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What can be looked at to see a record of how horses evolved?
[ "pattern records", "carbon dating", "erosion records", "fossil records" ]
fossil records
Answer the following multiple-choice question. Question: What can be looked at to see a record of how horses evolved? Options: A. pattern records B. carbon dating C. erosion records D. fossil records Which option is correct and why?
The correct answer is: fossil records.
Water vapor turning from a gas into a liquid causes what?
[ "sweat", "storms", "Drought", "heat", "cracks", "Hail", "Rain", "Snow" ]
Rain
Answer the following multiple-choice question. Question: Water vapor turning from a gas into a liquid causes what? Options: A. sweat B. storms C. Drought D. heat E. cracks F. Hail G. Rain H. Snow Which option is correct and why?
The correct answer is: Rain.
A mitotic spindle forms from the centrioles and passes through the nuclear membrane, which remains intact. chromosomes attach to the mitotic spindle, which separates the chromosomes and does what?
[ "migrates the cell", "elongates the cell", "destroys the cell", "manipulates the cell" ]
elongates the cell
Answer the following multiple-choice question. Question: A mitotic spindle forms from the centrioles and passes through the nuclear membrane, which remains intact. chromosomes attach to the mitotic spindle, which separates the chromosomes and does what? Options: A. migrates the cell B. elongates the cell C. destroys the cell D. manipulates the cell Which option is correct and why?
The correct answer is: elongates the cell.
What does rising and sinking air influence in a region?
[ "erosion", "precipitation", "temperature", "tides" ]
precipitation
Answer the following multiple-choice question. Question: What does rising and sinking air influence in a region? Options: A. erosion B. precipitation C. temperature D. tides Which option is correct and why?
The correct answer is: precipitation.
What lipid, added to certain foods to keep them fresher longer, increases the risk of heart disease?
[ "Omega-3 fatty acids", "cholesterol", "fatty acids", "trans fat" ]
trans fat
Answer the following multiple-choice question. Question: What lipid, added to certain foods to keep them fresher longer, increases the risk of heart disease? Options: A. Omega-3 fatty acids B. cholesterol C. fatty acids D. trans fat Which option is correct and why?
The correct answer is: trans fat.
What kind of diagrams can be used to illustrate electron movements and ion formation?
[ "electron dot diagrams", "contour maps", "atomic models", "venn diagrams" ]
electron dot diagrams
Answer the following multiple-choice question. Question: What kind of diagrams can be used to illustrate electron movements and ion formation? Options: A. electron dot diagrams B. contour maps C. atomic models D. venn diagrams Which option is correct and why?
The correct answer is: electron dot diagrams.
What is the exchange of energy from one part of the universe to another called?
[ "temperature", "cold", "heat", "humidity" ]
heat
Answer the following multiple-choice question. Question: What is the exchange of energy from one part of the universe to another called? Options: A. temperature B. cold C. heat D. humidity Which option is correct and why?
The correct answer is: heat.
High temperatures can cause objects to what?
[ "Movement", "freeze", "chill", "ice over", "Pollution", "deadly", "explode", "Bend" ]
explode
Answer the following multiple-choice question. Question: High temperatures can cause objects to what? Options: A. Movement B. freeze C. chill D. ice over E. Pollution F. deadly G. explode H. Bend Which option is correct and why?
The correct answer is: explode.
How do mammals generate heat?
[ "freezing", "Ice cubes", "layers of fat", "Taking pictures", "with their fur", "energy of moving objects", "Consuming calories", "Movement of an air mass" ]
Consuming calories
Answer the following multiple-choice question. Question: How do mammals generate heat? Options: A. freezing B. Ice cubes C. layers of fat D. Taking pictures E. with their fur F. energy of moving objects G. Consuming calories H. Movement of an air mass Which option is correct and why?
The correct answer is: Consuming calories.
A lone fox is searching for its next meal in a meadow that used to be bountiful with food. This season, though, rabbits have all been eaten up and the field is dry and barren. The fox may
[ "fly", "say something", "hibernate", "starve" ]
starve
Answer the following multiple-choice question. Question: A lone fox is searching for its next meal in a meadow that used to be bountiful with food. This season, though, rabbits have all been eaten up and the field is dry and barren. The fox may Options: A. fly B. say something C. hibernate D. starve Which option is correct and why?
The correct answer is: starve.
Why would it be summer one day and fall another day?
[ "the earth's position compared to the sun has shifted", "rain has started falling", "leaves have fallen from the trees", "the squirrels are gathering nuts" ]
the earth's position compared to the sun has shifted
Answer the following multiple-choice question. Question: Why would it be summer one day and fall another day? Options: A. the earth's position compared to the sun has shifted B. rain has started falling C. leaves have fallen from the trees D. the squirrels are gathering nuts Which option is correct and why?
The correct answer is: the earth's position compared to the sun has shifted.
Name a passageway that is shared with the digestive system.
[ "esophagus", "larynx", "trachea", "pharynx" ]
pharynx
Answer the following multiple-choice question. Question: Name a passageway that is shared with the digestive system. Options: A. esophagus B. larynx C. trachea D. pharynx Which option is correct and why?
The correct answer is: pharynx.
What two types of juices help digestion within the small intestine?
[ "chyme and phloem", "amniotic fluid, bile", "bile and lymph", "intestinal and pancreatic" ]
intestinal and pancreatic
Answer the following multiple-choice question. Question: What two types of juices help digestion within the small intestine? Options: A. chyme and phloem B. amniotic fluid, bile C. bile and lymph D. intestinal and pancreatic Which option is correct and why?
The correct answer is: intestinal and pancreatic.
moving what into muscles can increase a body's strength?
[ "forces", "urine", "glucose", "Energy.", "semen", "movement", "candy", "energy" ]
glucose
Answer the following multiple-choice question. Question: moving what into muscles can increase a body's strength? Options: A. forces B. urine C. glucose D. Energy. E. semen F. movement G. candy H. energy Which option is correct and why?
The correct answer is: glucose.
Warm body temperature requires what?
[ "muscles", "water", "energy", "food", "Energy.", "stamina", "warmth", "Oxygen" ]
water
Answer the following multiple-choice question. Question: Warm body temperature requires what? Options: A. muscles B. water C. energy D. food E. Energy. F. stamina G. warmth H. Oxygen Which option is correct and why?
The correct answer is: water.
What do flames convert chemical energy into?
[ "light and heat energy", "heating liquids", "electrical energy", "Firecrackers", "sonic energy", "Something that causes allergies", "kinetic energy", "gravitational energy" ]
light and heat energy
Answer the following multiple-choice question. Question: What do flames convert chemical energy into? Options: A. light and heat energy B. heating liquids C. electrical energy D. Firecrackers E. sonic energy F. Something that causes allergies G. kinetic energy H. gravitational energy Which option is correct and why?
The correct answer is: light and heat energy.
Some human activities may create brackish like
[ "swimming tubs", "buildings", "ships", "cars" ]
swimming tubs
Answer the following multiple-choice question. Question: Some human activities may create brackish like Options: A. swimming tubs B. buildings C. ships D. cars Which option is correct and why?
The correct answer is: swimming tubs.
What is consumed by people worldwide?
[ "Energy.", "wheat", "durian", "food", "nectar", "tofu", "insects", "Energy" ]
wheat
Answer the following multiple-choice question. Question: What is consumed by people worldwide? Options: A. Energy. B. wheat C. durian D. food E. nectar F. tofu G. insects H. Energy Which option is correct and why?
The correct answer is: wheat.
Ethologists usually study how what behaves in their habitats?
[ "poachers", "parasites", "vegetation", "seasons", "hunters", "fishermen", "animals", "plant life" ]
animals
Answer the following multiple-choice question. Question: Ethologists usually study how what behaves in their habitats? Options: A. poachers B. parasites C. vegetation D. seasons E. hunters F. fishermen G. animals H. plant life Which option is correct and why?
The correct answer is: animals.
Catabolism and anabolism are the two types of what?
[ "cells", "calcium", "heart rate", "metabolism" ]
metabolism
Answer the following multiple-choice question. Question: Catabolism and anabolism are the two types of what? Options: A. cells B. calcium C. heart rate D. metabolism Which option is correct and why?
The correct answer is: metabolism.
where are mushrooms found?
[ "ocean", "mountains", "vegetation", "loose dirt", "limestone", "compost", "metal", "loose soil" ]
compost
Answer the following multiple-choice question. Question: where are mushrooms found? Options: A. ocean B. mountains C. vegetation D. loose dirt E. limestone F. compost G. metal H. loose soil Which option is correct and why?
The correct answer is: compost.
Lysosomes have what type of enzymes that break down old molecules into parts that can be recycled?
[ "bacterial", "corrosive", "probiotics", "digestive" ]
digestive
Answer the following multiple-choice question. Question: Lysosomes have what type of enzymes that break down old molecules into parts that can be recycled? Options: A. bacterial B. corrosive C. probiotics D. digestive Which option is correct and why?
The correct answer is: digestive.
Where is the guinea worm a serious problem?
[ "africa", "ukraine", "russia", "florida" ]
africa
Answer the following multiple-choice question. Question: Where is the guinea worm a serious problem? Options: A. africa B. ukraine C. russia D. florida Which option is correct and why?
The correct answer is: africa.
what can kill an organism?
[ "water", "direct sunlight", "hyperthyroidism", "influenza", "magnets", "wind", "Pollution", "Pesticides" ]
direct sunlight
Answer the following multiple-choice question. Question: what can kill an organism? Options: A. water B. direct sunlight C. hyperthyroidism D. influenza E. magnets F. wind G. Pollution H. Pesticides Which option is correct and why?
The correct answer is: direct sunlight.
What is the leading cause of skin cancer?
[ "dehydration", "artificial light", "smoking", "sunlight" ]
sunlight
Answer the following multiple-choice question. Question: What is the leading cause of skin cancer? Options: A. dehydration B. artificial light C. smoking D. sunlight Which option is correct and why?
The correct answer is: sunlight.
What happens when a hemisphere is tilted away from the sun?
[ "cools", "nothing", "heats", "warms" ]
cools
Answer the following multiple-choice question. Question: What happens when a hemisphere is tilted away from the sun? Options: A. cools B. nothing C. heats D. warms Which option is correct and why?
The correct answer is: cools.
What does glass bend?
[ "a wave", "water", "lenses", "Joules", "fibers", "light", "wind", "air" ]
light
Answer the following multiple-choice question. Question: What does glass bend? Options: A. a wave B. water C. lenses D. Joules E. fibers F. light G. wind H. air Which option is correct and why?
The correct answer is: light.
What is the term for the fast-moving air currents high in the troposphere?
[ "ocean streams", "gale force winds", "global winds", "jet streams" ]
jet streams
Answer the following multiple-choice question. Question: What is the term for the fast-moving air currents high in the troposphere? Options: A. ocean streams B. gale force winds C. global winds D. jet streams Which option is correct and why?
The correct answer is: jet streams.
What requires nutrients for survival?
[ "buildings", "rocks", "badgers", "clouds" ]
badgers
Answer the following multiple-choice question. Question: What requires nutrients for survival? Options: A. buildings B. rocks C. badgers D. clouds Which option is correct and why?
The correct answer is: badgers.
What can be produced when electrical energy is provided to a blown piece of glass with a wire inside?
[ "luminescence", "lifeforce", "sound", "Water" ]
luminescence
Answer the following multiple-choice question. Question: What can be produced when electrical energy is provided to a blown piece of glass with a wire inside? Options: A. luminescence B. lifeforce C. sound D. Water Which option is correct and why?
The correct answer is: luminescence.
What element has an atomic number of 6?
[ "silicon", "carbon", "oxygen", "hydrogen" ]
carbon
Answer the following multiple-choice question. Question: What element has an atomic number of 6? Options: A. silicon B. carbon C. oxygen D. hydrogen Which option is correct and why?
The correct answer is: carbon.
What is the term for the spacing of individuals within a population?
[ "dispersion", "population density", "equilibrium", "suspension" ]
dispersion
Answer the following multiple-choice question. Question: What is the term for the spacing of individuals within a population? Options: A. dispersion B. population density C. equilibrium D. suspension Which option is correct and why?
The correct answer is: dispersion.
The major component of a solution is called what?
[ "solute", "water", "mixture", "solvent" ]
solvent
Answer the following multiple-choice question. Question: The major component of a solution is called what? Options: A. solute B. water C. mixture D. solvent Which option is correct and why?
The correct answer is: solvent.
an image in a mirror is formed by reflecting
[ "sunlight", "radiation", "atoms", "gravitions", "Joules", "photons", "sun's heat", "Smooth" ]
photons
Answer the following multiple-choice question. Question: an image in a mirror is formed by reflecting Options: A. sunlight B. radiation C. atoms D. gravitions E. Joules F. photons G. sun's heat H. Smooth Which option is correct and why?
The correct answer is: photons.
What secures together immovable joints and prevents them from moving?
[ "dense cartilage", "dense collagen", "light cartilage", "light collagen" ]
dense collagen
Answer the following multiple-choice question. Question: What secures together immovable joints and prevents them from moving? Options: A. dense cartilage B. dense collagen C. light cartilage D. light collagen Which option is correct and why?
The correct answer is: dense collagen.
Glaciers modify the landscape by what?
[ "silt", "truncation", "erosion", "sediment" ]
erosion
Answer the following multiple-choice question. Question: Glaciers modify the landscape by what? Options: A. silt B. truncation C. erosion D. sediment Which option is correct and why?
The correct answer is: erosion.
The values of which factors are controlled by the experimenter over the course of an experiment?
[ "independent variables", "independent approaches", "independent elements", "other variables" ]
independent variables
Answer the following multiple-choice question. Question: The values of which factors are controlled by the experimenter over the course of an experiment? Options: A. independent variables B. independent approaches C. independent elements D. other variables Which option is correct and why?
The correct answer is: independent variables.
Which would be formed by layering sediment over time?
[ "ammonite", "shells", "ominous", "ammunition" ]
ammonite
Answer the following multiple-choice question. Question: Which would be formed by layering sediment over time? Options: A. ammonite B. shells C. ominous D. ammunition Which option is correct and why?
The correct answer is: ammonite.
Reproduction in prokaryotic cells is by what process of growth, enlargement and division?
[ "binary fission", "mitosis", "photosynthesis", "budding" ]
binary fission
Answer the following multiple-choice question. Question: Reproduction in prokaryotic cells is by what process of growth, enlargement and division? Options: A. binary fission B. mitosis C. photosynthesis D. budding Which option is correct and why?
The correct answer is: binary fission.
what uses cell division to grow and repair themselves?
[ "animals", "humans", "plants", "trees", "volume", "battery cells", "ferns", "density" ]
humans
Answer the following multiple-choice question. Question: what uses cell division to grow and repair themselves? Options: A. animals B. humans C. plants D. trees E. volume F. battery cells G. ferns H. density Which option is correct and why?
The correct answer is: humans.
What orifice in the body is particularly helpful in both digestion and respiration?
[ "nostril", "mouth", "nose", "anus" ]
mouth
Answer the following multiple-choice question. Question: What orifice in the body is particularly helpful in both digestion and respiration? Options: A. nostril B. mouth C. nose D. anus Which option is correct and why?
The correct answer is: mouth.
Herbivores like to dine on
[ "gravel", "other herbivores", "crustaceans", "chlorophyll" ]
chlorophyll
Answer the following multiple-choice question. Question: Herbivores like to dine on Options: A. gravel B. other herbivores C. crustaceans D. chlorophyll Which option is correct and why?
The correct answer is: chlorophyll.
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What are mudskipper fish able to do in short distances?
[ "walk", "tumble", "spit", "run" ]
walk
Answer the following multiple-choice question. Question: What are mudskipper fish able to do in short distances? Options: A. walk B. tumble C. spit D. run Which option is correct and why?
The correct answer is: walk.
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What physical process occurs when large chunks of food are broken down into smaller pieces?
[ "swallowing", "mechanical digestion", "chemical digestion", "peristalsis" ]
mechanical digestion
Answer the following multiple-choice question. Question: What physical process occurs when large chunks of food are broken down into smaller pieces? Options: A. swallowing B. mechanical digestion C. chemical digestion D. peristalsis Which option is correct and why?
The correct answer is: mechanical digestion.
A human can, merely by pushing on it, cause a visible alteration in the shape of a
[ "manly sculpture", "inhumanly tall building", "plastic dinner container", "standard burning sun" ]
plastic dinner container
Answer the following multiple-choice question. Question: A human can, merely by pushing on it, cause a visible alteration in the shape of a Options: A. manly sculpture B. inhumanly tall building C. plastic dinner container D. standard burning sun Which option is correct and why?
The correct answer is: plastic dinner container.
What does the secondary oocyte have the most of from the original cell?
[ "cytoplasm", "rna", "electron", "bacteria" ]
cytoplasm
Answer the following multiple-choice question. Question: What does the secondary oocyte have the most of from the original cell? Options: A. cytoplasm B. rna C. electron D. bacteria Which option is correct and why?
The correct answer is: cytoplasm.
Which human is more likely to be free of scars
[ "a pro athlete", "an active kid", "an old man", "an unborn boy" ]
an unborn boy
Answer the following multiple-choice question. Question: Which human is more likely to be free of scars Options: A. a pro athlete B. an active kid C. an old man D. an unborn boy Which option is correct and why?
The correct answer is: an unborn boy.
animals replenish their bodily water after a signal that it's time to what?
[ "breathe", "health", "move", "drink", "Cooking", "survive", "rest", "sleep" ]
drink
Answer the following multiple-choice question. Question: animals replenish their bodily water after a signal that it's time to what? Options: A. breathe B. health C. move D. drink E. Cooking F. survive G. rest H. sleep Which option is correct and why?
The correct answer is: drink.
What is the energy needed to start a reaction between catalysts and reactants called?
[ "activation energy", "decomposition energy", "conductivity energy", "reaction energy" ]
activation energy
Answer the following multiple-choice question. Question: What is the energy needed to start a reaction between catalysts and reactants called? Options: A. activation energy B. decomposition energy C. conductivity energy D. reaction energy Which option is correct and why?
The correct answer is: activation energy.
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What is a result of genetic material being exchanged during reproduction?
[ "sperm", "pollen", "Diversity", "mutations", "flowers", "chromosomes", "seeds", "gene flow" ]
Diversity
Answer the following multiple-choice question. Question: What is a result of genetic material being exchanged during reproduction? Options: A. sperm B. pollen C. Diversity D. mutations E. flowers F. chromosomes G. seeds H. gene flow Which option is correct and why?
The correct answer is: Diversity.
What helps to keep the body warm and protect it in a variety of climates?
[ "wooly", "snow", "rain", "fur", "coats", "stones", "skin", "hair" ]
hair
Answer the following multiple-choice question. Question: What helps to keep the body warm and protect it in a variety of climates? Options: A. wooly B. snow C. rain D. fur E. coats F. stones G. skin H. hair Which option is correct and why?
The correct answer is: hair.
Scientists measure the gases that escape from a volcano to predict what?
[ "eruptions", "floods", "snowfall", "storms" ]
eruptions
Answer the following multiple-choice question. Question: Scientists measure the gases that escape from a volcano to predict what? Options: A. eruptions B. floods C. snowfall D. storms Which option is correct and why?
The correct answer is: eruptions.
What changes into coal when buried under soil and mud?
[ "rocks", "sun", "animals", "cellulose", "moon", "plants", "Newton", "tunicates" ]
plants
Answer the following multiple-choice question. Question: What changes into coal when buried under soil and mud? Options: A. rocks B. sun C. animals D. cellulose E. moon F. plants G. Newton H. tunicates Which option is correct and why?
The correct answer is: plants.
A short reflex is completely what and only involves the local integration of sensory input with motor output?
[ "physiological", "neuronal", "central", "peripheral" ]
peripheral
Answer the following multiple-choice question. Question: A short reflex is completely what and only involves the local integration of sensory input with motor output? Options: A. physiological B. neuronal C. central D. peripheral Which option is correct and why?
The correct answer is: peripheral.
A fight and flight response happens after an animal is what?
[ "threatens", "dormant state", "mating", "inactive", "eats", "imbalanced", "kills", "fights" ]
threatens
Answer the following multiple-choice question. Question: A fight and flight response happens after an animal is what? Options: A. threatens B. dormant state C. mating D. inactive E. eats F. imbalanced G. kills H. fights Which option is correct and why?
The correct answer is: threatens.
Aids is an infectious disease of which system?
[ "immune", "muscular", "endocrine", "digestion" ]
immune
Answer the following multiple-choice question. Question: Aids is an infectious disease of which system? Options: A. immune B. muscular C. endocrine D. digestion Which option is correct and why?
The correct answer is: immune.
What device is used to measure temperature?
[ "thermometer", "anemometer", "barometer", "compass" ]
thermometer
Answer the following multiple-choice question. Question: What device is used to measure temperature? Options: A. thermometer B. anemometer C. barometer D. compass Which option is correct and why?
The correct answer is: thermometer.
Our eyes can help us with
[ "a radio recording", "shove from behind", "a label", "a loud noise" ]
a label
Answer the following multiple-choice question. Question: Our eyes can help us with Options: A. a radio recording B. shove from behind C. a label D. a loud noise Which option is correct and why?
The correct answer is: a label.
What is transmitted by moving electrons in an electric current?
[ "electrical energy", "subsequent energy", "potential energy", "stellar energy" ]
electrical energy
Answer the following multiple-choice question. Question: What is transmitted by moving electrons in an electric current? Options: A. electrical energy B. subsequent energy C. potential energy D. stellar energy Which option is correct and why?
The correct answer is: electrical energy.
What is captured by the sticky structure at the top of the style called the stigma?
[ "precipitation", "sunlight", "fungi", "pollen" ]
pollen
Answer the following multiple-choice question. Question: What is captured by the sticky structure at the top of the style called the stigma? Options: A. precipitation B. sunlight C. fungi D. pollen Which option is correct and why?
The correct answer is: pollen.
Which relationship involves inheritance of genetics?
[ "mother-daughter", "friend-friend", "teacher-student", "husband-wife" ]
mother-daughter
Answer the following multiple-choice question. Question: Which relationship involves inheritance of genetics? Options: A. mother-daughter B. friend-friend C. teacher-student D. husband-wife Which option is correct and why?
The correct answer is: mother-daughter.
A student is studying different aspects of science, and today's area is magnetic properties. The student has a magnet, and is testing which sort of objects the magnet will have an attraction to. The student is surprised that the magnet tugs itself towards
[ "a plastic cup", "a plaster wall", "a grey stone", "a paper plate" ]
a grey stone
Answer the following multiple-choice question. Question: A student is studying different aspects of science, and today's area is magnetic properties. The student has a magnet, and is testing which sort of objects the magnet will have an attraction to. The student is surprised that the magnet tugs itself towards Options: A. a plastic cup B. a plaster wall C. a grey stone D. a paper plate Which option is correct and why?
The correct answer is: a grey stone.
Water in a sealed jar might do what when placed in the freezer?
[ "evaporate", "break it", "melt", "run off" ]
break it
Answer the following multiple-choice question. Question: Water in a sealed jar might do what when placed in the freezer? Options: A. evaporate B. break it C. melt D. run off Which option is correct and why?
The correct answer is: break it.
lack of _ causes low amounts of rainfall
[ "drought", "humidity", "heat", "Dehydration", "less water", "flooding", "oxygen", "nitrogen" ]
humidity
Answer the following multiple-choice question. Question: lack of _ causes low amounts of rainfall Options: A. drought B. humidity C. heat D. Dehydration E. less water F. flooding G. oxygen H. nitrogen Which option is correct and why?
The correct answer is: humidity.
What process that begins in utero during fetal development and continues on into adolescence involves closing of the skull?
[ "calcification", "elongation", "incubation", "ossification" ]
ossification
Answer the following multiple-choice question. Question: What process that begins in utero during fetal development and continues on into adolescence involves closing of the skull? Options: A. calcification B. elongation C. incubation D. ossification Which option is correct and why?
The correct answer is: ossification.
More uv rays reach the ground due to a decrease in what layer in the stratosphere?
[ "smog", "gases", "troposphere", "ozone" ]
ozone
Answer the following multiple-choice question. Question: More uv rays reach the ground due to a decrease in what layer in the stratosphere? Options: A. smog B. gases C. troposphere D. ozone Which option is correct and why?
The correct answer is: ozone.
What do we call the mathematical field of study credited to french mathematician-philosopher rene descartes?
[ "Euclidean geometry", "algebra", "calculus", "cartesian geometry" ]
cartesian geometry
Answer the following multiple-choice question. Question: What do we call the mathematical field of study credited to french mathematician-philosopher rene descartes? Options: A. Euclidean geometry B. algebra C. calculus D. cartesian geometry Which option is correct and why?
The correct answer is: cartesian geometry.
The population of zebras is stagnant due to a lack of new baby zebras, what will happen over time to the community without support?
[ "sadness", "resurgence", "shrinkage", "regrowth" ]
shrinkage
Answer the following multiple-choice question. Question: The population of zebras is stagnant due to a lack of new baby zebras, what will happen over time to the community without support? Options: A. sadness B. resurgence C. shrinkage D. regrowth Which option is correct and why?
The correct answer is: shrinkage.
What is the main makeup of the cell membrane?
[ "filaments", "glucose", "phospholipids", "antibodies" ]
phospholipids
Answer the following multiple-choice question. Question: What is the main makeup of the cell membrane? Options: A. filaments B. glucose C. phospholipids D. antibodies Which option is correct and why?
The correct answer is: phospholipids.
In harmonic motion there is always what force, which acts in the opposite direction of the velocity?
[ "magnetic force", "restorative force", "locomotion force", "inorganic force" ]
restorative force
Answer the following multiple-choice question. Question: In harmonic motion there is always what force, which acts in the opposite direction of the velocity? Options: A. magnetic force B. restorative force C. locomotion force D. inorganic force Which option is correct and why?
The correct answer is: restorative force.
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The heat capacity of an object depends on its chemical composition and what other property?
[ "weight", "volume", "concentrations", "mass" ]
mass
Answer the following multiple-choice question. Question: The heat capacity of an object depends on its chemical composition and what other property? Options: A. weight B. volume C. concentrations D. mass Which option is correct and why?
The correct answer is: mass.
Although they look like big rocks, what structures that serve as habitats for many different types of ocean life are actually alive?
[ "southern reefs", "coral reefs", "natural reefs", "new forming reefs" ]
coral reefs
Answer the following multiple-choice question. Question: Although they look like big rocks, what structures that serve as habitats for many different types of ocean life are actually alive? Options: A. southern reefs B. coral reefs C. natural reefs D. new forming reefs Which option is correct and why?
The correct answer is: coral reefs.
What does the green matter on plants do?
[ "Absorb light", "Change colors", "Shield from sun", "It expands", "Protects from predators", "Drinks water", "reproduce", "growth" ]
Absorb light
Answer the following multiple-choice question. Question: What does the green matter on plants do? Options: A. Absorb light B. Change colors C. Shield from sun D. It expands E. Protects from predators F. Drinks water G. reproduce H. growth Which option is correct and why?
The correct answer is: Absorb light.
What protects reptiles from injury and loss of water?
[ "pores", "scales", "hairs", "tail" ]
scales
Answer the following multiple-choice question. Question: What protects reptiles from injury and loss of water? Options: A. pores B. scales C. hairs D. tail Which option is correct and why?
The correct answer is: scales.
What do mammals breathe?
[ "lung", "Air", "O2", "Gas", "Carbon dioxide", "Urea", "Heat", "Moisture" ]
Air
Answer the following multiple-choice question. Question: What do mammals breathe? Options: A. lung B. Air C. O2 D. Gas E. Carbon dioxide F. Urea G. Heat H. Moisture Which option is correct and why?
The correct answer is: Air.
cells need to be what regularly to function properly
[ "growth", "hydration", "repaired", "rest", "frozen", "plugged in", "enlarged", "staying warm" ]
repaired
Answer the following multiple-choice question. Question: cells need to be what regularly to function properly Options: A. growth B. hydration C. repaired D. rest E. frozen F. plugged in G. enlarged H. staying warm Which option is correct and why?
The correct answer is: repaired.
tuna swim extremely fast to catch
[ "sharks", "kelp", "anchovies", "starfish" ]
anchovies
Answer the following multiple-choice question. Question: tuna swim extremely fast to catch Options: A. sharks B. kelp C. anchovies D. starfish Which option is correct and why?
The correct answer is: anchovies.
DNA is formed when many what bind together?
[ "they bend", "strong", "bioaerosols", "electrically", "interact", "nucleotides", "parasites", "Chemical energy" ]
nucleotides
Answer the following multiple-choice question. Question: DNA is formed when many what bind together? Options: A. they bend B. strong C. bioaerosols D. electrically E. interact F. nucleotides G. parasites H. Chemical energy Which option is correct and why?
The correct answer is: nucleotides.
What type of numerical figure is important in considering the precision and accuracy of a number?
[ "insignificant", "exponent", "component", "significant" ]
significant
Answer the following multiple-choice question. Question: What type of numerical figure is important in considering the precision and accuracy of a number? Options: A. insignificant B. exponent C. component D. significant Which option is correct and why?
The correct answer is: significant.
What makes toenails and fingernails hard?
[ "guanine", "keratin", "cellulose", "taurine" ]
keratin
Answer the following multiple-choice question. Question: What makes toenails and fingernails hard? Options: A. guanine B. keratin C. cellulose D. taurine Which option is correct and why?
The correct answer is: keratin.
Sleep has what impact on health?
[ "negative", "neutral", "exercise", "It expands", "ambiguous", "positive", "sweating", "movement" ]
positive
Answer the following multiple-choice question. Question: Sleep has what impact on health? Options: A. negative B. neutral C. exercise D. It expands E. ambiguous F. positive G. sweating H. movement Which option is correct and why?
The correct answer is: positive.
What type of rain dissolves limestone and marble?
[ "acid", "natural", "sulfur", "carbon" ]
acid
Answer the following multiple-choice question. Question: What type of rain dissolves limestone and marble? Options: A. acid B. natural C. sulfur D. carbon Which option is correct and why?
The correct answer is: acid.
Prokaryotic cells can only regulate gene expression by controlling the amount of what?
[ "RNA processing", "translation", "folding", "transcription" ]
transcription
Answer the following multiple-choice question. Question: Prokaryotic cells can only regulate gene expression by controlling the amount of what? Options: A. RNA processing B. translation C. folding D. transcription Which option is correct and why?
The correct answer is: transcription.
What device uses electromagnetic induction to change the voltage of electric current?
[ "electric transformer", "electric conductor", "convection device", "electric combustion" ]
electric transformer
Answer the following multiple-choice question. Question: What device uses electromagnetic induction to change the voltage of electric current? Options: A. electric transformer B. electric conductor C. convection device D. electric combustion Which option is correct and why?
The correct answer is: electric transformer.
A circuit must be what in order for electric devices such as light bulbs to work?
[ "closed", "cyclical", "open", "down" ]
closed
Answer the following multiple-choice question. Question: A circuit must be what in order for electric devices such as light bulbs to work? Options: A. closed B. cyclical C. open D. down Which option is correct and why?
The correct answer is: closed.
A shuttle quest to Earth's light source would take lots of
[ "muscle and time", "navigation and speed", "speed and light", "fuel and time" ]
fuel and time
Answer the following multiple-choice question. Question: A shuttle quest to Earth's light source would take lots of Options: A. muscle and time B. navigation and speed C. speed and light D. fuel and time Which option is correct and why?
The correct answer is: fuel and time.
What part of a plant protects the plant cell, maintains its shape, and prevents excessive uptake of water?
[ "wall", "chloroplasm", "stem", "root" ]
wall
Answer the following multiple-choice question. Question: What part of a plant protects the plant cell, maintains its shape, and prevents excessive uptake of water? Options: A. wall B. chloroplasm C. stem D. root Which option is correct and why?
The correct answer is: wall.
At what trophic level is a plant?
[ "lower trophic level", "higher trophic level", "the body's largest organ", "vegetation", "Something that is self-aware", "it needs them", "middle trophic level", "highest trophic level" ]
lower trophic level
Answer the following multiple-choice question. Question: At what trophic level is a plant? Options: A. lower trophic level B. higher trophic level C. the body's largest organ D. vegetation E. Something that is self-aware F. it needs them G. middle trophic level H. highest trophic level Which option is correct and why?
The correct answer is: lower trophic level.
What term refers to the breaking stress that will cause permanent deformation or fracture of a material?
[ "malleability", "viscosity", "elasticity", "tensile strength" ]
tensile strength
Answer the following multiple-choice question. Question: What term refers to the breaking stress that will cause permanent deformation or fracture of a material? Options: A. malleability B. viscosity C. elasticity D. tensile strength Which option is correct and why?
The correct answer is: tensile strength.
What is the boiling and freezing point of water in celcius?
[ "212 degrees c and 0 degrees c", "100 degrees c and 0 degrees c", "100 degrees c and 32 degrees c", "212 degrees c and 32 degrees c" ]
100 degrees c and 0 degrees c
Answer the following multiple-choice question. Question: What is the boiling and freezing point of water in celcius? Options: A. 212 degrees c and 0 degrees c B. 100 degrees c and 0 degrees c C. 100 degrees c and 32 degrees c D. 212 degrees c and 32 degrees c Which option is correct and why?
The correct answer is: 100 degrees c and 0 degrees c.
Thunder clouds are
[ "filled with beautiful music", "of a significant weight", "the color light pink", "take 10 years to form" ]
of a significant weight
Answer the following multiple-choice question. Question: Thunder clouds are Options: A. filled with beautiful music B. of a significant weight C. the color light pink D. take 10 years to form Which option is correct and why?
The correct answer is: of a significant weight.
A wound caused by a contaminated object may become:
[ "threatened", "infected", "hospital", "material", "bacteria", "limb ripped off", "imbalanced", "homogenous" ]
infected
Answer the following multiple-choice question. Question: A wound caused by a contaminated object may become: Options: A. threatened B. infected C. hospital D. material E. bacteria F. limb ripped off G. imbalanced H. homogenous Which option is correct and why?
The correct answer is: infected.
Corn can sometimes
[ "be grown in arctic environments", "be used as kindling", "fuel a steam locomotive", "fuel an economy car" ]
fuel an economy car
Answer the following multiple-choice question. Question: Corn can sometimes Options: A. be grown in arctic environments B. be used as kindling C. fuel a steam locomotive D. fuel an economy car Which option is correct and why?
The correct answer is: fuel an economy car.
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How is plasma formed?
[ "Using money", "vaporization", "evaporation", "Using fear", "Using blame", "circulatory system", "Using energy", "It gets heated up" ]
Using energy
Answer the following multiple-choice question. Question: How is plasma formed? Options: A. Using money B. vaporization C. evaporation D. Using fear E. Using blame F. circulatory system G. Using energy H. It gets heated up Which option is correct and why?
The correct answer is: Using energy.
Freezing and thawing cause what type of weathering?
[ "loose soil", "climate", "mechanical", "flooding", "Sediment", "rivers", "Metling snow", "Winter" ]
mechanical
Answer the following multiple-choice question. Question: Freezing and thawing cause what type of weathering? Options: A. loose soil B. climate C. mechanical D. flooding E. Sediment F. rivers G. Metling snow H. Winter Which option is correct and why?
The correct answer is: mechanical.