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What doesn't a phase change alter?
[ "Glaciers", "our star", "hormones", "Weight", "Temperature", "Warmth", "an object", "trout" ]
Weight
Answer the following multiple-choice question. Question: What doesn't a phase change alter? Options: A. Glaciers B. our star C. hormones D. Weight E. Temperature F. Warmth G. an object H. trout Which option is correct and why?
The correct answer is: Weight.
D
What happens in the archegonium?
[ "eggs separate", "Earth orbiting the Sun", "sperm and egg fuse", "competition", "fallopian tubes join", "permineralization", "It expands", "cloning" ]
sperm and egg fuse
Answer the following multiple-choice question. Question: What happens in the archegonium? Options: A. eggs separate B. Earth orbiting the Sun C. sperm and egg fuse D. competition E. fallopian tubes join F. permineralization G. It expands H. cloning Which option is correct and why?
The correct answer is: sperm and egg fuse.
C
How many seconds would it most likely take to get to Mars?
[ "4000000000000000000000 seconds", "40 seconds", "400 seconds", "4 seconds" ]
4000000000000000000000 seconds
Answer the following multiple-choice question. Question: How many seconds would it most likely take to get to Mars? Options: A. 4000000000000000000000 seconds B. 40 seconds C. 400 seconds D. 4 seconds Which option is correct and why?
The correct answer is: 4000000000000000000000 seconds.
A
Ingestive protists extend their cell wall and cell membrane around the food item, forming a what?
[ "food pocket", "protective bubble", "food vacuole", "fuel vacuole" ]
food vacuole
Answer the following multiple-choice question. Question: Ingestive protists extend their cell wall and cell membrane around the food item, forming a what? Options: A. food pocket B. protective bubble C. food vacuole D. fuel vacuole Which option is correct and why?
The correct answer is: food vacuole.
C
what do some viruses live in a dormant state inside?
[ "alveoli", "Epidermis", "clouds", "plants", "HIV", "animals", "humans", "volume" ]
humans
Answer the following multiple-choice question. Question: what do some viruses live in a dormant state inside? Options: A. alveoli B. Epidermis C. clouds D. plants E. HIV F. animals G. humans H. volume Which option is correct and why?
The correct answer is: humans.
A
What has radial symmetry?
[ "peachleaf willow", "sea urchins", "humans", "gastropod shells", "A Greek letter", "asymmetry", "dogs", "Most plants" ]
sea urchins
Answer the following multiple-choice question. Question: What has radial symmetry? Options: A. peachleaf willow B. sea urchins C. humans D. gastropod shells E. A Greek letter F. asymmetry G. dogs H. Most plants Which option is correct and why?
The correct answer is: sea urchins.
B
Insects have more social behaviors because all what?
[ "have a positive impact on the environment", "it helps plants in growing", "retaining heat", "mate with females", "produce offspring", "family members are relatives", "characteristics", "sub-units of species" ]
family members are relatives
Answer the following multiple-choice question. Question: Insects have more social behaviors because all what? Options: A. have a positive impact on the environment B. it helps plants in growing C. retaining heat D. mate with females E. produce offspring F. family members are relatives G. characteristics H. sub-units of species Which option is correct and why?
The correct answer is: family members are relatives.
A
What combines with rain to form acid rain?
[ "suction and sulfur oxides", "carbon dioxide and sulfur oxides", "compost and sulfur oxides", "nitrogen and sulfur oxides" ]
nitrogen and sulfur oxides
Answer the following multiple-choice question. Question: What combines with rain to form acid rain? Options: A. suction and sulfur oxides B. carbon dioxide and sulfur oxides C. compost and sulfur oxides D. nitrogen and sulfur oxides Which option is correct and why?
The correct answer is: nitrogen and sulfur oxides.
D
What does the triploid cell develop into during fertilization?
[ "zygote", "tubers", "membrane", "endosperm" ]
endosperm
Answer the following multiple-choice question. Question: What does the triploid cell develop into during fertilization? Options: A. zygote B. tubers C. membrane D. endosperm Which option is correct and why?
The correct answer is: endosperm.
D
what can cause a tumor to form?
[ "parasites", "cancer", "respiration", "digestion", "pesticide", "radiation", "ovaries", "weathering" ]
cancer
Answer the following multiple-choice question. Question: what can cause a tumor to form? Options: A. parasites B. cancer C. respiration D. digestion E. pesticide F. radiation G. ovaries H. weathering Which option is correct and why?
The correct answer is: cancer.
B
what does bacteria cause?
[ "loss of h2o", "harmful substances", "Pollution", "serious illness", "increase in oxygen", "carbon", "Deoxyribonucleicacid", "symptoms" ]
serious illness
Answer the following multiple-choice question. Question: what does bacteria cause? Options: A. loss of h2o B. harmful substances C. Pollution D. serious illness E. increase in oxygen F. carbon G. Deoxyribonucleicacid H. symptoms Which option is correct and why?
The correct answer is: serious illness.
D
How many eyelid membranes do frogs have?
[ "four", "one", "three", "two" ]
three
Answer the following multiple-choice question. Question: How many eyelid membranes do frogs have? Options: A. four B. one C. three D. two Which option is correct and why?
The correct answer is: three.
C
what must happen for water vapor to move from plants into the atmosphere?
[ "plant must be dead", "Condensation", "stomates must be open", "evaporation", "cells must be closed", "must be cloudy", "Warm air moving into cold air", "vaporization" ]
stomates must be open
Answer the following multiple-choice question. Question: what must happen for water vapor to move from plants into the atmosphere? Options: A. plant must be dead B. Condensation C. stomates must be open D. evaporation E. cells must be closed F. must be cloudy G. Warm air moving into cold air H. vaporization Which option is correct and why?
The correct answer is: stomates must be open.
C
The lowest resonant frequency is called the what?
[ "basic", "fundamental", "simplest", "lowest" ]
fundamental
Answer the following multiple-choice question. Question: The lowest resonant frequency is called the what? Options: A. basic B. fundamental C. simplest D. lowest Which option is correct and why?
The correct answer is: fundamental.
B
What are part of chromosomes?
[ "Chemical energy", "color of leaves", "sensory neurons", "the body's largest organ", "Most plants", "histone proteins", "keeps the organism warm", "more abundant" ]
histone proteins
Answer the following multiple-choice question. Question: What are part of chromosomes? Options: A. Chemical energy B. color of leaves C. sensory neurons D. the body's largest organ E. Most plants F. histone proteins G. keeps the organism warm H. more abundant Which option is correct and why?
The correct answer is: histone proteins.
A
What is coal made out of?
[ "heat", "rocks", "fossils", "water", "trees", "energy", "power", "calcite" ]
fossils
Answer the following multiple-choice question. Question: What is coal made out of? Options: A. heat B. rocks C. fossils D. water E. trees F. energy G. power H. calcite Which option is correct and why?
The correct answer is: fossils.
C
The mechanics of dynein-based bending involve a process that resembles what?
[ "running", "standing", "jumping", "walking" ]
walking
Answer the following multiple-choice question. Question: The mechanics of dynein-based bending involve a process that resembles what? Options: A. running B. standing C. jumping D. walking Which option is correct and why?
The correct answer is: walking.
D
What part of the cell does cellular respiration occur?
[ "glucose", "mitochondria", "proton", "nuclei" ]
mitochondria
Answer the following multiple-choice question. Question: What part of the cell does cellular respiration occur? Options: A. glucose B. mitochondria C. proton D. nuclei Which option is correct and why?
The correct answer is: mitochondria.
B
What devices convert mechanical energy to electric energy?
[ "electric generators", "kinetic generators", "mechanical generators", "transformation generators" ]
electric generators
Answer the following multiple-choice question. Question: What devices convert mechanical energy to electric energy? Options: A. electric generators B. kinetic generators C. mechanical generators D. transformation generators Which option is correct and why?
The correct answer is: electric generators.
A
Earthquakes and visible light are examples of what?
[ "waves", "winds", "geological phenomena", "currents" ]
waves
Answer the following multiple-choice question. Question: Earthquakes and visible light are examples of what? Options: A. waves B. winds C. geological phenomena D. currents Which option is correct and why?
The correct answer is: waves.
A
When an animal or plant group gets much smaller, that's called a:
[ "bottleneck", "Winter", "Movement", "population explosion", "genus", "relocation", "Mason jar effect", "choker" ]
bottleneck
Answer the following multiple-choice question. Question: When an animal or plant group gets much smaller, that's called a: Options: A. bottleneck B. Winter C. Movement D. population explosion E. genus F. relocation G. Mason jar effect H. choker Which option is correct and why?
The correct answer is: bottleneck.
A
where do many species of fish find food?
[ "salt and water.", "on land", "important habitats", "bottom of oceans", "clouds", "search", "the body's largest organ", "body water" ]
bottom of oceans
Answer the following multiple-choice question. Question: where do many species of fish find food? Options: A. salt and water. B. on land C. important habitats D. bottom of oceans E. clouds F. search G. the body's largest organ H. body water Which option is correct and why?
The correct answer is: bottom of oceans.
D
What causes erosion?
[ "rainfall", "the Moon", "precipitation", "vehicles", "ice wedging", "Venus", "Mars", "mouth of rivers" ]
precipitation
Answer the following multiple-choice question. Question: What causes erosion? Options: A. rainfall B. the Moon C. precipitation D. vehicles E. ice wedging F. Venus G. Mars H. mouth of rivers Which option is correct and why?
The correct answer is: precipitation.
C
The presence of what, which acts as a trigger, affects the rate of chemical reaction?
[ "catalyst", "friction", "heat", "light" ]
catalyst
Answer the following multiple-choice question. Question: The presence of what, which acts as a trigger, affects the rate of chemical reaction? Options: A. catalyst B. friction C. heat D. light Which option is correct and why?
The correct answer is: catalyst.
A
A tree falls down in a yard, and the people who live there liked the shade the tree provided. They can regain their shade by
[ "planting flowers", "making money", "acquiring seeds", "tilling gardens" ]
acquiring seeds
Answer the following multiple-choice question. Question: A tree falls down in a yard, and the people who live there liked the shade the tree provided. They can regain their shade by Options: A. planting flowers B. making money C. acquiring seeds D. tilling gardens Which option is correct and why?
The correct answer is: acquiring seeds.
C
What happens when fans circulate more air?
[ "the production of heat", "prevent heat loss", "rapid expansion", "decrease in temperature", "it flows to a lower level", "heat produced", "A transportation fuel", "depress neuronal excitability" ]
decrease in temperature
Answer the following multiple-choice question. Question: What happens when fans circulate more air? Options: A. the production of heat B. prevent heat loss C. rapid expansion D. decrease in temperature E. it flows to a lower level F. heat produced G. A transportation fuel H. depress neuronal excitability Which option is correct and why?
The correct answer is: decrease in temperature.
D
What is an example of navigation?
[ "reading novels", "directing rudder", "cooking", "sleeping" ]
directing rudder
Answer the following multiple-choice question. Question: What is an example of navigation? Options: A. reading novels B. directing rudder C. cooking D. sleeping Which option is correct and why?
The correct answer is: directing rudder.
B
An example of organisms that breathes with gills as larvae and with lungs as adults are
[ "mollusk", "salmon", "a fish", "harmful", "reptile", "amoeba", "frogs", "arachnid" ]
frogs
Answer the following multiple-choice question. Question: An example of organisms that breathes with gills as larvae and with lungs as adults are Options: A. mollusk B. salmon C. a fish D. harmful E. reptile F. amoeba G. frogs H. arachnid Which option is correct and why?
The correct answer is: frogs.
A
What type of feeders are sponges?
[ "filter feeders", "surface feeders", "bottom feeders", "layer feeders" ]
filter feeders
Answer the following multiple-choice question. Question: What type of feeders are sponges? Options: A. filter feeders B. surface feeders C. bottom feeders D. layer feeders Which option is correct and why?
The correct answer is: filter feeders.
A
Ejaculation occurs when muscle contractions propel sperm from where?
[ "cervix", "epididymes", "urinary track", "penis" ]
epididymes
Answer the following multiple-choice question. Question: Ejaculation occurs when muscle contractions propel sperm from where? Options: A. cervix B. epididymes C. urinary track D. penis Which option is correct and why?
The correct answer is: epididymes.
B
The short length of what in women is the best explanation for the greater incidence of uti in women?
[ "uterus", "fallopian tube", "vagina", "urethra" ]
urethra
Answer the following multiple-choice question. Question: The short length of what in women is the best explanation for the greater incidence of uti in women? Options: A. uterus B. fallopian tube C. vagina D. urethra Which option is correct and why?
The correct answer is: urethra.
D
What do you call a simple machine consisting of a sloping surface that connects lower and higher elevations?
[ "lever", "wedge", "inclined plane", "jack" ]
inclined plane
Answer the following multiple-choice question. Question: What do you call a simple machine consisting of a sloping surface that connects lower and higher elevations? Options: A. lever B. wedge C. inclined plane D. jack Which option is correct and why?
The correct answer is: inclined plane.
C
Living underground can be used for hiding from what?
[ "food", "hunters", "dirt", "water" ]
hunters
Answer the following multiple-choice question. Question: Living underground can be used for hiding from what? Options: A. food B. hunters C. dirt D. water Which option is correct and why?
The correct answer is: hunters.
B
What tool do scientist's use to show the evolutionary pathways and connections among organisms?
[ "conceptual tree", "phylogenetic tree", "photogenetic tree", "superficial tree" ]
phylogenetic tree
Answer the following multiple-choice question. Question: What tool do scientist's use to show the evolutionary pathways and connections among organisms? Options: A. conceptual tree B. phylogenetic tree C. photogenetic tree D. superficial tree Which option is correct and why?
The correct answer is: phylogenetic tree.
B
Most people can survive only a few days without what?
[ "h2o", "urea", "CO2", "beds", "houses", "air", "NaCl", "H20" ]
H20
Answer the following multiple-choice question. Question: Most people can survive only a few days without what? Options: A. h2o B. urea C. CO2 D. beds E. houses F. air G. NaCl H. H20 Which option is correct and why?
The correct answer is: H20.
A
Cutting down a tree
[ "ceases its ability to grow", "will cause it to grown 10x bigger", "will decrease the likelihood of deforestation", "will cause the tree to flourish" ]
ceases its ability to grow
Answer the following multiple-choice question. Question: Cutting down a tree Options: A. ceases its ability to grow B. will cause it to grown 10x bigger C. will decrease the likelihood of deforestation D. will cause the tree to flourish Which option is correct and why?
The correct answer is: ceases its ability to grow.
A
What is the name for a change in a single nucleotide in dna?
[ "point mutation", "adaptation", "cell regeneration", "spontaneous mutation" ]
point mutation
Answer the following multiple-choice question. Question: What is the name for a change in a single nucleotide in dna? Options: A. point mutation B. adaptation C. cell regeneration D. spontaneous mutation Which option is correct and why?
The correct answer is: point mutation.
A
There are fuels that we are soon to run out of, and there are options that are like the sun, in that
[ "they are endlessly available", "inexpensive to store at home", "free for everyone's use", "available to the public" ]
they are endlessly available
Answer the following multiple-choice question. Question: There are fuels that we are soon to run out of, and there are options that are like the sun, in that Options: A. they are endlessly available B. inexpensive to store at home C. free for everyone's use D. available to the public Which option is correct and why?
The correct answer is: they are endlessly available.
A
Scientists search for answers to questions and solutions to problems by using a procedure called this?
[ "careful method", "scientific method", "continued method", "measured method" ]
scientific method
Answer the following multiple-choice question. Question: Scientists search for answers to questions and solutions to problems by using a procedure called this? Options: A. careful method B. scientific method C. continued method D. measured method Which option is correct and why?
The correct answer is: scientific method.
B
What can be used for detecting texture?
[ "encoded information", "matter vibrating", "Chemical energy", "Something coming from a gland", "reflecting light", "the largest organ in the body", "an electron microscope", "Electrical energy" ]
the largest organ in the body
Answer the following multiple-choice question. Question: What can be used for detecting texture? Options: A. encoded information B. matter vibrating C. Chemical energy D. Something coming from a gland E. reflecting light F. the largest organ in the body G. an electron microscope H. Electrical energy Which option is correct and why?
The correct answer is: the largest organ in the body.
A
Protecting the surface of metal prevents what?
[ "diffusion", "evaporation", "extraction", "corrosion" ]
corrosion
Answer the following multiple-choice question. Question: Protecting the surface of metal prevents what? Options: A. diffusion B. evaporation C. extraction D. corrosion Which option is correct and why?
The correct answer is: corrosion.
D
Kettles are lakes which are formed when chunks of glaciers
[ "freeze", "drown", "float", "dissipate" ]
dissipate
Answer the following multiple-choice question. Question: Kettles are lakes which are formed when chunks of glaciers Options: A. freeze B. drown C. float D. dissipate Which option is correct and why?
The correct answer is: dissipate.
D
what in the inner ear is used for sensing sound by animals?
[ "neurons", "Frogs.", "tube", "Frogs", "fluid", "fibers", "energy", "motors" ]
fluid
Answer the following multiple-choice question. Question: what in the inner ear is used for sensing sound by animals? Options: A. neurons B. Frogs. C. tube D. Frogs E. fluid F. fibers G. energy H. motors Which option is correct and why?
The correct answer is: fluid.
E
What type of plants have vascular tissue but do not have seeds?
[ "rocky vascular plants", "seedless vascular plants", "ofen vascular plants", "starchy vascular plants" ]
seedless vascular plants
Answer the following multiple-choice question. Question: What type of plants have vascular tissue but do not have seeds? Options: A. rocky vascular plants B. seedless vascular plants C. ofen vascular plants D. starchy vascular plants Which option is correct and why?
The correct answer is: seedless vascular plants.
B
In glycolysis, glucose is split into two molecules of pyruvate. this results in a net gain of?
[ "two atp molecules", "three atp molecules", "four atp molecules", "six atp molecules" ]
two atp molecules
Answer the following multiple-choice question. Question: In glycolysis, glucose is split into two molecules of pyruvate. this results in a net gain of? Options: A. two atp molecules B. three atp molecules C. four atp molecules D. six atp molecules Which option is correct and why?
The correct answer is: two atp molecules.
A
Antibodies are large, Y-shaped proteins that recognize and bind to
[ "humans", "positive", "immunogens", "animals", "A Greek letter", "protect them", "Allergies", "the skin" ]
immunogens
Answer the following multiple-choice question. Question: Antibodies are large, Y-shaped proteins that recognize and bind to Options: A. humans B. positive C. immunogens D. animals E. A Greek letter F. protect them G. Allergies H. the skin Which option is correct and why?
The correct answer is: immunogens.
C
In what do substances combine chemically to form a new substance?
[ "compound", "component", "element", "suspension" ]
compound
Answer the following multiple-choice question. Question: In what do substances combine chemically to form a new substance? Options: A. compound B. component C. element D. suspension Which option is correct and why?
The correct answer is: compound.
A
Trees are mulched and liquefied before being dried to make
[ "houses", "paper", "toothpicks", "floors" ]
paper
Answer the following multiple-choice question. Question: Trees are mulched and liquefied before being dried to make Options: A. houses B. paper C. toothpicks D. floors Which option is correct and why?
The correct answer is: paper.
B
What does using a car lead to?
[ "more ill-health", "hypothyroidism", "Decrease bodily water", "Dehydration", "clear skies", "better fitness levels", "higher fertility", "lowered energy cost" ]
more ill-health
Answer the following multiple-choice question. Question: What does using a car lead to? Options: A. more ill-health B. hypothyroidism C. Decrease bodily water D. Dehydration E. clear skies F. better fitness levels G. higher fertility H. lowered energy cost Which option is correct and why?
The correct answer is: more ill-health.
A
what is controlled between organisms and the atmosphere?
[ "carbon dioxide", "sweating", "temperature", "air pressure", "heat energy", "Pollution", "energy usage", "Chemical energy" ]
carbon dioxide
Answer the following multiple-choice question. Question: what is controlled between organisms and the atmosphere? Options: A. carbon dioxide B. sweating C. temperature D. air pressure E. heat energy F. Pollution G. energy usage H. Chemical energy Which option is correct and why?
The correct answer is: carbon dioxide.
A
What large carboxylic acid with three ionizable hydrogen atoms gives some fruits a sour or tart flavor?
[ "ammonia acid", "beryllium acid", "hydrochloric acid", "citric acid" ]
citric acid
Answer the following multiple-choice question. Question: What large carboxylic acid with three ionizable hydrogen atoms gives some fruits a sour or tart flavor? Options: A. ammonia acid B. beryllium acid C. hydrochloric acid D. citric acid Which option is correct and why?
The correct answer is: citric acid.
D
Earth rotates on its axis once each day and revolves around the sun how often?
[ "once each year", "once each month", "every other year", "ever 3 years" ]
once each year
Answer the following multiple-choice question. Question: Earth rotates on its axis once each day and revolves around the sun how often? Options: A. once each year B. once each month C. every other year D. ever 3 years Which option is correct and why?
The correct answer is: once each year.
A
The value that occurs most often in a data set is called the?
[ "mode", "type", "median", "mean" ]
mode
Answer the following multiple-choice question. Question: The value that occurs most often in a data set is called the? Options: A. mode B. type C. median D. mean Which option is correct and why?
The correct answer is: mode.
A
What two words describe the debate over whether behaviors are caused by genetics or by environment?
[ "positive and negative", "kinetic and potential", "nature and nurture", "dominant and recessive" ]
nature and nurture
Answer the following multiple-choice question. Question: What two words describe the debate over whether behaviors are caused by genetics or by environment? Options: A. positive and negative B. kinetic and potential C. nature and nurture D. dominant and recessive Which option is correct and why?
The correct answer is: nature and nurture.
C
The infrared spectrum is not absorbed by what objects?
[ "eyes", "PDAs", "black", "skin", "Cars", "humans", "mines", "matter" ]
black
Answer the following multiple-choice question. Question: The infrared spectrum is not absorbed by what objects? Options: A. eyes B. PDAs C. black D. skin E. Cars F. humans G. mines H. matter Which option is correct and why?
The correct answer is: black.
C
the moon rising occurs
[ "once in a decade", "4 times a year", "7 times a week", "1 time a month" ]
7 times a week
Answer the following multiple-choice question. Question: the moon rising occurs Options: A. once in a decade B. 4 times a year C. 7 times a week D. 1 time a month Which option is correct and why?
The correct answer is: 7 times a week.
C
Maglites use nickle with cadmium to produce
[ "money", "illumination", "beer", "food" ]
illumination
Answer the following multiple-choice question. Question: Maglites use nickle with cadmium to produce Options: A. money B. illumination C. beer D. food Which option is correct and why?
The correct answer is: illumination.
B
Where would a polar bear enjoy living
[ "in a small cage", "in a reef in the ocean", "in a tropical environment", "much closer to one of the earth's poles than to the equator" ]
much closer to one of the earth's poles than to the equator
Answer the following multiple-choice question. Question: Where would a polar bear enjoy living Options: A. in a small cage B. in a reef in the ocean C. in a tropical environment D. much closer to one of the earth's poles than to the equator Which option is correct and why?
The correct answer is: much closer to one of the earth's poles than to the equator.
D
Which of the following relationships is true?
[ "Play-Doh can scratch diamond, therefore it is softer", "Diamond can scratch Play-Doh, therefore Play-Doh is harder", "Diamond can scratch Play-Doh, therefore diamond is harder", "Play-Doh can scratch diamond, therefore it is harder" ]
Diamond can scratch Play-Doh, therefore diamond is harder
Answer the following multiple-choice question. Question: Which of the following relationships is true? Options: A. Play-Doh can scratch diamond, therefore it is softer B. Diamond can scratch Play-Doh, therefore Play-Doh is harder C. Diamond can scratch Play-Doh, therefore diamond is harder D. Play-Doh can scratch diamond, therefore it is harder Which option is correct and why?
The correct answer is: Diamond can scratch Play-Doh, therefore diamond is harder.
C
Transpiration is when steam moves from _ into the atmosphere
[ "Pacific", "spring", "liquid", "boiling", "rain", "oceans", "plants", "energy" ]
plants
Answer the following multiple-choice question. Question: Transpiration is when steam moves from _ into the atmosphere Options: A. Pacific B. spring C. liquid D. boiling E. rain F. oceans G. plants H. energy Which option is correct and why?
The correct answer is: plants.
A
What do rain forests reduce?
[ "dead organisms", "Shade", "Greenhouse gases", "Soil loss from wind.", "Animal diversity", "Greenhouse gasses", "Rain", "carbon dioxide" ]
Soil loss from wind.
Answer the following multiple-choice question. Question: What do rain forests reduce? Options: A. dead organisms B. Shade C. Greenhouse gases D. Soil loss from wind. E. Animal diversity F. Greenhouse gasses G. Rain H. carbon dioxide Which option is correct and why?
The correct answer is: Soil loss from wind..
D
As a lake increases in size, there are more
[ "English Premier Leagues", "catfish", "airplanes", "volcanoes" ]
catfish
Answer the following multiple-choice question. Question: As a lake increases in size, there are more Options: A. English Premier Leagues B. catfish C. airplanes D. volcanoes Which option is correct and why?
The correct answer is: catfish.
B
The genetic material responsible for heredity contains what?
[ "wavelengths and photons", "instructions for proteins", "characteristics", "pre-assembled proteins", "organelles", "Chemical energy", "A compound that donates proton", "blood" ]
instructions for proteins
Answer the following multiple-choice question. Question: The genetic material responsible for heredity contains what? Options: A. wavelengths and photons B. instructions for proteins C. characteristics D. pre-assembled proteins E. organelles F. Chemical energy G. A compound that donates proton H. blood Which option is correct and why?
The correct answer is: instructions for proteins.
B
Atoms of different elements can combine in simple whole number ratios to form what?
[ "combinations", "chemical compounds", "mixtures", "carbon compounds" ]
chemical compounds
Answer the following multiple-choice question. Question: Atoms of different elements can combine in simple whole number ratios to form what? Options: A. combinations B. chemical compounds C. mixtures D. carbon compounds Which option is correct and why?
The correct answer is: chemical compounds.
B
A convergent plate boundary is created when two plates do what?
[ "come toward each other", "stay stationary", "move away from each other", "move perpendicular to each other" ]
come toward each other
Answer the following multiple-choice question. Question: A convergent plate boundary is created when two plates do what? Options: A. come toward each other B. stay stationary C. move away from each other D. move perpendicular to each other Which option is correct and why?
The correct answer is: come toward each other.
A
What are inorganic compounds that take the form of discrete molecules called?
[ "magnetic compounds", "molecular compounds", "functional compounds", "ionic compounds" ]
molecular compounds
Answer the following multiple-choice question. Question: What are inorganic compounds that take the form of discrete molecules called? Options: A. magnetic compounds B. molecular compounds C. functional compounds D. ionic compounds Which option is correct and why?
The correct answer is: molecular compounds.
B
What gets released into the atmosphere when fossil fuels are burned?
[ "chemical dioxide", "carbon dioxide", "hydrogen", "oxygen" ]
carbon dioxide
Answer the following multiple-choice question. Question: What gets released into the atmosphere when fossil fuels are burned? Options: A. chemical dioxide B. carbon dioxide C. hydrogen D. oxygen Which option is correct and why?
The correct answer is: carbon dioxide.
B
What is found naturally in the air and soil, and in living organisms?
[ "solid, liquid, gas", "Something with a head, thorax, and abdomen", "metabolic reaction", "protein,nucleic acid,chlorophy", "Chemical energy", "Greenhouse gasses", "By wind and rain", "sub-units of species" ]
protein,nucleic acid,chlorophy
Answer the following multiple-choice question. Question: What is found naturally in the air and soil, and in living organisms? Options: A. solid, liquid, gas B. Something with a head, thorax, and abdomen C. metabolic reaction D. protein,nucleic acid,chlorophy E. Chemical energy F. Greenhouse gasses G. By wind and rain H. sub-units of species Which option is correct and why?
The correct answer is: protein,nucleic acid,chlorophy.
D
What occurs when substances move from areas of lower to higher concentration or when very large molecules are transported?
[ "migration", "active transport", "passive transport", "diffusion" ]
active transport
Answer the following multiple-choice question. Question: What occurs when substances move from areas of lower to higher concentration or when very large molecules are transported? Options: A. migration B. active transport C. passive transport D. diffusion Which option is correct and why?
The correct answer is: active transport.
B
What is needed from cells for phosphatases to keep the proper pH?
[ "plasma", "secretion of bases only", "secretion of proteins", "metabolic reaction", "it helps plants in growing", "Positive charges", "Transfers energy", "secretion of acids and bases" ]
secretion of acids and bases
Answer the following multiple-choice question. Question: What is needed from cells for phosphatases to keep the proper pH? Options: A. plasma B. secretion of bases only C. secretion of proteins D. metabolic reaction E. it helps plants in growing F. Positive charges G. Transfers energy H. secretion of acids and bases Which option is correct and why?
The correct answer is: secretion of acids and bases.
A
_________ are one-celled organisms with a nucleus which cause diseases such as malaria.
[ "protozoa", "mosquitos", "fungi", "larvae" ]
protozoa
Answer the following multiple-choice question. Question: _________ are one-celled organisms with a nucleus which cause diseases such as malaria. Options: A. protozoa B. mosquitos C. fungi D. larvae Which option is correct and why?
The correct answer is: protozoa.
A
What property is the result of the force of gravity being opposed by the normal force?
[ "light", "sound", "weight", "density" ]
weight
Answer the following multiple-choice question. Question: What property is the result of the force of gravity being opposed by the normal force? Options: A. light B. sound C. weight D. density Which option is correct and why?
The correct answer is: weight.
C
what gets affected when worldwide temperature increases?
[ "consumers", "mass", "coral", "density", "volume", "Pollution", "fossil fuels", "wildlife" ]
wildlife
Answer the following multiple-choice question. Question: what gets affected when worldwide temperature increases? Options: A. consumers B. mass C. coral D. density E. volume F. Pollution G. fossil fuels H. wildlife Which option is correct and why?
The correct answer is: wildlife.
A
What is the most electron-pair bonds a nitrogen atom can participate in?
[ "seven", "four", "five", "three" ]
four
Answer the following multiple-choice question. Question: What is the most electron-pair bonds a nitrogen atom can participate in? Options: A. seven B. four C. five D. three Which option is correct and why?
The correct answer is: four.
B
Which of the following organisms uses what is referred to as system of tubes to transport water and nutrients?
[ "a shark", "a panda", "a bamboo stalk", "a human" ]
a bamboo stalk
Answer the following multiple-choice question. Question: Which of the following organisms uses what is referred to as system of tubes to transport water and nutrients? Options: A. a shark B. a panda C. a bamboo stalk D. a human Which option is correct and why?
The correct answer is: a bamboo stalk.
C
Creating wood-free paper does not require what?
[ "scarce resources", "scientific methods", "deforestation", "paper processes", "new avenues", "carbon dioxide", "Time and energy", "Energy." ]
deforestation
Answer the following multiple-choice question. Question: Creating wood-free paper does not require what? Options: A. scarce resources B. scientific methods C. deforestation D. paper processes E. new avenues F. carbon dioxide G. Time and energy H. Energy. Which option is correct and why?
The correct answer is: deforestation.
C
If an animal gets too cold for its body to perform its functions, that animal will
[ "perish due coldness", "laugh to death", "do math", "float" ]
perish due coldness
Answer the following multiple-choice question. Question: If an animal gets too cold for its body to perform its functions, that animal will Options: A. perish due coldness B. laugh to death C. do math D. float Which option is correct and why?
The correct answer is: perish due coldness.
A
Plants can lose their leaves, flower, or break dormancy in response to a change in what?
[ "events", "seasons", "periods", "averages" ]
seasons
Answer the following multiple-choice question. Question: Plants can lose their leaves, flower, or break dormancy in response to a change in what? Options: A. events B. seasons C. periods D. averages Which option is correct and why?
The correct answer is: seasons.
B
What brain structure is important in recognizing and recalling emotions?
[ "thalmus", "amygdala", "pituitary", "cerebral cortex" ]
amygdala
Answer the following multiple-choice question. Question: What brain structure is important in recognizing and recalling emotions? Options: A. thalmus B. amygdala C. pituitary D. cerebral cortex Which option is correct and why?
The correct answer is: amygdala.
B
What term is used to describe the sequence of elementary steps that together comprise an entire chemical reaction?
[ "source mechanism", "reaction mechanism", "potassium mechanism", "elemental mechanism" ]
reaction mechanism
Answer the following multiple-choice question. Question: What term is used to describe the sequence of elementary steps that together comprise an entire chemical reaction? Options: A. source mechanism B. reaction mechanism C. potassium mechanism D. elemental mechanism Which option is correct and why?
The correct answer is: reaction mechanism.
B
What is the name of the procedure where an unknown compound can be analyzed in the laboratory in order to determine the percentages of each element contained within it?
[ "electrical analysis", "elemental analysis", "gaseous analysis", "chemical analysis" ]
elemental analysis
Answer the following multiple-choice question. Question: What is the name of the procedure where an unknown compound can be analyzed in the laboratory in order to determine the percentages of each element contained within it? Options: A. electrical analysis B. elemental analysis C. gaseous analysis D. chemical analysis Which option is correct and why?
The correct answer is: elemental analysis.
B
Hotspots can be used to tell the speed and direction that what object is moving?
[ "electrons", "crystals", "glaciers", "plates" ]
plates
Answer the following multiple-choice question. Question: Hotspots can be used to tell the speed and direction that what object is moving? Options: A. electrons B. crystals C. glaciers D. plates Which option is correct and why?
The correct answer is: plates.
D
Chromatin condenses into chromosomes during prophase, the first and longest phase of what process?
[ "reproduction", "meiosis", "apoptosis", "mitosis" ]
mitosis
Answer the following multiple-choice question. Question: Chromatin condenses into chromosomes during prophase, the first and longest phase of what process? Options: A. reproduction B. meiosis C. apoptosis D. mitosis Which option is correct and why?
The correct answer is: mitosis.
D
what can bacteria grow on?
[ "fatty acids", "swamp vegetation", "Most plants", "vinegar", "amino acids", "calories", "protein", "loose dirt" ]
fatty acids
Answer the following multiple-choice question. Question: what can bacteria grow on? Options: A. fatty acids B. swamp vegetation C. Most plants D. vinegar E. amino acids F. calories G. protein H. loose dirt Which option is correct and why?
The correct answer is: fatty acids.
A
The periodic table of elements is divided into what?
[ "patterns", "squares", "spheres", "groups" ]
squares
Answer the following multiple-choice question. Question: The periodic table of elements is divided into what? Options: A. patterns B. squares C. spheres D. groups Which option is correct and why?
The correct answer is: squares.
B
Catecholamines are a class of amine hormones synthesised form which amino acid?
[ "phenylalanine", "tyrosine", "dopamine", "epinephrine" ]
tyrosine
Answer the following multiple-choice question. Question: Catecholamines are a class of amine hormones synthesised form which amino acid? Options: A. phenylalanine B. tyrosine C. dopamine D. epinephrine Which option is correct and why?
The correct answer is: tyrosine.
B
What has radial symmetry?
[ "sea urchins", "A Greek letter", "humans", "Most plants", "peachleaf willow", "catfish", "gastropod shells", "ducks" ]
sea urchins
Answer the following multiple-choice question. Question: What has radial symmetry? Options: A. sea urchins B. A Greek letter C. humans D. Most plants E. peachleaf willow F. catfish G. gastropod shells H. ducks Which option is correct and why?
The correct answer is: sea urchins.
A
what do fish eat?
[ "an organism's body", "hydrate their cells", "wood", "living things", "Organic compounds", "dead animals", "barnacles", "waste" ]
living things
Answer the following multiple-choice question. Question: what do fish eat? Options: A. an organism's body B. hydrate their cells C. wood D. living things E. Organic compounds F. dead animals G. barnacles H. waste Which option is correct and why?
The correct answer is: living things.
D
Which kind of irrigation uses much less water than other methods?
[ "constant", "drip", "mist", "solar" ]
drip
Answer the following multiple-choice question. Question: Which kind of irrigation uses much less water than other methods? Options: A. constant B. drip C. mist D. solar Which option is correct and why?
The correct answer is: drip.
B
Wax is on some plant leaves for what purpose?
[ "keep water available for predators", "keep the ongoing hydration", "stay moist for warm weather", "creation of toxins in the cells" ]
stay moist for warm weather
Answer the following multiple-choice question. Question: Wax is on some plant leaves for what purpose? Options: A. keep water available for predators B. keep the ongoing hydration C. stay moist for warm weather D. creation of toxins in the cells Which option is correct and why?
The correct answer is: stay moist for warm weather.
C
What do you measure in inches and fractions of inches?
[ "Axis", "Time", "forces", "Joules", "Length", "Weight", "size", "feet" ]
Length
Answer the following multiple-choice question. Question: What do you measure in inches and fractions of inches? Options: A. Axis B. Time C. forces D. Joules E. Length F. Weight G. size H. feet Which option is correct and why?
The correct answer is: Length.
E
If a snail is heated to the point of being burned, the snail will
[ "be discomforted", "be energized", "be hungry", "be sad" ]
be discomforted
Answer the following multiple-choice question. Question: If a snail is heated to the point of being burned, the snail will Options: A. be discomforted B. be energized C. be hungry D. be sad Which option is correct and why?
The correct answer is: be discomforted.
A
What is the term for a structure within the cytoplasm that performs a specific job in the cell?
[ "nucleus", "organelle", "mitochondria", "ribosome" ]
organelle
Answer the following multiple-choice question. Question: What is the term for a structure within the cytoplasm that performs a specific job in the cell? Options: A. nucleus B. organelle C. mitochondria D. ribosome Which option is correct and why?
The correct answer is: organelle.
B
Simple eyes, like the human eye, have how many lenses?
[ "none", "two", "four", "one" ]
one
Answer the following multiple-choice question. Question: Simple eyes, like the human eye, have how many lenses? Options: A. none B. two C. four D. one Which option is correct and why?
The correct answer is: one.
D
What is the rate of water flow of soil?
[ "salinity", "variable", "heat energy", "reduce", "streams.", "streams", "down", "evaporation" ]
variable
Answer the following multiple-choice question. Question: What is the rate of water flow of soil? Options: A. salinity B. variable C. heat energy D. reduce E. streams. F. streams G. down H. evaporation Which option is correct and why?
The correct answer is: variable.
B
Which of the following crops was the first staple in the human diet?
[ "wheat", "barley", "corn", "rice" ]
wheat
Answer the following multiple-choice question. Question: Which of the following crops was the first staple in the human diet? Options: A. wheat B. barley C. corn D. rice Which option is correct and why?
The correct answer is: wheat.
A
An endocrine disease usually involves the secretion of too much or not enough of what?
[ "neurotransmitter", "protein", "hormone", "metabolism" ]
hormone
Answer the following multiple-choice question. Question: An endocrine disease usually involves the secretion of too much or not enough of what? Options: A. neurotransmitter B. protein C. hormone D. metabolism Which option is correct and why?
The correct answer is: hormone.
C
A dog can learn how to do something that it is taught to do, called learned behavior, such as
[ "eat food when it is hungry", "lean back and accept having nails trimmed", "bark when it wants to", "urinate when its bladder is full" ]
lean back and accept having nails trimmed
Answer the following multiple-choice question. Question: A dog can learn how to do something that it is taught to do, called learned behavior, such as Options: A. eat food when it is hungry B. lean back and accept having nails trimmed C. bark when it wants to D. urinate when its bladder is full Which option is correct and why?
The correct answer is: lean back and accept having nails trimmed.
B