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The family cooked most of their food using a stove and
[ "magic", "ice", "luck", "electricity" ]
electricity
Answer the following multiple-choice question. Question: The family cooked most of their food using a stove and Options: A. magic B. ice C. luck D. electricity Which option is correct and why?
The correct answer is: electricity.
D
What is the name of the muscle that contracts to cause the joint to straighten?
[ "opposing", "extensor", "abductor", "flexor" ]
extensor
Answer the following multiple-choice question. Question: What is the name of the muscle that contracts to cause the joint to straighten? Options: A. opposing B. extensor C. abductor D. flexor Which option is correct and why?
The correct answer is: extensor.
B
Most carcinogens can cause cancer by causing mutations to what?
[ "that material's properties", "dexyribonucleic acid", "Veins and arteries.", "Chlorophyll", "harmful substances", "properties", "a lot of human deaths", "characteristics" ]
dexyribonucleic acid
Answer the following multiple-choice question. Question: Most carcinogens can cause cancer by causing mutations to what? Options: A. that material's properties B. dexyribonucleic acid C. Veins and arteries. D. Chlorophyll E. harmful substances F. properties G. a lot of human deaths H. characteristics Which option is correct and why?
The correct answer is: dexyribonucleic acid.
B
Which two states of matter have definite volumes?
[ "contrasts and liquids", "bacteria and liquids", "solids and liquids", "GAS AND LIQUIDS" ]
solids and liquids
Answer the following multiple-choice question. Question: Which two states of matter have definite volumes? Options: A. contrasts and liquids B. bacteria and liquids C. solids and liquids D. GAS AND LIQUIDS Which option is correct and why?
The correct answer is: solids and liquids.
C
Just under their skin, marine mammals have a very thick layer of insulating fat called what?
[ "blubber", "tissue", "cellulose", "lipisomes" ]
blubber
Answer the following multiple-choice question. Question: Just under their skin, marine mammals have a very thick layer of insulating fat called what? Options: A. blubber B. tissue C. cellulose D. lipisomes Which option is correct and why?
The correct answer is: blubber.
A
On a wet planet, the amount of seas will
[ "be dwarfed by land", "outnumber amounts of land", "be less than land amounts", "be smaller than land" ]
outnumber amounts of land
Answer the following multiple-choice question. Question: On a wet planet, the amount of seas will Options: A. be dwarfed by land B. outnumber amounts of land C. be less than land amounts D. be smaller than land Which option is correct and why?
The correct answer is: outnumber amounts of land.
B
A new what occurs once every 3 months?
[ "city", "climatic term", "hill", "wave" ]
climatic term
Answer the following multiple-choice question. Question: A new what occurs once every 3 months? Options: A. city B. climatic term C. hill D. wave Which option is correct and why?
The correct answer is: climatic term.
B
What contains more calcium than any other organ?
[ "fingernails", "gall bladder", "lungs", "bones" ]
bones
Answer the following multiple-choice question. Question: What contains more calcium than any other organ? Options: A. fingernails B. gall bladder C. lungs D. bones Which option is correct and why?
The correct answer is: bones.
D
The earth has continents that experience different things at different times, depending on where on Earth's axis it is, such as
[ "cartoons", "forests", "lunch", "Christmas" ]
Christmas
Answer the following multiple-choice question. Question: The earth has continents that experience different things at different times, depending on where on Earth's axis it is, such as Options: A. cartoons B. forests C. lunch D. Christmas Which option is correct and why?
The correct answer is: Christmas.
D
What does the vertebral column , or backbone, protect?
[ "spinal cord", "axons", "neurons", "disks" ]
spinal cord
Answer the following multiple-choice question. Question: What does the vertebral column , or backbone, protect? Options: A. spinal cord B. axons C. neurons D. disks Which option is correct and why?
The correct answer is: spinal cord.
A
Canoe paddles, nutcracker, and hammer are examples of what type of simple machine?
[ "pivot", "handle", "lock", "lever" ]
lever
Answer the following multiple-choice question. Question: Canoe paddles, nutcracker, and hammer are examples of what type of simple machine? Options: A. pivot B. handle C. lock D. lever Which option is correct and why?
The correct answer is: lever.
D
What keeps various species from mating and reproducing outside their own species?
[ "cancer organ incompatibility", "brain organ incompatibility", "digestive system incompatibility", "reproductive organ incompatibility" ]
reproductive organ incompatibility
Answer the following multiple-choice question. Question: What keeps various species from mating and reproducing outside their own species? Options: A. cancer organ incompatibility B. brain organ incompatibility C. digestive system incompatibility D. reproductive organ incompatibility Which option is correct and why?
The correct answer is: reproductive organ incompatibility.
D
What is the distance north or south of the equator called?
[ "longitude", "Prime Meridian", "latitude", "inclination" ]
latitude
Answer the following multiple-choice question. Question: What is the distance north or south of the equator called? Options: A. longitude B. Prime Meridian C. latitude D. inclination Which option is correct and why?
The correct answer is: latitude.
C
What are a source of fibers?
[ "water", "plantlife", "rocks", "air" ]
plantlife
Answer the following multiple-choice question. Question: What are a source of fibers? Options: A. water B. plantlife C. rocks D. air Which option is correct and why?
The correct answer is: plantlife.
B
What surrounds the lungs in a thoracic cavity?
[ "single membrane", "water", "double membrane", "calcium" ]
double membrane
Answer the following multiple-choice question. Question: What surrounds the lungs in a thoracic cavity? Options: A. single membrane B. water C. double membrane D. calcium Which option is correct and why?
The correct answer is: double membrane.
C
If a thing is going between liquid and solid, it is likely to
[ "visit a school", "be a door", "become less heavy", "measure consistently" ]
measure consistently
Answer the following multiple-choice question. Question: If a thing is going between liquid and solid, it is likely to Options: A. visit a school B. be a door C. become less heavy D. measure consistently Which option is correct and why?
The correct answer is: measure consistently.
D
It is vital to your health to have a
[ "good time", "jet ski", "plane", "colony of bacteria" ]
colony of bacteria
Answer the following multiple-choice question. Question: It is vital to your health to have a Options: A. good time B. jet ski C. plane D. colony of bacteria Which option is correct and why?
The correct answer is: colony of bacteria.
D
What helps ferns in reproduction?
[ "cell wall", "Fruits", "wind", "pollen", "sun", "seeds", "nectar", "earthquakes" ]
wind
Answer the following multiple-choice question. Question: What helps ferns in reproduction? Options: A. cell wall B. Fruits C. wind D. pollen E. sun F. seeds G. nectar H. earthquakes Which option is correct and why?
The correct answer is: wind.
C
What is glucose used for the bacteria?
[ "food", "energy", "fuel", "reproduction" ]
food
Answer the following multiple-choice question. Question: What is glucose used for the bacteria? Options: A. food B. energy C. fuel D. reproduction Which option is correct and why?
The correct answer is: food.
A
Plants in an incinerator would
[ "petrify", "freeze", "wilt", "cremate" ]
cremate
Answer the following multiple-choice question. Question: Plants in an incinerator would Options: A. petrify B. freeze C. wilt D. cremate Which option is correct and why?
The correct answer is: cremate.
D
Plants can tell the time of day and time of year by sensing and using various wavelengths of what
[ "sunlight", "lunar cycles", "precipitation", "moisture" ]
sunlight
Answer the following multiple-choice question. Question: Plants can tell the time of day and time of year by sensing and using various wavelengths of what Options: A. sunlight B. lunar cycles C. precipitation D. moisture Which option is correct and why?
The correct answer is: sunlight.
A
What primarily drives the hydrologic cycle to produce clouds?
[ "a stalking butler who upon the finger rests", "how soiled the clothing is", "energy from a gun", "energy from a central star" ]
energy from a central star
Answer the following multiple-choice question. Question: What primarily drives the hydrologic cycle to produce clouds? Options: A. a stalking butler who upon the finger rests B. how soiled the clothing is C. energy from a gun D. energy from a central star Which option is correct and why?
The correct answer is: energy from a central star.
D
The endocrine system consists of cells, tissues, and organs that secrete what critical to homeostasis?
[ "hormones", "saliva", "antibodies", "acids" ]
hormones
Answer the following multiple-choice question. Question: The endocrine system consists of cells, tissues, and organs that secrete what critical to homeostasis? Options: A. hormones B. saliva C. antibodies D. acids Which option is correct and why?
The correct answer is: hormones.
A
What is the name of the temporary organ that begins to form from the trophoblast layer of cells shortly after implantation?
[ "uterus", "embryo", "placenta", "appendix" ]
placenta
Answer the following multiple-choice question. Question: What is the name of the temporary organ that begins to form from the trophoblast layer of cells shortly after implantation? Options: A. uterus B. embryo C. placenta D. appendix Which option is correct and why?
The correct answer is: placenta.
C
What causes food to break down?
[ "Blood", "bacteria", "Enzymes", "Saliva", "sodium", "heat", "Esophogus", "Acids" ]
Enzymes
Answer the following multiple-choice question. Question: What causes food to break down? Options: A. Blood B. bacteria C. Enzymes D. Saliva E. sodium F. heat G. Esophogus H. Acids Which option is correct and why?
The correct answer is: Enzymes.
C
What colorful phenomenon occurs in the northern sky when particles from the sun energize ions in the thermosphere?
[ "aurora nervosa", "Coriolis effect", "meteor shower", "northern lights" ]
northern lights
Answer the following multiple-choice question. Question: What colorful phenomenon occurs in the northern sky when particles from the sun energize ions in the thermosphere? Options: A. aurora nervosa B. Coriolis effect C. meteor shower D. northern lights Which option is correct and why?
The correct answer is: northern lights.
D
Eagles eat
[ "hawks", "flying insects", "plants and grains", "small burrowing mammals" ]
small burrowing mammals
Answer the following multiple-choice question. Question: Eagles eat Options: A. hawks B. flying insects C. plants and grains D. small burrowing mammals Which option is correct and why?
The correct answer is: small burrowing mammals.
D
what adapts to cold temperatures?
[ "bears", "heat", "sheep", "cats", "koalas", "density", "Birds", "gravity" ]
cats
Answer the following multiple-choice question. Question: what adapts to cold temperatures? Options: A. bears B. heat C. sheep D. cats E. koalas F. density G. Birds H. gravity Which option is correct and why?
The correct answer is: cats.
D
A thermal insulator slows the transfer of what?
[ "warmness", "light", "energy", "liquid" ]
warmness
Answer the following multiple-choice question. Question: A thermal insulator slows the transfer of what? Options: A. warmness B. light C. energy D. liquid Which option is correct and why?
The correct answer is: warmness.
A
The determination of what is coiled structures made of DNA and proteins?
[ "PDAs", "ligt", "complex", "gender", "improve", "SO2", "three", "alleles" ]
gender
Answer the following multiple-choice question. Question: The determination of what is coiled structures made of DNA and proteins? Options: A. PDAs B. ligt C. complex D. gender E. improve F. SO2 G. three H. alleles Which option is correct and why?
The correct answer is: gender.
D
Severe droughts may cause
[ "evolution", "population growth", "forest is destroyed", "species variation", "major threat to health", "Dehydration", "the ground shaking", "a bottleneck effect" ]
a bottleneck effect
Answer the following multiple-choice question. Question: Severe droughts may cause Options: A. evolution B. population growth C. forest is destroyed D. species variation E. major threat to health F. Dehydration G. the ground shaking H. a bottleneck effect Which option is correct and why?
The correct answer is: a bottleneck effect.
A
Who first discovered the moons of jupiter in 1610?
[ "Socrates", "Newton", "darwin", "galileo" ]
galileo
Answer the following multiple-choice question. Question: Who first discovered the moons of jupiter in 1610? Options: A. Socrates B. Newton C. darwin D. galileo Which option is correct and why?
The correct answer is: galileo.
D
Where can tropical animals that resemble earthworms be found?
[ "dry conditions", "our planet", "floor", "storing water", "less water", "moist soil", "dry soil", "jungle" ]
moist soil
Answer the following multiple-choice question. Question: Where can tropical animals that resemble earthworms be found? Options: A. dry conditions B. our planet C. floor D. storing water E. less water F. moist soil G. dry soil H. jungle Which option is correct and why?
The correct answer is: moist soil.
A
A warm glass place in the fridge will
[ "glow", "condensate", "shrink", "crack" ]
condensate
Answer the following multiple-choice question. Question: A warm glass place in the fridge will Options: A. glow B. condensate C. shrink D. crack Which option is correct and why?
The correct answer is: condensate.
B
Even though tellurium does indeed have a greater average atomic mass than iodine, it is properly placed before iodine in the?
[ "periodic table", "theory table", "phases table", "cycles table" ]
periodic table
Answer the following multiple-choice question. Question: Even though tellurium does indeed have a greater average atomic mass than iodine, it is properly placed before iodine in the? Options: A. periodic table B. theory table C. phases table D. cycles table Which option is correct and why?
The correct answer is: periodic table.
A
Torpor, a process that leads to a decrease in activity and metabolism and allows animals to survive adverse conditions, includes what long winter 'sleep'?
[ "relaxation", "fermentation", "hibernation", "pollination" ]
hibernation
Answer the following multiple-choice question. Question: Torpor, a process that leads to a decrease in activity and metabolism and allows animals to survive adverse conditions, includes what long winter 'sleep'? Options: A. relaxation B. fermentation C. hibernation D. pollination Which option is correct and why?
The correct answer is: hibernation.
C
What type of energy generated by the bulbs is wasted?
[ "warmth", "stored", "motion", "light", "oil", "heat", "sugar", "mostly" ]
heat
Answer the following multiple-choice question. Question: What type of energy generated by the bulbs is wasted? Options: A. warmth B. stored C. motion D. light E. oil F. heat G. sugar H. mostly Which option is correct and why?
The correct answer is: heat.
A
Animals use saturated fatty acids to create what?
[ "stationary potential energy", "it helps plants in growing", "animal houses", "elaborate meals", "To keep their body heat.", "it keeps an organism warm", "Monosaccharides", "energized conversations" ]
stationary potential energy
Answer the following multiple-choice question. Question: Animals use saturated fatty acids to create what? Options: A. stationary potential energy B. it helps plants in growing C. animal houses D. elaborate meals E. To keep their body heat. F. it keeps an organism warm G. Monosaccharides H. energized conversations Which option is correct and why?
The correct answer is: stationary potential energy.
A
what describes behaviors that improve fitness?
[ "staying warm", "mass", "Darwinism", "Riding a bike", "death", "survive", "density", "positive" ]
Darwinism
Answer the following multiple-choice question. Question: what describes behaviors that improve fitness? Options: A. staying warm B. mass C. Darwinism D. Riding a bike E. death F. survive G. density H. positive Which option is correct and why?
The correct answer is: Darwinism.
C
Light retains its original color under water because what remains the same when light is refracted?
[ "frequency", "sound", "wave length", "density" ]
frequency
Answer the following multiple-choice question. Question: Light retains its original color under water because what remains the same when light is refracted? Options: A. frequency B. sound C. wave length D. density Which option is correct and why?
The correct answer is: frequency.
A
What unit is used to measure the intensity of matter vibrating?
[ "Joules", "mechanical", "Nanometers", "Decibels", "Hertz", "waves", "power", "a prism" ]
Decibels
Answer the following multiple-choice question. Question: What unit is used to measure the intensity of matter vibrating? Options: A. Joules B. mechanical C. Nanometers D. Decibels E. Hertz F. waves G. power H. a prism Which option is correct and why?
The correct answer is: Decibels.
D
In science, what do you call something that always applies under the same conditions?
[ "scientific method", "hypothesis", "theory", "scientific law" ]
scientific law
Answer the following multiple-choice question. Question: In science, what do you call something that always applies under the same conditions? Options: A. scientific method B. hypothesis C. theory D. scientific law Which option is correct and why?
The correct answer is: scientific law.
D
What increases survival?
[ "root growth", "Chlorophyll", "death", "Lack of water", "Lack of food", "fur and fat", "Evolving adaptations", "Fully cooking the oysters" ]
Evolving adaptations
Answer the following multiple-choice question. Question: What increases survival? Options: A. root growth B. Chlorophyll C. death D. Lack of water E. Lack of food F. fur and fat G. Evolving adaptations H. Fully cooking the oysters Which option is correct and why?
The correct answer is: Evolving adaptations.
A
Phase labels - and even special conditions - are sometimes included for the substances that are part of what?
[ "chemical equations", "solid equations", "carbon equations", "toxic equations" ]
chemical equations
Answer the following multiple-choice question. Question: Phase labels - and even special conditions - are sometimes included for the substances that are part of what? Options: A. chemical equations B. solid equations C. carbon equations D. toxic equations Which option is correct and why?
The correct answer is: chemical equations.
A
In a fuel cell, energy is not stored; electrical energy is provided by what?
[ "fusion reaction", "consumption reaction", "carbon reaction", "chemical reaction" ]
chemical reaction
Answer the following multiple-choice question. Question: In a fuel cell, energy is not stored; electrical energy is provided by what? Options: A. fusion reaction B. consumption reaction C. carbon reaction D. chemical reaction Which option is correct and why?
The correct answer is: chemical reaction.
D
It changes from winter to spring because of a
[ "moon", "cloud", "star", "sky" ]
star
Answer the following multiple-choice question. Question: It changes from winter to spring because of a Options: A. moon B. cloud C. star D. sky Which option is correct and why?
The correct answer is: star.
C
What can friction due to gravity cause?
[ "smoothing", "energy", "heat energy", "waves", "erosion", "sweating", "an object", "Energy." ]
smoothing
Answer the following multiple-choice question. Question: What can friction due to gravity cause? Options: A. smoothing B. energy C. heat energy D. waves E. erosion F. sweating G. an object H. Energy. Which option is correct and why?
The correct answer is: smoothing.
A
Feces on the ground is an indicator of a nearby
[ "organic being", "fish", "plush animal", "deceased animal" ]
organic being
Answer the following multiple-choice question. Question: Feces on the ground is an indicator of a nearby Options: A. organic being B. fish C. plush animal D. deceased animal Which option is correct and why?
The correct answer is: organic being.
A
What do vaccines produce to combat viral diseases?
[ "sensitivity", "immunity", "hyperthyroidism", "sterility" ]
immunity
Answer the following multiple-choice question. Question: What do vaccines produce to combat viral diseases? Options: A. sensitivity B. immunity C. hyperthyroidism D. sterility Which option is correct and why?
The correct answer is: immunity.
B
Under certain conditions, electric current causes what type of field?
[ "kinetic", "light", "magnetic", "seismic" ]
magnetic
Answer the following multiple-choice question. Question: Under certain conditions, electric current causes what type of field? Options: A. kinetic B. light C. magnetic D. seismic Which option is correct and why?
The correct answer is: magnetic.
C
Scavengers take in food by eating what?
[ "live prey", "plants", "dead prey", "heat energy", "fur and fat", "insects", "barnacles", "rocks" ]
dead prey
Answer the following multiple-choice question. Question: Scavengers take in food by eating what? Options: A. live prey B. plants C. dead prey D. heat energy E. fur and fat F. insects G. barnacles H. rocks Which option is correct and why?
The correct answer is: dead prey.
C
What can secrete an exoskeleton that builds up to become a reef?
[ "graptolites", "some invertebrates", "remains of prehistoric life", "humans", "insects", "gastropod shells", "barnacles", "all invertebrates" ]
some invertebrates
Answer the following multiple-choice question. Question: What can secrete an exoskeleton that builds up to become a reef? Options: A. graptolites B. some invertebrates C. remains of prehistoric life D. humans E. insects F. gastropod shells G. barnacles H. all invertebrates Which option is correct and why?
The correct answer is: some invertebrates.
B
If your pet bird is having trouble flying
[ "lock them in their cage more", "give up and get a new bird", "try putting them on a diet", "take away all their perches" ]
try putting them on a diet
Answer the following multiple-choice question. Question: If your pet bird is having trouble flying Options: A. lock them in their cage more B. give up and get a new bird C. try putting them on a diet D. take away all their perches Which option is correct and why?
The correct answer is: try putting them on a diet.
C
Invasive plants in an ecosystem often lead to
[ "overpopulation", "rainy weather", "rashes", "GMOs" ]
overpopulation
Answer the following multiple-choice question. Question: Invasive plants in an ecosystem often lead to Options: A. overpopulation B. rainy weather C. rashes D. GMOs Which option is correct and why?
The correct answer is: overpopulation.
A
During the time the moon orbits the Earth 13 times the Earth orbits the sun
[ "once", "twice", "three times", "four times" ]
once
Answer the following multiple-choice question. Question: During the time the moon orbits the Earth 13 times the Earth orbits the sun Options: A. once B. twice C. three times D. four times Which option is correct and why?
The correct answer is: once.
A
Kittens can learn behavior through what?
[ "touch", "sports", "inheritance", "sleep", "genes", "motion", "sound", "play" ]
play
Answer the following multiple-choice question. Question: Kittens can learn behavior through what? Options: A. touch B. sports C. inheritance D. sleep E. genes F. motion G. sound H. play Which option is correct and why?
The correct answer is: play.
A
Hummingbirds take what with them
[ "Bees", "energy", "Pollen", "Honey" ]
Pollen
Answer the following multiple-choice question. Question: Hummingbirds take what with them Options: A. Bees B. energy C. Pollen D. Honey Which option is correct and why?
The correct answer is: Pollen.
C
What has a positive net impact on an environment?
[ "placing sapling seeds in the ground", "deforesting a dry environment", "introducing new species there", "tilling the soil of the area" ]
placing sapling seeds in the ground
Answer the following multiple-choice question. Question: What has a positive net impact on an environment? Options: A. placing sapling seeds in the ground B. deforesting a dry environment C. introducing new species there D. tilling the soil of the area Which option is correct and why?
The correct answer is: placing sapling seeds in the ground.
A
What do trees release during the day but not at night?
[ "Energy", "water", "He", "Ce", "chemicals", "Energy.", "heat", "oxygen" ]
oxygen
Answer the following multiple-choice question. Question: What do trees release during the day but not at night? Options: A. Energy B. water C. He D. Ce E. chemicals F. Energy. G. heat H. oxygen Which option is correct and why?
The correct answer is: oxygen.
A
All atoms of the same element share the same number of what type of particle?
[ "protons", "neutrons", "nucleus", "quarks" ]
protons
Answer the following multiple-choice question. Question: All atoms of the same element share the same number of what type of particle? Options: A. protons B. neutrons C. nucleus D. quarks Which option is correct and why?
The correct answer is: protons.
A
Heavy rains and runoff can cause what?
[ "a lot of human deaths", "water seeping out", "precipitation", "Deposition.", "lack of water", "Deposition", "drought", "dry air" ]
water seeping out
Answer the following multiple-choice question. Question: Heavy rains and runoff can cause what? Options: A. a lot of human deaths B. water seeping out C. precipitation D. Deposition. E. lack of water F. Deposition G. drought H. dry air Which option is correct and why?
The correct answer is: water seeping out.
B
What can be caused by rain?
[ "landslides", "Water expanding", "deforestation", "salinity", "vaporization", "flooding", "Pollution", "contamination" ]
landslides
Answer the following multiple-choice question. Question: What can be caused by rain? Options: A. landslides B. Water expanding C. deforestation D. salinity E. vaporization F. flooding G. Pollution H. contamination Which option is correct and why?
The correct answer is: landslides.
A
What process changes a liquid to a gas without boiling?
[ "bubbling", "absorption", "melting", "evaporation" ]
evaporation
Answer the following multiple-choice question. Question: What process changes a liquid to a gas without boiling? Options: A. bubbling B. absorption C. melting D. evaporation Which option is correct and why?
The correct answer is: evaporation.
D
What are formed by natural geological processes?
[ "animals", "lifeless matter", "air flow", "companies" ]
lifeless matter
Answer the following multiple-choice question. Question: What are formed by natural geological processes? Options: A. animals B. lifeless matter C. air flow D. companies Which option is correct and why?
The correct answer is: lifeless matter.
B
What causes cloudy and rainy weather?
[ "Cold air forming fog", "a hemisphere is tilted away from the sun", "Warm air near the oceans", "Breathing too fast or too slow", "Cold winds near the mountains", "Warm air moving into cold air", "Earth's axis of rotation is tilted", "extreme heat and pressure" ]
Warm air moving into cold air
Answer the following multiple-choice question. Question: What causes cloudy and rainy weather? Options: A. Cold air forming fog B. a hemisphere is tilted away from the sun C. Warm air near the oceans D. Breathing too fast or too slow E. Cold winds near the mountains F. Warm air moving into cold air G. Earth's axis of rotation is tilted H. extreme heat and pressure Which option is correct and why?
The correct answer is: Warm air moving into cold air.
A
The level of atom activity where it reaches a moment where the solid state becomes more loose overall is referred to?
[ "smoothness", "water fluid", "liquidity", "fluid transport" ]
liquidity
Answer the following multiple-choice question. Question: The level of atom activity where it reaches a moment where the solid state becomes more loose overall is referred to? Options: A. smoothness B. water fluid C. liquidity D. fluid transport Which option is correct and why?
The correct answer is: liquidity.
C
Within the microsporangium, the microspore mother cell divides by meiosis to give rise to four microspores, each of which will ultimately form this?
[ "ova", "pollen grain", "sperm cell", "zygote" ]
pollen grain
Answer the following multiple-choice question. Question: Within the microsporangium, the microspore mother cell divides by meiosis to give rise to four microspores, each of which will ultimately form this? Options: A. ova B. pollen grain C. sperm cell D. zygote Which option is correct and why?
The correct answer is: pollen grain.
B
What is the basis for natural selection?
[ "animals", "Artificial construct", "stasis", "root growth", "mutation", "magic", "trees", "competition" ]
mutation
Answer the following multiple-choice question. Question: What is the basis for natural selection? Options: A. animals B. Artificial construct C. stasis D. root growth E. mutation F. magic G. trees H. competition Which option is correct and why?
The correct answer is: mutation.
E
Upon entering the vestibular canal, the pressure waves push down on what duct?
[ "the implant", "the regrowth", "the cochlear", "the bile" ]
the cochlear
Answer the following multiple-choice question. Question: Upon entering the vestibular canal, the pressure waves push down on what duct? Options: A. the implant B. the regrowth C. the cochlear D. the bile Which option is correct and why?
The correct answer is: the cochlear.
C
What causes weathering when interacting with wind?
[ "technology", "soils", "graptolites", "loose soil", "erosion", "limestone", "plants", "apes" ]
limestone
Answer the following multiple-choice question. Question: What causes weathering when interacting with wind? Options: A. technology B. soils C. graptolites D. loose soil E. erosion F. limestone G. plants H. apes Which option is correct and why?
The correct answer is: limestone.
A
as rainfall increases in an area, electricity will be less and less available for
[ "solar panels", "energy", "coal power plants", "wind turbines" ]
solar panels
Answer the following multiple-choice question. Question: as rainfall increases in an area, electricity will be less and less available for Options: A. solar panels B. energy C. coal power plants D. wind turbines Which option is correct and why?
The correct answer is: solar panels.
A
What is defined as the ability to cause changes in matter?
[ "nuclear", "momentum", "evolution", "energy" ]
energy
Answer the following multiple-choice question. Question: What is defined as the ability to cause changes in matter? Options: A. nuclear B. momentum C. evolution D. energy Which option is correct and why?
The correct answer is: energy.
D
Dormant cane toads emerges from mud to ended their
[ "long slumber", "day", "life", "meeting" ]
long slumber
Answer the following multiple-choice question. Question: Dormant cane toads emerges from mud to ended their Options: A. long slumber B. day C. life D. meeting Which option is correct and why?
The correct answer is: long slumber.
A
Metals are elements that can conduct what?
[ "electricity", "orchestras", "pollution", "cycle" ]
electricity
Answer the following multiple-choice question. Question: Metals are elements that can conduct what? Options: A. electricity B. orchestras C. pollution D. cycle Which option is correct and why?
The correct answer is: electricity.
A
what suddenly gets much smaller with the bottleneck effect
[ "a lot of human deaths", "tectonic plates being pushed together", "our nearest star", "Decreased precipitation", "Inches or fractions of inches.", "large groups of individuals", "the wearing away of rock", "a hemisphere is tilted away from the sun" ]
large groups of individuals
Answer the following multiple-choice question. Question: what suddenly gets much smaller with the bottleneck effect Options: A. a lot of human deaths B. tectonic plates being pushed together C. our nearest star D. Decreased precipitation E. Inches or fractions of inches. F. large groups of individuals G. the wearing away of rock H. a hemisphere is tilted away from the sun Which option is correct and why?
The correct answer is: large groups of individuals.
A
Birds give birth to their babies while still in an egg. Mammals, however, give birth to their babies
[ "scrambled", "already alive", "dead", "Old" ]
already alive
Answer the following multiple-choice question. Question: Birds give birth to their babies while still in an egg. Mammals, however, give birth to their babies Options: A. scrambled B. already alive C. dead D. Old Which option is correct and why?
The correct answer is: already alive.
B
Invisible forces work to keep the moon near the
[ "sun", "uranus", "mars", "our home planet" ]
our home planet
Answer the following multiple-choice question. Question: Invisible forces work to keep the moon near the Options: A. sun B. uranus C. mars D. our home planet Which option is correct and why?
The correct answer is: our home planet.
D
When both a dominant and recessive gene are present, the dominate what will be visible?
[ "society", "feature", "person", "path" ]
feature
Answer the following multiple-choice question. Question: When both a dominant and recessive gene are present, the dominate what will be visible? Options: A. society B. feature C. person D. path Which option is correct and why?
The correct answer is: feature.
B
What is the thick fluid in the space between bones that cushions the joint?
[ "synovial fluid", "amniotic fluid", "interstitial fluid", "collagen" ]
synovial fluid
Answer the following multiple-choice question. Question: What is the thick fluid in the space between bones that cushions the joint? Options: A. synovial fluid B. amniotic fluid C. interstitial fluid D. collagen Which option is correct and why?
The correct answer is: synovial fluid.
A
Plants use chlorophyll to
[ "get rid of waste", "absorb energy that the closest star provides", "keep warm from thermal energy", "absorb light colored food from the soil" ]
absorb energy that the closest star provides
Answer the following multiple-choice question. Question: Plants use chlorophyll to Options: A. get rid of waste B. absorb energy that the closest star provides C. keep warm from thermal energy D. absorb light colored food from the soil Which option is correct and why?
The correct answer is: absorb energy that the closest star provides.
B
What kind of a relationship do plants and soil have?
[ "one-way relationship", "dimorphic relationship", "two-way relationship", "contentious relationship" ]
two-way relationship
Answer the following multiple-choice question. Question: What kind of a relationship do plants and soil have? Options: A. one-way relationship B. dimorphic relationship C. two-way relationship D. contentious relationship Which option is correct and why?
The correct answer is: two-way relationship.
C
The earth's magnetic poles have done what repeatedly in the past?
[ "stayed the same", "demagnetized", "rotated", "switched places" ]
switched places
Answer the following multiple-choice question. Question: The earth's magnetic poles have done what repeatedly in the past? Options: A. stayed the same B. demagnetized C. rotated D. switched places Which option is correct and why?
The correct answer is: switched places.
D
German doctor rudolf virchow first discovered what process when studying living cells under a microscope?
[ "photosynthesis", "radiation", "evolution", "cell division" ]
cell division
Answer the following multiple-choice question. Question: German doctor rudolf virchow first discovered what process when studying living cells under a microscope? Options: A. photosynthesis B. radiation C. evolution D. cell division Which option is correct and why?
The correct answer is: cell division.
D
what does an object reflect toward the eye to be seen?
[ "rain or sun shine", "kinetic energy", "Energy.", "heat energy", "rays or beams", "sensory neurons", "Electrical energy", "sunlight" ]
rays or beams
Answer the following multiple-choice question. Question: what does an object reflect toward the eye to be seen? Options: A. rain or sun shine B. kinetic energy C. Energy. D. heat energy E. rays or beams F. sensory neurons G. Electrical energy H. sunlight Which option is correct and why?
The correct answer is: rays or beams.
E
Inside a cylinder, thermal energy is converted to what type of energy of the moving piston?
[ "electrochemical energy", "residual energy", "horsepower", "kinetic energy" ]
kinetic energy
Answer the following multiple-choice question. Question: Inside a cylinder, thermal energy is converted to what type of energy of the moving piston? Options: A. electrochemical energy B. residual energy C. horsepower D. kinetic energy Which option is correct and why?
The correct answer is: kinetic energy.
D
What would be more attracted to a magnet?
[ "wood", "A dog", "a cloud", "A zipper" ]
A zipper
Answer the following multiple-choice question. Question: What would be more attracted to a magnet? Options: A. wood B. A dog C. a cloud D. A zipper Which option is correct and why?
The correct answer is: A zipper.
D
Something that swims from male to female reproductive organs for fertilization uses what to move?
[ "Energy", "Tail", "Brain", "seeds", "Legs", "Arms", "a path", "heat" ]
Tail
Answer the following multiple-choice question. Question: Something that swims from male to female reproductive organs for fertilization uses what to move? Options: A. Energy B. Tail C. Brain D. seeds E. Legs F. Arms G. a path H. heat Which option is correct and why?
The correct answer is: Tail.
B
What usually causes fractures on a bone?
[ "extra weight", "shear stress", "excessive bending stress", "compressive stress" ]
excessive bending stress
Answer the following multiple-choice question. Question: What usually causes fractures on a bone? Options: A. extra weight B. shear stress C. excessive bending stress D. compressive stress Which option is correct and why?
The correct answer is: excessive bending stress.
C
How do male dogs mark their territory?
[ "Chemical energy", "Hot dog eating contest", "Adequate signage", "with their fur", "Scent marker", "heat produced", "mate with females", "Paint" ]
Scent marker
Answer the following multiple-choice question. Question: How do male dogs mark their territory? Options: A. Chemical energy B. Hot dog eating contest C. Adequate signage D. with their fur E. Scent marker F. heat produced G. mate with females H. Paint Which option is correct and why?
The correct answer is: Scent marker.
E
When is timing critical?
[ "a hemisphere is tilted away from the sun", "object is kicked", "movement of tectonic plates", "flow of electrons", "when the sperm and egg fuse", "Earth revolving around the sun", "Warm air moving into cold air", "seed dispersal" ]
when the sperm and egg fuse
Answer the following multiple-choice question. Question: When is timing critical? Options: A. a hemisphere is tilted away from the sun B. object is kicked C. movement of tectonic plates D. flow of electrons E. when the sperm and egg fuse F. Earth revolving around the sun G. Warm air moving into cold air H. seed dispersal Which option is correct and why?
The correct answer is: when the sperm and egg fuse.
E
What does an animal require to move?
[ "fat", "air", "skin", "warmth", "bone movement", "H20", "food", "heat" ]
food
Answer the following multiple-choice question. Question: What does an animal require to move? Options: A. fat B. air C. skin D. warmth E. bone movement F. H20 G. food H. heat Which option is correct and why?
The correct answer is: food.
A
During which process in bacteria do the chromosome replicates and the two daughter chromosomes actively move apart?
[ "secondary fission", "function fission", "binary fission", "matter fission" ]
binary fission
Answer the following multiple-choice question. Question: During which process in bacteria do the chromosome replicates and the two daughter chromosomes actively move apart? Options: A. secondary fission B. function fission C. binary fission D. matter fission Which option is correct and why?
The correct answer is: binary fission.
C
What is the final stage of cell division in eukaryotes?
[ "photosynthesis", "division of bodies", "metabolic reaction", "It helps them survive", "Leptospirosis", "division of brains", "division of organs", "Division of the cytoplasm" ]
Division of the cytoplasm
Answer the following multiple-choice question. Question: What is the final stage of cell division in eukaryotes? Options: A. photosynthesis B. division of bodies C. metabolic reaction D. It helps them survive E. Leptospirosis F. division of brains G. division of organs H. Division of the cytoplasm Which option is correct and why?
The correct answer is: Division of the cytoplasm.
A
Unlike archaea and eukaryotes, bacteria have a cell wall made of what?
[ "substrates", "hydrogen", "phospholipids", "peptidoglycan" ]
peptidoglycan
Answer the following multiple-choice question. Question: Unlike archaea and eukaryotes, bacteria have a cell wall made of what? Options: A. substrates B. hydrogen C. phospholipids D. peptidoglycan Which option is correct and why?
The correct answer is: peptidoglycan.
D
What allows giraffes to reach leaves that other ground animals cannot?
[ "camouflage pattern", "long horns", "long necks", "long tongue" ]
long necks
Answer the following multiple-choice question. Question: What allows giraffes to reach leaves that other ground animals cannot? Options: A. camouflage pattern B. long horns C. long necks D. long tongue Which option is correct and why?
The correct answer is: long necks.
C
The air was cold, so all night the sheep kept
[ "sleeping", "shaking", "jumping", "running." ]
shaking
Answer the following multiple-choice question. Question: The air was cold, so all night the sheep kept Options: A. sleeping B. shaking C. jumping D. running. Which option is correct and why?
The correct answer is: shaking.
B
When a stalactite and stalagmite join together, they form a what?
[ "joint", "cave", "ladder", "column" ]
column
Answer the following multiple-choice question. Question: When a stalactite and stalagmite join together, they form a what? Options: A. joint B. cave C. ladder D. column Which option is correct and why?
The correct answer is: column.
D
What causes the chemical disintegration of rocks?
[ "Dynamite", "Gases", "Disintegration rays", "Moss", "wind", "Hammers", "fungus", "fungi" ]
Moss
Answer the following multiple-choice question. Question: What causes the chemical disintegration of rocks? Options: A. Dynamite B. Gases C. Disintegration rays D. Moss E. wind F. Hammers G. fungus H. fungi Which option is correct and why?
The correct answer is: Moss.
D
What celestial body in the solar system makes up most of its total mass?
[ "sun", "Andromeda", "Jupiter", "earth" ]
sun
Answer the following multiple-choice question. Question: What celestial body in the solar system makes up most of its total mass? Options: A. sun B. Andromeda C. Jupiter D. earth Which option is correct and why?
The correct answer is: sun.
A
What type of proteins are only temporarily associated with the membrane?
[ "peripheral membrane proteins", "peripheral oxidation proteins", "visual membrane proteins", "sensitive rod proteins" ]
peripheral membrane proteins
Answer the following multiple-choice question. Question: What type of proteins are only temporarily associated with the membrane? Options: A. peripheral membrane proteins B. peripheral oxidation proteins C. visual membrane proteins D. sensitive rod proteins Which option is correct and why?
The correct answer is: peripheral membrane proteins.
A