answer the following multiple-choice question. Question: what gets changed into natural gas due to heat and pressure? Options: A. mussels B. oxygen C. glass D. clams E. animals F. Most plants G. temperature H. dinosaurs Which option is correct and why?
The correct answer is: dinosaurs.
A
deserts are known for having what type of climates?
[ "moderate", "comfortable", "freezing", "scorching" ]
scorching
Answer the following multiple-choice question. Question: deserts are known for having what type of climates? Options: A. moderate B. comfortable C. freezing D. scorching Which option is correct and why?
The correct answer is: scorching.
D
what do antibodies recognize and bind to?
[ "humans", "vitamins", "h2o", "harmful substances", "cancer cells", "electrons", "the skin", "protect them" ]
cancer cells
Answer the following multiple-choice question. Question: what do antibodies recognize and bind to? Options: A. humans B. vitamins C. h2o D. harmful substances E. cancer cells F. electrons G. the skin H. protect them Which option is correct and why?
The correct answer is: cancer cells.
E
What can be passed down through the males?
[ "Electrical energy", "cancer treatments", "pollen", "cloning", "kinetic energy", "cancer genes", "genetic testing", "anemia" ]
cancer genes
Answer the following multiple-choice question. Question: What can be passed down through the males? Options: A. Electrical energy B. cancer treatments C. pollen D. cloning E. kinetic energy F. cancer genes G. genetic testing H. anemia Which option is correct and why?
The correct answer is: cancer genes.
A
Pollution is caused by
[ "reusing cloth baby diapers", "recycling plastic water bottles", "using all natural household cleaners", "prescription medicine being put down sink drains" ]
prescription medicine being put down sink drains
Answer the following multiple-choice question. Question: Pollution is caused by Options: A. reusing cloth baby diapers B. recycling plastic water bottles C. using all natural household cleaners D. prescription medicine being put down sink drains Which option is correct and why?
The correct answer is: prescription medicine being put down sink drains.
D
High temperatures can be caused when which is exposed to heat?
[ "Wire", "Circuit", "Cell", "Conductor" ]
Conductor
Answer the following multiple-choice question. Question: High temperatures can be caused when which is exposed to heat? Options: A. Wire B. Circuit C. Cell D. Conductor Which option is correct and why?
The correct answer is: Conductor.
D
What protects things from freezing in cold weather?
[ "exoskeleton", "thermal insulators", "thick filling", "a hydraulic system", "Animal fur", "layers of skin", "layers of fat", "deep water" ]
thermal insulators
Answer the following multiple-choice question. Question: What protects things from freezing in cold weather? Options: A. exoskeleton B. thermal insulators C. thick filling D. a hydraulic system E. Animal fur F. layers of skin G. layers of fat H. deep water Which option is correct and why?
The correct answer is: thermal insulators.
B
A thing which is a producer in the food chain is most likely to be a
[ "squid", "clover", "mouse", "hawk" ]
clover
Answer the following multiple-choice question. Question: A thing which is a producer in the food chain is most likely to be a Options: A. squid B. clover C. mouse D. hawk Which option is correct and why?
The correct answer is: clover.
B
what species has a negative impact on population size when they are harmed?
[ "clouds", "water", "humans", "Bats", "aliens", "Cars", "dogs", "squids" ]
dogs
Answer the following multiple-choice question. Question: what species has a negative impact on population size when they are harmed? Options: A. clouds B. water C. humans D. Bats E. aliens F. Cars G. dogs H. squids Which option is correct and why?
The correct answer is: dogs.
A
If an object is made of a what then that object has the properties of that thing?
[ "A drug.", "four limbs", "energy", "a prism", "Energy.", "heat", "iron", "calcite" ]
A drug.
Answer the following multiple-choice question. Question: If an object is made of a what then that object has the properties of that thing? Options: A. A drug. B. four limbs C. energy D. a prism E. Energy. F. heat G. iron H. calcite Which option is correct and why?
The correct answer is: A drug..
A
Where would you find the most sunlight?
[ "England", "Morocco", "Sweden", "Norway" ]
Morocco
Answer the following multiple-choice question. Question: Where would you find the most sunlight? Options: A. England B. Morocco C. Sweden D. Norway Which option is correct and why?
The correct answer is: Morocco.
B
Events like thunderstorms and _______ can cause animals to leave an environment.
[ "car crashes", "solar eclipses", "more available food", "tsunamis" ]
tsunamis
Answer the following multiple-choice question. Question: Events like thunderstorms and _______ can cause animals to leave an environment. Options: A. car crashes B. solar eclipses C. more available food D. tsunamis Which option is correct and why?
The correct answer is: tsunamis.
D
A notochord has in common with what vertbrate structure?
[ "rib cage", "spinal cord", "rip chord", "trichord" ]
spinal cord
Answer the following multiple-choice question. Question: A notochord has in common with what vertbrate structure? Options: A. rib cage B. spinal cord C. rip chord D. trichord Which option is correct and why?
The correct answer is: spinal cord.
B
What can be calculated by solving the average speed formula?
[ "distance or mass", "mass or time", "accelaration", "distance or time" ]
distance or time
Answer the following multiple-choice question. Question: What can be calculated by solving the average speed formula? Options: A. distance or mass B. mass or time C. accelaration D. distance or time Which option is correct and why?
The correct answer is: distance or time.
D