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what do you strum to cause vibration?
[ "brass instruments", "waves", "nerves", "mechanical", "energy", "sound waves", "guitars", "drums" ]
guitars
Answer the following multiple-choice question. Question: what do you strum to cause vibration? Options: A. brass instruments B. waves C. nerves D. mechanical E. energy F. sound waves G. guitars H. drums Which option is correct and why?
The correct answer is: guitars.
A
Bacteria, viruses, fungi, and protozoa are examples of what, the term for a disease-causing microorganism?
[ "microbe", "fungus", "germ", "pathogen" ]
pathogen
Answer the following multiple-choice question. Question: Bacteria, viruses, fungi, and protozoa are examples of what, the term for a disease-causing microorganism? Options: A. microbe B. fungus C. germ D. pathogen Which option is correct and why?
The correct answer is: pathogen.
D
How do roundworms have offspring?
[ "more abundant", "rapid expansion", "Plants growth", "survive", "laying eggs", "competition", "it needs them", "fertile" ]
laying eggs
Answer the following multiple-choice question. Question: How do roundworms have offspring? Options: A. more abundant B. rapid expansion C. Plants growth D. survive E. laying eggs F. competition G. it needs them H. fertile Which option is correct and why?
The correct answer is: laying eggs.
E
How many different types of stresses are there?
[ "three", "five", "four", "seven" ]
four
Answer the following multiple-choice question. Question: How many different types of stresses are there? Options: A. three B. five C. four D. seven Which option is correct and why?
The correct answer is: four.
C
What is a polymer formed by chain addition reactions between monomers that contain a double bond called?
[ "a branched polymer", "an addition monolayer", "a linear polymer", "an addition polymer" ]
an addition polymer
Answer the following multiple-choice question. Question: What is a polymer formed by chain addition reactions between monomers that contain a double bond called? Options: A. a branched polymer B. an addition monolayer C. a linear polymer D. an addition polymer Which option is correct and why?
The correct answer is: an addition polymer.
D
What forms petroleum over time?
[ "Organic compounds", "dead dreams", "a solute", "a hydraulic system", "dead organisms", "ice", "rocks", "hydrogen and oxygen" ]
dead organisms
Answer the following multiple-choice question. Question: What forms petroleum over time? Options: A. Organic compounds B. dead dreams C. a solute D. a hydraulic system E. dead organisms F. ice G. rocks H. hydrogen and oxygen Which option is correct and why?
The correct answer is: dead organisms.
E
torrential downpours can cause the side of a hill to become
[ "depressed", "rock hard", "greener", "unstable" ]
unstable
Answer the following multiple-choice question. Question: torrential downpours can cause the side of a hill to become Options: A. depressed B. rock hard C. greener D. unstable Which option is correct and why?
The correct answer is: unstable.
D
What does the earth orbit that makes the seasons to change?
[ "pluto", "plasma star", "venus", "mercury" ]
plasma star
Answer the following multiple-choice question. Question: What does the earth orbit that makes the seasons to change? Options: A. pluto B. plasma star C. venus D. mercury Which option is correct and why?
The correct answer is: plasma star.
B
Genetic traits are characteristics encoded in what?
[ "rna", "nuclei", "dna", "bacteria" ]
dna
Answer the following multiple-choice question. Question: Genetic traits are characteristics encoded in what? Options: A. rna B. nuclei C. dna D. bacteria Which option is correct and why?
The correct answer is: dna.
C
what can wiring be made of?
[ "gold", "fibers", "white", "motors", "O3", "copper", "metal", "energy" ]
gold
Answer the following multiple-choice question. Question: what can wiring be made of? Options: A. gold B. fibers C. white D. motors E. O3 F. copper G. metal H. energy Which option is correct and why?
The correct answer is: gold.
A
passive immunity lasts only as long as what survives in body fluids?
[ "Energy.", "gammaglobulins", "heat or cold", "bacteria", "Chemical energy", "parasites", "Leptospirosis", "Veins and arteries." ]
gammaglobulins
Answer the following multiple-choice question. Question: passive immunity lasts only as long as what survives in body fluids? Options: A. Energy. B. gammaglobulins C. heat or cold D. bacteria E. Chemical energy F. parasites G. Leptospirosis H. Veins and arteries. Which option is correct and why?
The correct answer is: gammaglobulins.
B
A plane taking off from an airport will seem what as it flies away
[ "empty", "smaller", "the same", "bigger" ]
smaller
Answer the following multiple-choice question. Question: A plane taking off from an airport will seem what as it flies away Options: A. empty B. smaller C. the same D. bigger Which option is correct and why?
The correct answer is: smaller.
B
Filling a glass with markers for cup amounts on it would be
[ "seeing how much data is left on a phone", "a part of making chili", "a way to consider getting something", "a way to collect data" ]
a way to collect data
Answer the following multiple-choice question. Question: Filling a glass with markers for cup amounts on it would be Options: A. seeing how much data is left on a phone B. a part of making chili C. a way to consider getting something D. a way to collect data Which option is correct and why?
The correct answer is: a way to collect data.
D
What monthy cycle causes changes in the ovaries and uterus?
[ "sleep-wake cycle", "tides", "water cycle", "the menstrual cycle" ]
the menstrual cycle
Answer the following multiple-choice question. Question: What monthy cycle causes changes in the ovaries and uterus? Options: A. sleep-wake cycle B. tides C. water cycle D. the menstrual cycle Which option is correct and why?
The correct answer is: the menstrual cycle.
D
Lakes can increase due to
[ "wind", "salinity", "heat", "nutrients", "watershed", "storms", "flooding", "Lift" ]
storms
Answer the following multiple-choice question. Question: Lakes can increase due to Options: A. wind B. salinity C. heat D. nutrients E. watershed F. storms G. flooding H. Lift Which option is correct and why?
The correct answer is: storms.
A
When do hammerhead sharks usually hunt?
[ "at night", "summer", "in the day", "winter" ]
at night
Answer the following multiple-choice question. Question: When do hammerhead sharks usually hunt? Options: A. at night B. summer C. in the day D. winter Which option is correct and why?
The correct answer is: at night.
A
what contain a right hand double helix of polynucleotides but not much else
[ "orchids", "newsprint", "alleles", "Viruses", "soil", "ferns", "animals", "plants" ]
Viruses
Answer the following multiple-choice question. Question: what contain a right hand double helix of polynucleotides but not much else Options: A. orchids B. newsprint C. alleles D. Viruses E. soil F. ferns G. animals H. plants Which option is correct and why?
The correct answer is: Viruses.
D
Unless the animal is native to a cold climate like Antarctica, it is going to need to stay warm enough in winter so it
[ "Stays alive", "stays dead", "in cream", "in juice" ]
Stays alive
Answer the following multiple-choice question. Question: Unless the animal is native to a cold climate like Antarctica, it is going to need to stay warm enough in winter so it Options: A. Stays alive B. stays dead C. in cream D. in juice Which option is correct and why?
The correct answer is: Stays alive.
A
Antibiotics only target prokaryotic cells - they do not affect fungi, which are not prokaryotic, but instead what?
[ "chloroplasts", "eukaryotic", "mammals", "plants" ]
eukaryotic
Answer the following multiple-choice question. Question: Antibiotics only target prokaryotic cells - they do not affect fungi, which are not prokaryotic, but instead what? Options: A. chloroplasts B. eukaryotic C. mammals D. plants Which option is correct and why?
The correct answer is: eukaryotic.
B
What is it called when an egg develops into an individual without being fertilized?
[ "parthenogenesis", "metamorphosis", "symbiosis", "abiogenesis" ]
parthenogenesis
Answer the following multiple-choice question. Question: What is it called when an egg develops into an individual without being fertilized? Options: A. parthenogenesis B. metamorphosis C. symbiosis D. abiogenesis Which option is correct and why?
The correct answer is: parthenogenesis.
A
Acid rain may be caused by what?
[ "water pollution", "hurricanes", "volcanos", "air pollution" ]
air pollution
Answer the following multiple-choice question. Question: Acid rain may be caused by what? Options: A. water pollution B. hurricanes C. volcanos D. air pollution Which option is correct and why?
The correct answer is: air pollution.
D
A boy hates summer with a burning passion, so luckily the longest he should ever have to endure the season is
[ "twelve weeks", "three years", "nine months", "two days" ]
twelve weeks
Answer the following multiple-choice question. Question: A boy hates summer with a burning passion, so luckily the longest he should ever have to endure the season is Options: A. twelve weeks B. three years C. nine months D. two days Which option is correct and why?
The correct answer is: twelve weeks.
A
Yeast deposited in an oven from a closet
[ "rises", "compresses", "falls", "requires antifungal cream" ]
rises
Answer the following multiple-choice question. Question: Yeast deposited in an oven from a closet Options: A. rises B. compresses C. falls D. requires antifungal cream Which option is correct and why?
The correct answer is: rises.
A
What factors determine the effect of a gene?
[ "metabolites", "genomes", "alleles", "ribosomes" ]
alleles
Answer the following multiple-choice question. Question: What factors determine the effect of a gene? Options: A. metabolites B. genomes C. alleles D. ribosomes Which option is correct and why?
The correct answer is: alleles.
C
what do flower petals attract?
[ "density", "plants", "pollen", "bushes", "thorns", "bees", "fragrance", "bats" ]
bees
Answer the following multiple-choice question. Question: what do flower petals attract? Options: A. density B. plants C. pollen D. bushes E. thorns F. bees G. fragrance H. bats Which option is correct and why?
The correct answer is: bees.
A
What is the change of state from a solid to a gas without passing through the liquid state?
[ "sublimation", "vaporization", "speciation", "neutralization" ]
sublimation
Answer the following multiple-choice question. Question: What is the change of state from a solid to a gas without passing through the liquid state? Options: A. sublimation B. vaporization C. speciation D. neutralization Which option is correct and why?
The correct answer is: sublimation.
A
What happens to the electrical conductivity of metals when placed in a pot of boiling water?
[ "stays the same", "decreases slowly", "increases slowly", "increases quickly" ]
decreases slowly
Answer the following multiple-choice question. Question: What happens to the electrical conductivity of metals when placed in a pot of boiling water? Options: A. stays the same B. decreases slowly C. increases slowly D. increases quickly Which option is correct and why?
The correct answer is: decreases slowly.
B
The following definition relates to which term: the application of knowledge to real-world problems?
[ "industry", "technology", "capitalism", "invention" ]
technology
Answer the following multiple-choice question. Question: The following definition relates to which term: the application of knowledge to real-world problems? Options: A. industry B. technology C. capitalism D. invention Which option is correct and why?
The correct answer is: technology.
B
When producers create food in an ecosystem, a portion of the nutrients are
[ "carbs", "energy", "grass", "flowers" ]
carbs
Answer the following multiple-choice question. Question: When producers create food in an ecosystem, a portion of the nutrients are Options: A. carbs B. energy C. grass D. flowers Which option is correct and why?
The correct answer is: carbs.
A
What causes spring, summer, autumn, and winter?
[ "meteor showers", "heat production", "the sun's energy", "Generating heat", "Earth tilted on rotating axis", "Something with a head, thorax, and abdomen", "Earth vibrating", "lunar cycle" ]
Earth tilted on rotating axis
Answer the following multiple-choice question. Question: What causes spring, summer, autumn, and winter? Options: A. meteor showers B. heat production C. the sun's energy D. Generating heat E. Earth tilted on rotating axis F. Something with a head, thorax, and abdomen G. Earth vibrating H. lunar cycle Which option is correct and why?
The correct answer is: Earth tilted on rotating axis.
E
What is the movement of fluid out of the capillaries called?
[ "diffusion", "osmosis", "absorption", "filtration" ]
filtration
Answer the following multiple-choice question. Question: What is the movement of fluid out of the capillaries called? Options: A. diffusion B. osmosis C. absorption D. filtration Which option is correct and why?
The correct answer is: filtration.
D
The force of water against the seed coat causes
[ "dormant state", "Regrows it", "peachleaf willow", "warmth", "erosion", "squeeze", "cactuses", "germination" ]
germination
Answer the following multiple-choice question. Question: The force of water against the seed coat causes Options: A. dormant state B. Regrows it C. peachleaf willow D. warmth E. erosion F. squeeze G. cactuses H. germination Which option is correct and why?
The correct answer is: germination.
A
What are the two major types of seed plants called?
[ "flowers and fruits", "deciduous and evergreen", "perennials and annuals", "gymnosperms and angiosperms" ]
gymnosperms and angiosperms
Answer the following multiple-choice question. Question: What are the two major types of seed plants called? Options: A. flowers and fruits B. deciduous and evergreen C. perennials and annuals D. gymnosperms and angiosperms Which option is correct and why?
The correct answer is: gymnosperms and angiosperms.
D
What does plant and animal residue increase in soil?
[ "Scent", "Temperature", "Bugs", "rainfall", "fossil fuels", "Water", "energy", "Nutrients" ]
Nutrients
Answer the following multiple-choice question. Question: What does plant and animal residue increase in soil? Options: A. Scent B. Temperature C. Bugs D. rainfall E. fossil fuels F. Water G. energy H. Nutrients Which option is correct and why?
The correct answer is: Nutrients.
A
What does the esophagus connect to at its bottom end?
[ "the colon", "the large intestine", "the stomach", "the larynx" ]
the stomach
Answer the following multiple-choice question. Question: What does the esophagus connect to at its bottom end? Options: A. the colon B. the large intestine C. the stomach D. the larynx Which option is correct and why?
The correct answer is: the stomach.
C
Mammals can generate heat by
[ "hibernation", "layers of fat", "perspiration", "aerobic exercise", "respiration", "exercise", "with their fur", "to stay warm" ]
aerobic exercise
Answer the following multiple-choice question. Question: Mammals can generate heat by Options: A. hibernation B. layers of fat C. perspiration D. aerobic exercise E. respiration F. exercise G. with their fur H. to stay warm Which option is correct and why?
The correct answer is: aerobic exercise.
D
What is the term for rain that has a ph less than 5, due to carbon dioxide dissolving?
[ "frozen rain", "basic rain", "carbon rain", "acid rain" ]
acid rain
Answer the following multiple-choice question. Question: What is the term for rain that has a ph less than 5, due to carbon dioxide dissolving? Options: A. frozen rain B. basic rain C. carbon rain D. acid rain Which option is correct and why?
The correct answer is: acid rain.
D
What is the preferred method for separating late transition metals from their ores?
[ "hydrometallurgy", "heating", "hydraulics", "purging" ]
hydrometallurgy
Answer the following multiple-choice question. Question: What is the preferred method for separating late transition metals from their ores? Options: A. hydrometallurgy B. heating C. hydraulics D. purging Which option is correct and why?
The correct answer is: hydrometallurgy.
A
what kind of heart do mollusks have?
[ "organ", "epidermal", "fossils", "ligt", "three", "warmth", "warm", "simple" ]
simple
Answer the following multiple-choice question. Question: what kind of heart do mollusks have? Options: A. organ B. epidermal C. fossils D. ligt E. three F. warmth G. warm H. simple Which option is correct and why?
The correct answer is: simple.
A
what make pituitary hormones?
[ "organs", "mammals", "humans", "cows", "sweating", "PDAs", "glucose", "animals" ]
organs
Answer the following multiple-choice question. Question: what make pituitary hormones? Options: A. organs B. mammals C. humans D. cows E. sweating F. PDAs G. glucose H. animals Which option is correct and why?
The correct answer is: organs.
A
hloroplasts are organelles that are found in the cells of what?
[ "photosynthesis.", "the dumbest plants", "the simplest of green plants", "Microscopic organisms", "microorganisms", "the deadliest plants", "epidermis and dermis", "the strongest plants" ]
the simplest of green plants
Answer the following multiple-choice question. Question: hloroplasts are organelles that are found in the cells of what? Options: A. photosynthesis. B. the dumbest plants C. the simplest of green plants D. Microscopic organisms E. microorganisms F. the deadliest plants G. epidermis and dermis H. the strongest plants Which option is correct and why?
The correct answer is: the simplest of green plants.
C
Most mammals have a body what for keeping warm?
[ "four limbs", "exoskeleton", "warm", "scales", "sweating", "covering", "bareness", "opening" ]
covering
Answer the following multiple-choice question. Question: Most mammals have a body what for keeping warm? Options: A. four limbs B. exoskeleton C. warm D. scales E. sweating F. covering G. bareness H. opening Which option is correct and why?
The correct answer is: covering.
A
Meadow vales are
[ "carnivores", "hard of hearing", "very large", "potatoes" ]
hard of hearing
Answer the following multiple-choice question. Question: Meadow vales are Options: A. carnivores B. hard of hearing C. very large D. potatoes Which option is correct and why?
The correct answer is: hard of hearing.
B
A polar bear is white because
[ "it's a lame Turkish professor in a third rate Pennsylvanian college", "it's covered in polar snow ice", "it wants to make a Grizzly bear jealous", "its parents had white fur" ]
its parents had white fur
Answer the following multiple-choice question. Question: A polar bear is white because Options: A. it's a lame Turkish professor in a third rate Pennsylvanian college B. it's covered in polar snow ice C. it wants to make a Grizzly bear jealous D. its parents had white fur Which option is correct and why?
The correct answer is: its parents had white fur.
D
What is the low level of radiation that occurs naturally in the environment called?
[ "consequence radiation", "background radiation", "temperature radiation", "neon radiation" ]
background radiation
Answer the following multiple-choice question. Question: What is the low level of radiation that occurs naturally in the environment called? Options: A. consequence radiation B. background radiation C. temperature radiation D. neon radiation Which option is correct and why?
The correct answer is: background radiation.
B
A coal mine is what?
[ "a person who mines for coal", "a rare type of stone", "a place where coal is processed", "a mine that is beneath the earth where coal is found" ]
a mine that is beneath the earth where coal is found
Answer the following multiple-choice question. Question: A coal mine is what? Options: A. a person who mines for coal B. a rare type of stone C. a place where coal is processed D. a mine that is beneath the earth where coal is found Which option is correct and why?
The correct answer is: a mine that is beneath the earth where coal is found.
D
What color are the coastal waters where bacteria and algae that use sunlight to make food?
[ "Blue", "survive", "Grow", "live", "edible", "Yellow", "Green", "Clear" ]
Green
Answer the following multiple-choice question. Question: What color are the coastal waters where bacteria and algae that use sunlight to make food? Options: A. Blue B. survive C. Grow D. live E. edible F. Yellow G. Green H. Clear Which option is correct and why?
The correct answer is: Green.
A
sound can be heard when it reaches what?
[ "hearing organ", "brain", "eyes", "neck" ]
hearing organ
Answer the following multiple-choice question. Question: sound can be heard when it reaches what? Options: A. hearing organ B. brain C. eyes D. neck Which option is correct and why?
The correct answer is: hearing organ.
A
Webbed feet are used to move faster through what?
[ "rain", "winds", "clouds", "swamps" ]
swamps
Answer the following multiple-choice question. Question: Webbed feet are used to move faster through what? Options: A. rain B. winds C. clouds D. swamps Which option is correct and why?
The correct answer is: swamps.
D
In which continent are meerkats most likely to be found?
[ "South America", "africa", "North America", "Australia" ]
africa
Answer the following multiple-choice question. Question: In which continent are meerkats most likely to be found? Options: A. South America B. africa C. North America D. Australia Which option is correct and why?
The correct answer is: africa.
B
Most plants without attractive flowers use what to disperse pollen?
[ "animals", "wind", "Energy", "fronts", "UV", "LEDs", "insects", "bees" ]
wind
Answer the following multiple-choice question. Question: Most plants without attractive flowers use what to disperse pollen? Options: A. animals B. wind C. Energy D. fronts E. UV F. LEDs G. insects H. bees Which option is correct and why?
The correct answer is: wind.
B
What organ contributes about 60% of the volume of semen ?
[ "cilia", "complete vesicles", "long vesicles", "seminal vesicles" ]
seminal vesicles
Answer the following multiple-choice question. Question: What organ contributes about 60% of the volume of semen ? Options: A. cilia B. complete vesicles C. long vesicles D. seminal vesicles Which option is correct and why?
The correct answer is: seminal vesicles.
D
What can cause bodies of water to increase the amount of water they contain?
[ "flooding", "droughts", "hurricanes", "heat energy", "evaporation", "heat waves", "suction", "erosion" ]
hurricanes
Answer the following multiple-choice question. Question: What can cause bodies of water to increase the amount of water they contain? Options: A. flooding B. droughts C. hurricanes D. heat energy E. evaporation F. heat waves G. suction H. erosion Which option is correct and why?
The correct answer is: hurricanes.
C
What is the process in which cells make proteins called?
[ "factor synthesis", "protein synthesis", "light synthesis", "gas synthesis" ]
protein synthesis
Answer the following multiple-choice question. Question: What is the process in which cells make proteins called? Options: A. factor synthesis B. protein synthesis C. light synthesis D. gas synthesis Which option is correct and why?
The correct answer is: protein synthesis.
B
What provides protection for soft tissues and internal organs?
[ "fur and fat", "eye color", "peachleaf willow", "synapses", "a cuticle", "layers of fat", "nerves", "the skeleton" ]
the skeleton
Answer the following multiple-choice question. Question: What provides protection for soft tissues and internal organs? Options: A. fur and fat B. eye color C. peachleaf willow D. synapses E. a cuticle F. layers of fat G. nerves H. the skeleton Which option is correct and why?
The correct answer is: the skeleton.
A
What types of incest behaviors are controlled by genes?
[ "psychological behaviors like flying and mating", "physical behaviors like flying and mating", "byproduct behaviors like flying and mating", "instinctive behaviors like flying and mating" ]
instinctive behaviors like flying and mating
Answer the following multiple-choice question. Question: What types of incest behaviors are controlled by genes? Options: A. psychological behaviors like flying and mating B. physical behaviors like flying and mating C. byproduct behaviors like flying and mating D. instinctive behaviors like flying and mating Which option is correct and why?
The correct answer is: instinctive behaviors like flying and mating.
D
Where do fungi get their food?
[ "swamp vegetation", "decomposing dead organisms", "decomposition", "the environment", "mushrooms", "By wind and rain", "spores", "carbon dioxide" ]
decomposing dead organisms
Answer the following multiple-choice question. Question: Where do fungi get their food? Options: A. swamp vegetation B. decomposing dead organisms C. decomposition D. the environment E. mushrooms F. By wind and rain G. spores H. carbon dioxide Which option is correct and why?
The correct answer is: decomposing dead organisms.
B
A flower may consider its entire point in living to be
[ "propagating the animal kingdom", "making new flowers bloom", "feeding bees and making honey", "spreading its genetic components around" ]
spreading its genetic components around
Answer the following multiple-choice question. Question: A flower may consider its entire point in living to be Options: A. propagating the animal kingdom B. making new flowers bloom C. feeding bees and making honey D. spreading its genetic components around Which option is correct and why?
The correct answer is: spreading its genetic components around.
D
In mismatch repair, other enzymes remove and replace incorrectly paired nucleotides that have resulted from what?
[ "evolution errors", "replication errors", "interaction errors", "typing errors" ]
replication errors
Answer the following multiple-choice question. Question: In mismatch repair, other enzymes remove and replace incorrectly paired nucleotides that have resulted from what? Options: A. evolution errors B. replication errors C. interaction errors D. typing errors Which option is correct and why?
The correct answer is: replication errors.
B
Why do some animals have hair that grows longer during the winter?
[ "It expands", "to make braids", "to wear a scarf", "to attract mates", "When it's cold", "to stay warm", "It remains dormant", "genetic diversity" ]
to stay warm
Answer the following multiple-choice question. Question: Why do some animals have hair that grows longer during the winter? Options: A. It expands B. to make braids C. to wear a scarf D. to attract mates E. When it's cold F. to stay warm G. It remains dormant H. genetic diversity Which option is correct and why?
The correct answer is: to stay warm.
A
The cell walls of fungi are made of what?
[ "mucous", "lectin", "chitin", "cartilage" ]
chitin
Answer the following multiple-choice question. Question: The cell walls of fungi are made of what? Options: A. mucous B. lectin C. chitin D. cartilage Which option is correct and why?
The correct answer is: chitin.
C
The skull consists of cranial bones and what other type of bones?
[ "facial", "nasal", "superficial", "subdermal" ]
facial
Answer the following multiple-choice question. Question: The skull consists of cranial bones and what other type of bones? Options: A. facial B. nasal C. superficial D. subdermal Which option is correct and why?
The correct answer is: facial.
A
What will happen if more people bike instead of drive cars?
[ "more cars will be bought", "more deer will get hit by cars", "it will be easier to breathe", "less people will ride bikes" ]
it will be easier to breathe
Answer the following multiple-choice question. Question: What will happen if more people bike instead of drive cars? Options: A. more cars will be bought B. more deer will get hit by cars C. it will be easier to breathe D. less people will ride bikes Which option is correct and why?
The correct answer is: it will be easier to breathe.
C
A system of glands secretes what chemical messenger molecules into the blood?
[ "metabolytes", "acids", "hormones", "enzymes" ]
hormones
Answer the following multiple-choice question. Question: A system of glands secretes what chemical messenger molecules into the blood? Options: A. metabolytes B. acids C. hormones D. enzymes Which option is correct and why?
The correct answer is: hormones.
C
Heating an egg causes a _ reaction in the egg
[ "symptoms", "exothermic", "Evaporation", "entropic", "combustion", "voltage", "kinetic energy", "synthesis" ]
exothermic
Answer the following multiple-choice question. Question: Heating an egg causes a _ reaction in the egg Options: A. symptoms B. exothermic C. Evaporation D. entropic E. combustion F. voltage G. kinetic energy H. synthesis Which option is correct and why?
The correct answer is: exothermic.
B
What requires a lot of electricity?
[ "riding a bicycle", "An emergency lighting source.", "repair cells in the human body", "sleeping on the floor", "visiting a dam", "Something that take eight minutes to travel to the Earth", "Heating a metal filament.", "keeping food fresh for long periods of time" ]
keeping food fresh for long periods of time
Answer the following multiple-choice question. Question: What requires a lot of electricity? Options: A. riding a bicycle B. An emergency lighting source. C. repair cells in the human body D. sleeping on the floor E. visiting a dam F. Something that take eight minutes to travel to the Earth G. Heating a metal filament. H. keeping food fresh for long periods of time Which option is correct and why?
The correct answer is: keeping food fresh for long periods of time.
A
What is a waste product from fossil fuel burning?
[ "co2 emissions", "smog", "oxidation", "hydrogen gas" ]
co2 emissions
Answer the following multiple-choice question. Question: What is a waste product from fossil fuel burning? Options: A. co2 emissions B. smog C. oxidation D. hydrogen gas Which option is correct and why?
The correct answer is: co2 emissions.
A
what are gases from burning coal and oil dissolving in water in the atmosphere?
[ "harmful", "deadly", "h2o", "helpful", "dangerous", "vehicles", "green", "toxins" ]
harmful
Answer the following multiple-choice question. Question: what are gases from burning coal and oil dissolving in water in the atmosphere? Options: A. harmful B. deadly C. h2o D. helpful E. dangerous F. vehicles G. green H. toxins Which option is correct and why?
The correct answer is: harmful.
A
What is a carbon-based compound that is found in living things called?
[ "genetic compound", "organic compound", "biological compound", "biochemical compound" ]
biochemical compound
Answer the following multiple-choice question. Question: What is a carbon-based compound that is found in living things called? Options: A. genetic compound B. organic compound C. biological compound D. biochemical compound Which option is correct and why?
The correct answer is: biochemical compound.
D
If the leaves are removed from an oak tree, that can cause the tree to
[ "lose water", "lose acorns", "lose bark", "lose energy" ]
lose energy
Answer the following multiple-choice question. Question: If the leaves are removed from an oak tree, that can cause the tree to Options: A. lose water B. lose acorns C. lose bark D. lose energy Which option is correct and why?
The correct answer is: lose energy.
D
The risks of all types of skin cancer increases with increasing
[ "oxygen debt", "rays or beams", "electromagnetic energy", "scattered light", "temperature", "shadow boxing", "ozone depletion", "redshift" ]
ozone depletion
Answer the following multiple-choice question. Question: The risks of all types of skin cancer increases with increasing Options: A. oxygen debt B. rays or beams C. electromagnetic energy D. scattered light E. temperature F. shadow boxing G. ozone depletion H. redshift Which option is correct and why?
The correct answer is: ozone depletion.
A
Where is the cell wall located?
[ "in cell membrane", "in the chloroplast", "in the mitochondria", "outside cell membrane" ]
outside cell membrane
Answer the following multiple-choice question. Question: Where is the cell wall located? Options: A. in cell membrane B. in the chloroplast C. in the mitochondria D. outside cell membrane Which option is correct and why?
The correct answer is: outside cell membrane.
D
What evolved from a group of bipedal dinosaurs called theropods?
[ "alpacas", "bacteria", "hawks", "vision", "humans", "animals", "mammals", "viruses" ]
hawks
Answer the following multiple-choice question. Question: What evolved from a group of bipedal dinosaurs called theropods? Options: A. alpacas B. bacteria C. hawks D. vision E. humans F. animals G. mammals H. viruses Which option is correct and why?
The correct answer is: hawks.
C
Pollution is extremely difficult to contain in a
[ "refuse facility", "greenhouse", "the white house", "capital building" ]
refuse facility
Answer the following multiple-choice question. Question: Pollution is extremely difficult to contain in a Options: A. refuse facility B. greenhouse C. the white house D. capital building Which option is correct and why?
The correct answer is: refuse facility.
A
To grow, bamboo will require both of the following:
[ "light and electricity", "light and money", "light and mud", "oil and water" ]
light and mud
Answer the following multiple-choice question. Question: To grow, bamboo will require both of the following: Options: A. light and electricity B. light and money C. light and mud D. oil and water Which option is correct and why?
The correct answer is: light and mud.
C
What process provides over 99 percent of the energy for life on earth?
[ "photosynthesis", "glycolysis", "farming", "fracking" ]
photosynthesis
Answer the following multiple-choice question. Question: What process provides over 99 percent of the energy for life on earth? Options: A. photosynthesis B. glycolysis C. farming D. fracking Which option is correct and why?
The correct answer is: photosynthesis.
A
which of the following are a type of exercise?
[ "resistance activities", "fantasy football", "sitting down", "Relieve pain", "Something that is self-aware", "running for office", "animal behaviorists", "Riding a bike" ]
resistance activities
Answer the following multiple-choice question. Question: which of the following are a type of exercise? Options: A. resistance activities B. fantasy football C. sitting down D. Relieve pain E. Something that is self-aware F. running for office G. animal behaviorists H. Riding a bike Which option is correct and why?
The correct answer is: resistance activities.
A
What is a central nervous system stimulant?
[ "saccharose", "barbiturates", "cigarettes", "sweating", "muscle relaxants", "A Greek letter", "Decibels", "valium" ]
saccharose
Answer the following multiple-choice question. Question: What is a central nervous system stimulant? Options: A. saccharose B. barbiturates C. cigarettes D. sweating E. muscle relaxants F. A Greek letter G. Decibels H. valium Which option is correct and why?
The correct answer is: saccharose.
A
Debroglie proposed in 1924 that any object exhibits a wavelength that is inversely proportional to its?
[ "inertia", "velocity", "momentum", "frequency" ]
momentum
Answer the following multiple-choice question. Question: Debroglie proposed in 1924 that any object exhibits a wavelength that is inversely proportional to its? Options: A. inertia B. velocity C. momentum D. frequency Which option is correct and why?
The correct answer is: momentum.
C
what helps insulate and protect the body?
[ "h2o", "living cells in follicles", "layers of fat", "it has a positive impact on it", "viruses", "parasites", "They have thick fur", "with their fur" ]
living cells in follicles
Answer the following multiple-choice question. Question: what helps insulate and protect the body? Options: A. h2o B. living cells in follicles C. layers of fat D. it has a positive impact on it E. viruses F. parasites G. They have thick fur H. with their fur Which option is correct and why?
The correct answer is: living cells in follicles.
B
Eutherian mammals possess a specialized structure called the corpus callosum that links what hemispheres?
[ "spatial", "appendages", "cerebral", "cortical" ]
cerebral
Answer the following multiple-choice question. Question: Eutherian mammals possess a specialized structure called the corpus callosum that links what hemispheres? Options: A. spatial B. appendages C. cerebral D. cortical Which option is correct and why?
The correct answer is: cerebral.
C
Nephrons are the structural and functional units of the organ that filters what?
[ "Light", "Energy", "Coffee", "liquid", "Air", "Oxygen", "Blood", "Food" ]
Blood
Answer the following multiple-choice question. Question: Nephrons are the structural and functional units of the organ that filters what? Options: A. Light B. Energy C. Coffee D. liquid E. Air F. Oxygen G. Blood H. Food Which option is correct and why?
The correct answer is: Blood.
A
Change happens to what of a species in response to changes in the environment?
[ "only females", "colors of the spectrum", "It helps them survive", "only males", "successive generations", "By wind and rain", "stagnation", "characteristics" ]
successive generations
Answer the following multiple-choice question. Question: Change happens to what of a species in response to changes in the environment? Options: A. only females B. colors of the spectrum C. It helps them survive D. only males E. successive generations F. By wind and rain G. stagnation H. characteristics Which option is correct and why?
The correct answer is: successive generations.
E
What is the process of processing used material into new ones called?
[ "remake", "renew", "reuse", "recycling" ]
recycling
Answer the following multiple-choice question. Question: What is the process of processing used material into new ones called? Options: A. remake B. renew C. reuse D. recycling Which option is correct and why?
The correct answer is: recycling.
D
What is the rigid layer that is found outside the cell membrane and surrounds the cell?
[ "cell barrier", "cell shield", "cell root", "cell wall" ]
cell wall
Answer the following multiple-choice question. Question: What is the rigid layer that is found outside the cell membrane and surrounds the cell? Options: A. cell barrier B. cell shield C. cell root D. cell wall Which option is correct and why?
The correct answer is: cell wall.
D
What falls from the equator to the poles?
[ "rain", "warmth", "cold", "air quality", "summer", "Energy", "the planet's name", "heat" ]
heat
Answer the following multiple-choice question. Question: What falls from the equator to the poles? Options: A. rain B. warmth C. cold D. air quality E. summer F. Energy G. the planet's name H. heat Which option is correct and why?
The correct answer is: heat.
A
In the vast majority of ectopic pregnancies, the embryo does not complete its journey to what organ, and instead implants in the uterine tube?
[ "uterus", "vagina", "stomach", "ovaries" ]
uterus
Answer the following multiple-choice question. Question: In the vast majority of ectopic pregnancies, the embryo does not complete its journey to what organ, and instead implants in the uterine tube? Options: A. uterus B. vagina C. stomach D. ovaries Which option is correct and why?
The correct answer is: uterus.
A
Which blood leaves the placenta through veins leading back to the fetus?
[ "fetal", "immunity", "molecular", "pelvic" ]
fetal
Answer the following multiple-choice question. Question: Which blood leaves the placenta through veins leading back to the fetus? Options: A. fetal B. immunity C. molecular D. pelvic Which option is correct and why?
The correct answer is: fetal.
A
What is the outermost part of the sun's atmosphere called?
[ "corona", "particles", "ultraviolet", "rays" ]
corona
Answer the following multiple-choice question. Question: What is the outermost part of the sun's atmosphere called? Options: A. corona B. particles C. ultraviolet D. rays Which option is correct and why?
The correct answer is: corona.
A
Which two gases make up the bulk of earth's atmosphere?
[ "nitrogen and oxygen", "nitrogen and argon", "phosphorus and oxygen", "carbon and oxygen" ]
nitrogen and oxygen
Answer the following multiple-choice question. Question: Which two gases make up the bulk of earth's atmosphere? Options: A. nitrogen and oxygen B. nitrogen and argon C. phosphorus and oxygen D. carbon and oxygen Which option is correct and why?
The correct answer is: nitrogen and oxygen.
A
The structure of a neuron allows it to rapidly transmit nerve impulses to other what?
[ "proteins", "cells", "limbs", "muscles" ]
cells
Answer the following multiple-choice question. Question: The structure of a neuron allows it to rapidly transmit nerve impulses to other what? Options: A. proteins B. cells C. limbs D. muscles Which option is correct and why?
The correct answer is: cells.
B
What do you need to do to water to make it steam?
[ "freeze it", "stir it", "heat it", "cool it" ]
heat it
Answer the following multiple-choice question. Question: What do you need to do to water to make it steam? Options: A. freeze it B. stir it C. heat it D. cool it Which option is correct and why?
The correct answer is: heat it.
C
Seasonal water fall in Columbia causes whole towns to
[ "gain tourism", "have tea", "become clean", "slide away" ]
slide away
Answer the following multiple-choice question. Question: Seasonal water fall in Columbia causes whole towns to Options: A. gain tourism B. have tea C. become clean D. slide away Which option is correct and why?
The correct answer is: slide away.
D
In winter, water does what, becoming solid and causing hoses to rupture and engine blocks to crack?
[ "freeze", "shrinks", "crystallizes", "fractures" ]
freeze
Answer the following multiple-choice question. Question: In winter, water does what, becoming solid and causing hoses to rupture and engine blocks to crack? Options: A. freeze B. shrinks C. crystallizes D. fractures Which option is correct and why?
The correct answer is: freeze.
A
humans changing animal habitats usually causes harm to
[ "the residential things", "sneakers", "rocks", "clouds" ]
the residential things
Answer the following multiple-choice question. Question: humans changing animal habitats usually causes harm to Options: A. the residential things B. sneakers C. rocks D. clouds Which option is correct and why?
The correct answer is: the residential things.
A
What is another word for seed plants?
[ "protosperm", "echinoderm", "gymnosperm", "phyla" ]
gymnosperm
Answer the following multiple-choice question. Question: What is another word for seed plants? Options: A. protosperm B. echinoderm C. gymnosperm D. phyla Which option is correct and why?
The correct answer is: gymnosperm.
C
Air quality is a measure of what in the air?
[ "pollutants", "water", "clouds", "gases" ]
pollutants
Answer the following multiple-choice question. Question: Air quality is a measure of what in the air? Options: A. pollutants B. water C. clouds D. gases Which option is correct and why?
The correct answer is: pollutants.
A
What happens on the formation where water moves sediment downstream?
[ "mechanical", "watershred", "erosion", "cranes roost", "near the shoreline", "streams.", "it can be seen", "swamp vegetation" ]
cranes roost
Answer the following multiple-choice question. Question: What happens on the formation where water moves sediment downstream? Options: A. mechanical B. watershred C. erosion D. cranes roost E. near the shoreline F. streams. G. it can be seen H. swamp vegetation Which option is correct and why?
The correct answer is: cranes roost.
D
Adding heat energy to something can cook it, such as heating
[ "ice", "wood", "seashells", "cookie dough" ]
cookie dough
Answer the following multiple-choice question. Question: Adding heat energy to something can cook it, such as heating Options: A. ice B. wood C. seashells D. cookie dough Which option is correct and why?
The correct answer is: cookie dough.
D
What measures the shaking of the ground
[ "Seismometer", "sensory neurons", "Hygrometer", "Speedometer", "heat energy", "kinetic energy", "Force gauge", "power stations" ]
Seismometer
Answer the following multiple-choice question. Question: What measures the shaking of the ground Options: A. Seismometer B. sensory neurons C. Hygrometer D. Speedometer E. heat energy F. kinetic energy G. Force gauge H. power stations Which option is correct and why?
The correct answer is: Seismometer.
A