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Earth's tilt on its rotating axis causes what?
[ "rainfall", "wind", "rest", "spring", "autumn", "pollution", "taxes", "death" ]
autumn
Answer the following multiple-choice question. Question: Earth's tilt on its rotating axis causes what? Options: A. rainfall B. wind C. rest D. spring E. autumn F. pollution G. taxes H. death Which option is correct and why?
The correct answer is: autumn.
E
Liverworts are small plants that grow close to what?
[ "ground", "houses", "tree tops", "beaches" ]
ground
Answer the following multiple-choice question. Question: Liverworts are small plants that grow close to what? Options: A. ground B. houses C. tree tops D. beaches Which option is correct and why?
The correct answer is: ground.
A
What can heavy rains damage?
[ "alveoli", "fish", "plants", "trees", "rope", "homes", "clouds", "Roads" ]
homes
Answer the following multiple-choice question. Question: What can heavy rains damage? Options: A. alveoli B. fish C. plants D. trees E. rope F. homes G. clouds H. Roads Which option is correct and why?
The correct answer is: homes.
A
What general property of an earthquake is used to describe its relative strength?
[ "resonance", "latitude", "amplitude", "magnitude" ]
magnitude
Answer the following multiple-choice question. Question: What general property of an earthquake is used to describe its relative strength? Options: A. resonance B. latitude C. amplitude D. magnitude Which option is correct and why?
The correct answer is: magnitude.
D
A worm would most likely be eating
[ "a living tree", "a healthy human", "a dead lizard", "a living rat" ]
a dead lizard
Answer the following multiple-choice question. Question: A worm would most likely be eating Options: A. a living tree B. a healthy human C. a dead lizard D. a living rat Which option is correct and why?
The correct answer is: a dead lizard.
C
what learns how to behave through playing?
[ "protist", "people", "humans", "ants", "sharks", "plants", "whales", "athletes" ]
whales
Answer the following multiple-choice question. Question: what learns how to behave through playing? Options: A. protist B. people C. humans D. ants E. sharks F. plants G. whales H. athletes Which option is correct and why?
The correct answer is: whales.
A
What do glaciers do to rocks?
[ "break off", "Turns them into ice", "Regrows it", "Creates more rocks", "Dries them out", "protect them", "Breaks them apart", "cause their death" ]
Breaks them apart
Answer the following multiple-choice question. Question: What do glaciers do to rocks? Options: A. break off B. Turns them into ice C. Regrows it D. Creates more rocks E. Dries them out F. protect them G. Breaks them apart H. cause their death Which option is correct and why?
The correct answer is: Breaks them apart.
A
Many species have small amounts of magnetite to guide during their
[ "hibernation", "migration", "metamorphosis", "spawning" ]
migration
Answer the following multiple-choice question. Question: Many species have small amounts of magnetite to guide during their Options: A. hibernation B. migration C. metamorphosis D. spawning Which option is correct and why?
The correct answer is: migration.
B
The negative logarithm of the hydroxide-ion concentration of a solution is called?
[ "the piel", "the hil", "the poh", "the hop" ]
the poh
Answer the following multiple-choice question. Question: The negative logarithm of the hydroxide-ion concentration of a solution is called? Options: A. the piel B. the hil C. the poh D. the hop Which option is correct and why?
The correct answer is: the poh.
C
Chemical reactions follow which laws?
[ "thermodynamics", "Archie's law", "Physics Analysis", "Chemical kinetics" ]
thermodynamics
Answer the following multiple-choice question. Question: Chemical reactions follow which laws? Options: A. thermodynamics B. Archie's law C. Physics Analysis D. Chemical kinetics Which option is correct and why?
The correct answer is: thermodynamics.
A
What are some of the steps that forms a lake?
[ "decomposition and respiration", "storing water", "photosynthesis and solar energy", "near the shoreline", "precipitation and run-off", "perspiration and excretion", "The area was once underwater", "At the peak of a mountain" ]
precipitation and run-off
Answer the following multiple-choice question. Question: What are some of the steps that forms a lake? Options: A. decomposition and respiration B. storing water C. photosynthesis and solar energy D. near the shoreline E. precipitation and run-off F. perspiration and excretion G. The area was once underwater H. At the peak of a mountain Which option is correct and why?
The correct answer is: precipitation and run-off.
E
People eating meals or snacks containing substances are further processed in the
[ "reproductive system", "burgers and fries", "gastro tract", "ocular department" ]
gastro tract
Answer the following multiple-choice question. Question: People eating meals or snacks containing substances are further processed in the Options: A. reproductive system B. burgers and fries C. gastro tract D. ocular department Which option is correct and why?
The correct answer is: gastro tract.
C
Salt in the water is something that must be adapted to by organisms who live in:
[ "evaporation", "environment", "rivers", "bioaerosols", "our planet", "Deposition", "estuaries", "deserts" ]
estuaries
Answer the following multiple-choice question. Question: Salt in the water is something that must be adapted to by organisms who live in: Options: A. evaporation B. environment C. rivers D. bioaerosols E. our planet F. Deposition G. estuaries H. deserts Which option is correct and why?
The correct answer is: estuaries.
A
The skeleton of lampreys is made of what?
[ "ligament", "collagen", "chitin", "cartilage" ]
cartilage
Answer the following multiple-choice question. Question: The skeleton of lampreys is made of what? Options: A. ligament B. collagen C. chitin D. cartilage Which option is correct and why?
The correct answer is: cartilage.
D
What is something that all machines must overcome?
[ "stress", "work", "friction", "temperature" ]
friction
Answer the following multiple-choice question. Question: What is something that all machines must overcome? Options: A. stress B. work C. friction D. temperature Which option is correct and why?
The correct answer is: friction.
C
Viruses are not what
[ "tissue", "protected", "expelled", "disease", "humans", "A drug.", "parasites", "dangerous" ]
tissue
Answer the following multiple-choice question. Question: Viruses are not what Options: A. tissue B. protected C. expelled D. disease E. humans F. A drug. G. parasites H. dangerous Which option is correct and why?
The correct answer is: tissue.
A
All living things require what, which most ecosystems obtain from the sun?
[ "energy", "oxygen", "heat", "water" ]
energy
Answer the following multiple-choice question. Question: All living things require what, which most ecosystems obtain from the sun? Options: A. energy B. oxygen C. heat D. water Which option is correct and why?
The correct answer is: energy.
A
migration is when animals travel from the north to Texas during what segment of time?
[ "beach area", "spring", "winter", "birds" ]
winter
Answer the following multiple-choice question. Question: migration is when animals travel from the north to Texas during what segment of time? Options: A. beach area B. spring C. winter D. birds Which option is correct and why?
The correct answer is: winter.
C
A reflector is used to reflect
[ "dirt", "sunbeams", "cosmic dust", "solar heat" ]
sunbeams
Answer the following multiple-choice question. Question: A reflector is used to reflect Options: A. dirt B. sunbeams C. cosmic dust D. solar heat Which option is correct and why?
The correct answer is: sunbeams.
B
In what unit is heat measured in?
[ "thermals", "amperes", "velocities", "joules" ]
joules
Answer the following multiple-choice question. Question: In what unit is heat measured in? Options: A. thermals B. amperes C. velocities D. joules Which option is correct and why?
The correct answer is: joules.
D
Which phenomenon is studied about once annually?
[ "planes departing", "cats purring", "geese travelling", "rats flying" ]
geese travelling
Answer the following multiple-choice question. Question: Which phenomenon is studied about once annually? Options: A. planes departing B. cats purring C. geese travelling D. rats flying Which option is correct and why?
The correct answer is: geese travelling.
C
What can kill animals?
[ "Daylight", "influenza", "Happiness", "bacteria", "Smoking", "Weather", "Sunsets", "A virus" ]
Weather
Answer the following multiple-choice question. Question: What can kill animals? Options: A. Daylight B. influenza C. Happiness D. bacteria E. Smoking F. Weather G. Sunsets H. A virus Which option is correct and why?
The correct answer is: Weather.
A
Overharvesting is a serious threat particularly to which species?
[ "amphibious species", "terrestrial species", "aquatic species", "aerial species" ]
aquatic species
Answer the following multiple-choice question. Question: Overharvesting is a serious threat particularly to which species? Options: A. amphibious species B. terrestrial species C. aquatic species D. aerial species Which option is correct and why?
The correct answer is: aquatic species.
C
Because they can cause diseases in plants, some parasitic fungi are considered what?
[ "pathogenic", "bacterial", "toxic", "viral" ]
pathogenic
Answer the following multiple-choice question. Question: Because they can cause diseases in plants, some parasitic fungi are considered what? Options: A. pathogenic B. bacterial C. toxic D. viral Which option is correct and why?
The correct answer is: pathogenic.
A
Most arthropods are insects. the phylum also includes spiders, centipedes, and what?
[ "crustaceans", "amphibians", "coral", "crystals" ]
crustaceans
Answer the following multiple-choice question. Question: Most arthropods are insects. the phylum also includes spiders, centipedes, and what? Options: A. crustaceans B. amphibians C. coral D. crystals Which option is correct and why?
The correct answer is: crustaceans.
A
Mustangs are noted for abilities in what
[ "physical activities", "to move people", "circulatory systems", "the body's largest organ", "sense organs", "smell and taste", "genetic diversity", "Chemical energy" ]
physical activities
Answer the following multiple-choice question. Question: Mustangs are noted for abilities in what Options: A. physical activities B. to move people C. circulatory systems D. the body's largest organ E. sense organs F. smell and taste G. genetic diversity H. Chemical energy Which option is correct and why?
The correct answer is: physical activities.
A
Water molds are commonly found in moist soil and where else?
[ "surface water", "standing water", "crust water", "methane water" ]
surface water
Answer the following multiple-choice question. Question: Water molds are commonly found in moist soil and where else? Options: A. surface water B. standing water C. crust water D. methane water Which option is correct and why?
The correct answer is: surface water.
A
Where do all adult echinoderms live?
[ "soil", "desert", "freshwater", "fossils", "water", "Earth", "small", "aquariums" ]
water
Answer the following multiple-choice question. Question: Where do all adult echinoderms live? Options: A. soil B. desert C. freshwater D. fossils E. water F. Earth G. small H. aquariums Which option is correct and why?
The correct answer is: water.
E
What is a substance that can not be broken down any further into other substances?
[ "pure molecule", "pure substance", "pure material", "unbreakable substance" ]
pure substance
Answer the following multiple-choice question. Question: What is a substance that can not be broken down any further into other substances? Options: A. pure molecule B. pure substance C. pure material D. unbreakable substance Which option is correct and why?
The correct answer is: pure substance.
B
Chromosomes contain characteristics that are within the what
[ "seeds", "blood stream", "cell", "DNA chain", "Plants growth", "Most plants", "orchids", "molecules" ]
DNA chain
Answer the following multiple-choice question. Question: Chromosomes contain characteristics that are within the what Options: A. seeds B. blood stream C. cell D. DNA chain E. Plants growth F. Most plants G. orchids H. molecules Which option is correct and why?
The correct answer is: DNA chain.
D
Pesticides can cause what to be destroyed?
[ "Plant growth is reduced", "swamp vegetation", "most organisms", "important habitats", "entire ecosystems", "one celled organisms", "harmful substances", "genetic diversity" ]
entire ecosystems
Answer the following multiple-choice question. Question: Pesticides can cause what to be destroyed? Options: A. Plant growth is reduced B. swamp vegetation C. most organisms D. important habitats E. entire ecosystems F. one celled organisms G. harmful substances H. genetic diversity Which option is correct and why?
The correct answer is: entire ecosystems.
E
What decreases stamina?
[ "Plant growth is reduced", "harmful substances", "dehydration", "influenza", "liver cancer", "Abnormal cell growth", "smoking cigarettes", "some viruses" ]
smoking cigarettes
Answer the following multiple-choice question. Question: What decreases stamina? Options: A. Plant growth is reduced B. harmful substances C. dehydration D. influenza E. liver cancer F. Abnormal cell growth G. smoking cigarettes H. some viruses Which option is correct and why?
The correct answer is: smoking cigarettes.
A
What do you call the membrane-bounded droplets that have some properties of cells?
[ "protocells", "membranes.", "sporozoans", "rods" ]
protocells
Answer the following multiple-choice question. Question: What do you call the membrane-bounded droplets that have some properties of cells? Options: A. protocells B. membranes. C. sporozoans D. rods Which option is correct and why?
The correct answer is: protocells.
A
Many disciplines within the study of biology contribute to understanding how past and present life evolved over time; these disciplines together contribute to building, updating, and maintaining this?
[ "forests of life", "amount of life", "tree of life", "root of life" ]
tree of life
Answer the following multiple-choice question. Question: Many disciplines within the study of biology contribute to understanding how past and present life evolved over time; these disciplines together contribute to building, updating, and maintaining this? Options: A. forests of life B. amount of life C. tree of life D. root of life Which option is correct and why?
The correct answer is: tree of life.
C
cells can be damaged when they lose their ability to what
[ "divide", "retina", "produce air", "grow", "produce enzymes", "alveoli", "stay warm", "breathe" ]
divide
Answer the following multiple-choice question. Question: cells can be damaged when they lose their ability to what Options: A. divide B. retina C. produce air D. grow E. produce enzymes F. alveoli G. stay warm H. breathe Which option is correct and why?
The correct answer is: divide.
A
What sac, which was sitting on top of the flat embryo, envelops the embryo as it folds?
[ "epithelial sac", "umbilical sac", "uterus", "amniotic sac" ]
amniotic sac
Answer the following multiple-choice question. Question: What sac, which was sitting on top of the flat embryo, envelops the embryo as it folds? Options: A. epithelial sac B. umbilical sac C. uterus D. amniotic sac Which option is correct and why?
The correct answer is: amniotic sac.
D
When this floods, it deposits soil in flood plains?
[ "a large stream", "to move people", "Great Plains", "oceans", "a hydraulic system", "puddles", "erosion", "near the shoreline" ]
a large stream
Answer the following multiple-choice question. Question: When this floods, it deposits soil in flood plains? Options: A. a large stream B. to move people C. Great Plains D. oceans E. a hydraulic system F. puddles G. erosion H. near the shoreline Which option is correct and why?
The correct answer is: a large stream.
A
What may bend light rays?
[ "fibers", "prism", "an ion", "sun", "a wave", "lightbulb", "forces", "flashlight" ]
prism
Answer the following multiple-choice question. Question: What may bend light rays? Options: A. fibers B. prism C. an ion D. sun E. a wave F. lightbulb G. forces H. flashlight Which option is correct and why?
The correct answer is: prism.
B
What is the term for the class of ectothermic, four-legged vertebrates that produce amniotic eggs?
[ "mammals", "Turtles", "amphibians", "reptiles" ]
reptiles
Answer the following multiple-choice question. Question: What is the term for the class of ectothermic, four-legged vertebrates that produce amniotic eggs? Options: A. mammals B. Turtles C. amphibians D. reptiles Which option is correct and why?
The correct answer is: reptiles.
D
The development of a head region is called what?
[ "spore", "trichina", "cephalization", "cocklebur" ]
cephalization
Answer the following multiple-choice question. Question: The development of a head region is called what? Options: A. spore B. trichina C. cephalization D. cocklebur Which option is correct and why?
The correct answer is: cephalization.
C
What particles are formed from a neutron in beta decay?
[ "electron and a proton", "mucus and a proton", "atom and proton", "rust and proton" ]
electron and a proton
Answer the following multiple-choice question. Question: What particles are formed from a neutron in beta decay? Options: A. electron and a proton B. mucus and a proton C. atom and proton D. rust and proton Which option is correct and why?
The correct answer is: electron and a proton.
A
Which are likeliest to rely on nonrenewable resources?
[ "windmills", "dams", "solar panels", "cell phones" ]
cell phones
Answer the following multiple-choice question. Question: Which are likeliest to rely on nonrenewable resources? Options: A. windmills B. dams C. solar panels D. cell phones Which option is correct and why?
The correct answer is: cell phones.
D
Bacteria can cause people to do what?
[ "sweating", "turn inside out", "harm physicians", "contracting", "decrease stamina", "turn to a doctor", "Dehydration", "become doctors" ]
turn to a doctor
Answer the following multiple-choice question. Question: Bacteria can cause people to do what? Options: A. sweating B. turn inside out C. harm physicians D. contracting E. decrease stamina F. turn to a doctor G. Dehydration H. become doctors Which option is correct and why?
The correct answer is: turn to a doctor.
A
The cell of a plant when photosynthesizing may most require
[ "access to roofless space", "a complete vacuum in space", "a room with blackened windows", "dark basement living quarters" ]
access to roofless space
Answer the following multiple-choice question. Question: The cell of a plant when photosynthesizing may most require Options: A. access to roofless space B. a complete vacuum in space C. a room with blackened windows D. dark basement living quarters Which option is correct and why?
The correct answer is: access to roofless space.
A
An action potential that starts at the axon hillock moves along the axon only toward what?
[ "ionic pathways", "the synaptic terminals", "nerve endings", "polar synapses" ]
the synaptic terminals
Answer the following multiple-choice question. Question: An action potential that starts at the axon hillock moves along the axon only toward what? Options: A. ionic pathways B. the synaptic terminals C. nerve endings D. polar synapses Which option is correct and why?
The correct answer is: the synaptic terminals.
B
Eating food that contains _ can have a negative impact on humans.
[ "harm", "nitric oxide", "rust", "Lead", "acid", "glycogen", "genetic engineering", "DDT" ]
DDT
Answer the following multiple-choice question. Question: Eating food that contains _ can have a negative impact on humans. Options: A. harm B. nitric oxide C. rust D. Lead E. acid F. glycogen G. genetic engineering H. DDT Which option is correct and why?
The correct answer is: DDT.
A
What phylum has the highest number of species on earth?
[ "lophotrochozoa", "lichens", "cephalopods", "arthropods" ]
arthropods
Answer the following multiple-choice question. Question: What phylum has the highest number of species on earth? Options: A. lophotrochozoa B. lichens C. cephalopods D. arthropods Which option is correct and why?
The correct answer is: arthropods.
D
Molecular geometry is the three-dimensional arrangement of atoms in a what?
[ "molecule", "genes", "nucleus", "DNA" ]
molecule
Answer the following multiple-choice question. Question: Molecular geometry is the three-dimensional arrangement of atoms in a what? Options: A. molecule B. genes C. nucleus D. DNA Which option is correct and why?
The correct answer is: molecule.
A
What type of cells make up tumors?
[ "white blood cells", "cancer cells", "boyle cells", "consumption cells" ]
cancer cells
Answer the following multiple-choice question. Question: What type of cells make up tumors? Options: A. white blood cells B. cancer cells C. boyle cells D. consumption cells Which option is correct and why?
The correct answer is: cancer cells.
B
Camel humps are a good example of
[ "Iraqi roadside prime cuisine", "seats for desert dwellers", "a popular brand of shoe", "changing to meet the environment" ]
changing to meet the environment
Answer the following multiple-choice question. Question: Camel humps are a good example of Options: A. Iraqi roadside prime cuisine B. seats for desert dwellers C. a popular brand of shoe D. changing to meet the environment Which option is correct and why?
The correct answer is: changing to meet the environment.
D
What are found primarily in lines around the edges of some continents?
[ "volcanoes", "glaciers", "Reefs", "earthquakes" ]
earthquakes
Answer the following multiple-choice question. Question: What are found primarily in lines around the edges of some continents? Options: A. volcanoes B. glaciers C. Reefs D. earthquakes Which option is correct and why?
The correct answer is: earthquakes.
D
What often occurs on steep slopes in dry climates?
[ "landslides", "earthquakes", "volcanoes", "tsunamis" ]
landslides
Answer the following multiple-choice question. Question: What often occurs on steep slopes in dry climates? Options: A. landslides B. earthquakes C. volcanoes D. tsunamis Which option is correct and why?
The correct answer is: landslides.
A
What organ breaks down excess amino acids and toxins in the blood?
[ "heart", "lungs", "kidney", "liver" ]
liver
Answer the following multiple-choice question. Question: What organ breaks down excess amino acids and toxins in the blood? Options: A. heart B. lungs C. kidney D. liver Which option is correct and why?
The correct answer is: liver.
D
what species may be caused to fight each other by competition?
[ "h2o", "Lobsters", "violence", "pigeons", "gases", "omnivores", "bullfrogs", "humans" ]
humans
Answer the following multiple-choice question. Question: what species may be caused to fight each other by competition? Options: A. h2o B. Lobsters C. violence D. pigeons E. gases F. omnivores G. bullfrogs H. humans Which option is correct and why?
The correct answer is: humans.
A
trees can be dispersed by
[ "insects", "heat energy", "gene flow", "mutations", "wind speed", "animal fur", "Movement", "sun's heat" ]
animal fur
Answer the following multiple-choice question. Question: trees can be dispersed by Options: A. insects B. heat energy C. gene flow D. mutations E. wind speed F. animal fur G. Movement H. sun's heat Which option is correct and why?
The correct answer is: animal fur.
A
What is another term for nearsightedness?
[ "myopia", "anemia", "astigmatism", "hypoxia" ]
myopia
Answer the following multiple-choice question. Question: What is another term for nearsightedness? Options: A. myopia B. anemia C. astigmatism D. hypoxia Which option is correct and why?
The correct answer is: myopia.
A
Amniocentesis and chorionic villus sampling can indicate whether a suspected genetic disorder is present at what stage?
[ "fetal", "adult", "toddler", "infant" ]
fetal
Answer the following multiple-choice question. Question: Amniocentesis and chorionic villus sampling can indicate whether a suspected genetic disorder is present at what stage? Options: A. fetal B. adult C. toddler D. infant Which option is correct and why?
The correct answer is: fetal.
A
What technology do scientists use to create models?
[ "computers", "patterns", "microscopes", "calculators" ]
computers
Answer the following multiple-choice question. Question: What technology do scientists use to create models? Options: A. computers B. patterns C. microscopes D. calculators Which option is correct and why?
The correct answer is: computers.
A
The larger surface area of leaves allows them to capture more what?
[ "chlorophyll", "sunlight", "molecules", "pollen" ]
sunlight
Answer the following multiple-choice question. Question: The larger surface area of leaves allows them to capture more what? Options: A. chlorophyll B. sunlight C. molecules D. pollen Which option is correct and why?
The correct answer is: sunlight.
B
Food consists of organic molecules that store heat where?
[ "in their chemical bonds", "the rest of the body", "the environment", "by keeping them warm", "Earth orbiting the Sun", "Earth revolving around the sun", "it helps plants in growing", "the body's largest organ" ]
in their chemical bonds
Answer the following multiple-choice question. Question: Food consists of organic molecules that store heat where? Options: A. in their chemical bonds B. the rest of the body C. the environment D. by keeping them warm E. Earth orbiting the Sun F. Earth revolving around the sun G. it helps plants in growing H. the body's largest organ Which option is correct and why?
The correct answer is: in their chemical bonds.
A
If only blue light strikes green leaves what happens to it?
[ "it is absorbed", "it causes cooling", "it causes heating", "it is reflected" ]
it is absorbed
Answer the following multiple-choice question. Question: If only blue light strikes green leaves what happens to it? Options: A. it is absorbed B. it causes cooling C. it causes heating D. it is reflected Which option is correct and why?
The correct answer is: it is absorbed.
A
Geiger counters can be used to detect what, in general?
[ "convection", "radiation", "seismic load", "evaporation" ]
radiation
Answer the following multiple-choice question. Question: Geiger counters can be used to detect what, in general? Options: A. convection B. radiation C. seismic load D. evaporation Which option is correct and why?
The correct answer is: radiation.
B
What is the term for traits that show wide variation, such as height, skin color, and eye color?
[ "polygenic traits", "inherited traits", "recessive traits", "maladaptive traits" ]
polygenic traits
Answer the following multiple-choice question. Question: What is the term for traits that show wide variation, such as height, skin color, and eye color? Options: A. polygenic traits B. inherited traits C. recessive traits D. maladaptive traits Which option is correct and why?
The correct answer is: polygenic traits.
A
In atherosclerosis, thickening of an arterial wall due to this can restrict blood flow through the artery?
[ "low blood pressure", "digestion", "high blood pressure", "plaque formation" ]
plaque formation
Answer the following multiple-choice question. Question: In atherosclerosis, thickening of an arterial wall due to this can restrict blood flow through the artery? Options: A. low blood pressure B. digestion C. high blood pressure D. plaque formation Which option is correct and why?
The correct answer is: plaque formation.
D
What are the ultimate source of genetic variation?
[ "proteins", "parasites", "mutations", "gravity" ]
mutations
Answer the following multiple-choice question. Question: What are the ultimate source of genetic variation? Options: A. proteins B. parasites C. mutations D. gravity Which option is correct and why?
The correct answer is: mutations.
C
What can prevent food spoilage?
[ "prolactin release", "one celled organisms", "hydrating food", "cleaning food", "airing out food", "Electric generators", "a hydraulic system", "dehydrating food" ]
dehydrating food
Answer the following multiple-choice question. Question: What can prevent food spoilage? Options: A. prolactin release B. one celled organisms C. hydrating food D. cleaning food E. airing out food F. Electric generators G. a hydraulic system H. dehydrating food Which option is correct and why?
The correct answer is: dehydrating food.
A
What is the final product of the calvin cycle?
[ "glucose", "insulin", "sucrose", "chloride" ]
glucose
Answer the following multiple-choice question. Question: What is the final product of the calvin cycle? Options: A. glucose B. insulin C. sucrose D. chloride Which option is correct and why?
The correct answer is: glucose.
A
Where are free-living roundworms mainly found?
[ "freshwater habitats", "rainforests", "ocean depths", "arboreal habitats" ]
freshwater habitats
Answer the following multiple-choice question. Question: Where are free-living roundworms mainly found? Options: A. freshwater habitats B. rainforests C. ocean depths D. arboreal habitats Which option is correct and why?
The correct answer is: freshwater habitats.
A
What are two common weather characteristics of hurricanes?
[ "high winds and snowfall", "small winds and rainfall", "low winds and sandstorms", "high winds and rainfall" ]
high winds and rainfall
Answer the following multiple-choice question. Question: What are two common weather characteristics of hurricanes? Options: A. high winds and snowfall B. small winds and rainfall C. low winds and sandstorms D. high winds and rainfall Which option is correct and why?
The correct answer is: high winds and rainfall.
D
what lays their eggs in a burrow?
[ "mammals", "alpacas", "loose soil", "animals", "monotremes", "honeybees", "insects", "ducks" ]
monotremes
Answer the following multiple-choice question. Question: what lays their eggs in a burrow? Options: A. mammals B. alpacas C. loose soil D. animals E. monotremes F. honeybees G. insects H. ducks Which option is correct and why?
The correct answer is: monotremes.
E
what occurs when sperm swims to an egg inside an archegonium>
[ "h2o", "pollen", "sperm", "Energy.", "competition", "pregnancy", "allow growth", "death" ]
pregnancy
Answer the following multiple-choice question. Question: what occurs when sperm swims to an egg inside an archegonium> Options: A. h2o B. pollen C. sperm D. Energy. E. competition F. pregnancy G. allow growth H. death Which option is correct and why?
The correct answer is: pregnancy.
A
A creature that sometimes attaches to sharks is
[ "another shark", "a ray-finned fish", "a jellyfish", "a turtle" ]
a ray-finned fish
Answer the following multiple-choice question. Question: A creature that sometimes attaches to sharks is Options: A. another shark B. a ray-finned fish C. a jellyfish D. a turtle Which option is correct and why?
The correct answer is: a ray-finned fish.
B
What moves electrical particles in an object ?
[ "hitting", "waves", "beating", "wind", "messengers", "a doorbell", "heat", "tapping" ]
hitting
Answer the following multiple-choice question. Question: What moves electrical particles in an object ? Options: A. hitting B. waves C. beating D. wind E. messengers F. a doorbell G. heat H. tapping Which option is correct and why?
The correct answer is: hitting.
A
Metabolic waste products can leave the body through
[ "burning coal", "animal transport", "Dehydration", "radiative transfer", "osmosis", "convection", "fossil fuels", "a sphincter" ]
a sphincter
Answer the following multiple-choice question. Question: Metabolic waste products can leave the body through Options: A. burning coal B. animal transport C. Dehydration D. radiative transfer E. osmosis F. convection G. fossil fuels H. a sphincter Which option is correct and why?
The correct answer is: a sphincter.
A
A radio that takes batteries can make that energy into
[ "fire", "video", "water", "sound" ]
sound
Answer the following multiple-choice question. Question: A radio that takes batteries can make that energy into Options: A. fire B. video C. water D. sound Which option is correct and why?
The correct answer is: sound.
D
What is the force of attraction between two masses?
[ "electricity", "momentum", "inertia", "gravity" ]
gravity
Answer the following multiple-choice question. Question: What is the force of attraction between two masses? Options: A. electricity B. momentum C. inertia D. gravity Which option is correct and why?
The correct answer is: gravity.
D
What is used as an important survival trait by some animals?
[ "bleeding", "lying", "hormones", "food and shelter", "hibernation", "four limbs", "proteins", "crying" ]
hibernation
Answer the following multiple-choice question. Question: What is used as an important survival trait by some animals? Options: A. bleeding B. lying C. hormones D. food and shelter E. hibernation F. four limbs G. proteins H. crying Which option is correct and why?
The correct answer is: hibernation.
E
What on the Earth can be formed by weathering?
[ "plates", "coal", "crust", "cracks", "potash", "dirt", "roots", "rock" ]
dirt
Answer the following multiple-choice question. Question: What on the Earth can be formed by weathering? Options: A. plates B. coal C. crust D. cracks E. potash F. dirt G. roots H. rock Which option is correct and why?
The correct answer is: dirt.
A
All carbon atoms have how many protons?
[ "two", "six", "eight", "one" ]
six
Answer the following multiple-choice question. Question: All carbon atoms have how many protons? Options: A. two B. six C. eight D. one Which option is correct and why?
The correct answer is: six.
B
what does evaporation lower?
[ "less water", "dry", "heat", "clouds", "drought", "moisture", "salinity", "heat energy" ]
moisture
Answer the following multiple-choice question. Question: what does evaporation lower? Options: A. less water B. dry C. heat D. clouds E. drought F. moisture G. salinity H. heat energy Which option is correct and why?
The correct answer is: moisture.
A
What results from plucking a string?
[ "light waves", "sound waves", "guitar", "friction", "chemical changes", "kinetic energy", "mechanical", "violinist" ]
sound waves
Answer the following multiple-choice question. Question: What results from plucking a string? Options: A. light waves B. sound waves C. guitar D. friction E. chemical changes F. kinetic energy G. mechanical H. violinist Which option is correct and why?
The correct answer is: sound waves.
B
What kind of environmental changes can result from climate change?
[ "Greenhouse gases", "threatened", "deforestation", "colder and wetter", "global warming", "animals leaving", "Pollution", "Greenhouse gasses" ]
animals leaving
Answer the following multiple-choice question. Question: What kind of environmental changes can result from climate change? Options: A. Greenhouse gases B. threatened C. deforestation D. colder and wetter E. global warming F. animals leaving G. Pollution H. Greenhouse gasses Which option is correct and why?
The correct answer is: animals leaving.
A
Where is the food stored before being mixed with the chyme?
[ "histopathology of the stomach", "hemispherical of the stomach", "top of the stomach", "fundus of the stomach" ]
fundus of the stomach
Answer the following multiple-choice question. Question: Where is the food stored before being mixed with the chyme? Options: A. histopathology of the stomach B. hemispherical of the stomach C. top of the stomach D. fundus of the stomach Which option is correct and why?
The correct answer is: fundus of the stomach.
D
What can generate little bursts of heat by shivering?
[ "alpacas", "bacteria", "animals", "polar bears", "phytoplankton", "rabbit", "viruses", "humans" ]
polar bears
Answer the following multiple-choice question. Question: What can generate little bursts of heat by shivering? Options: A. alpacas B. bacteria C. animals D. polar bears E. phytoplankton F. rabbit G. viruses H. humans Which option is correct and why?
The correct answer is: polar bears.
D
What type of invertebrates where the earliest animals?
[ "arachnids", "cnidaria", "annelids", "aquatic invertebrates" ]
aquatic invertebrates
Answer the following multiple-choice question. Question: What type of invertebrates where the earliest animals? Options: A. arachnids B. cnidaria C. annelids D. aquatic invertebrates Which option is correct and why?
The correct answer is: aquatic invertebrates.
D
What play an important role in the modulation of the nuclear chain reaction?
[ "control neutrons", "control rods", "radiation rods", "particle rods" ]
control rods
Answer the following multiple-choice question. Question: What play an important role in the modulation of the nuclear chain reaction? Options: A. control neutrons B. control rods C. radiation rods D. particle rods Which option is correct and why?
The correct answer is: control rods.
B
What is made of diverse hydrophobic molecules?
[ "solid, liquid, gas", "gastropod shells", "fur and fat", "Steroid hormones", "an object", "Veins and arteries.", "bioaerosols", "Most plants" ]
Steroid hormones
Answer the following multiple-choice question. Question: What is made of diverse hydrophobic molecules? Options: A. solid, liquid, gas B. gastropod shells C. fur and fat D. Steroid hormones E. an object F. Veins and arteries. G. bioaerosols H. Most plants Which option is correct and why?
The correct answer is: Steroid hormones.
D
What is a disease in which the immune system makes an inflammatory response to a harmless antigen?
[ "bronchitis", "an allergy", "cancer", "heartburn" ]
an allergy
Answer the following multiple-choice question. Question: What is a disease in which the immune system makes an inflammatory response to a harmless antigen? Options: A. bronchitis B. an allergy C. cancer D. heartburn Which option is correct and why?
The correct answer is: an allergy.
B
Beach balls contain
[ "water", "carbon dioxide", "sunlight", "beach sand" ]
carbon dioxide
Answer the following multiple-choice question. Question: Beach balls contain Options: A. water B. carbon dioxide C. sunlight D. beach sand Which option is correct and why?
The correct answer is: carbon dioxide.
B
The average number of individuals per unit of area can be expressed as what?
[ "the percent of population", "population density", "percent density", "total density" ]
population density
Answer the following multiple-choice question. Question: The average number of individuals per unit of area can be expressed as what? Options: A. the percent of population B. population density C. percent density D. total density Which option is correct and why?
The correct answer is: population density.
B
Electrons move, but they aren’t destroyed. this is the law of conservation of what?
[ "cost", "energy", "charge", "matter" ]
charge
Answer the following multiple-choice question. Question: Electrons move, but they aren’t destroyed. this is the law of conservation of what? Options: A. cost B. energy C. charge D. matter Which option is correct and why?
The correct answer is: charge.
C
What does nitrogen do when it's heated
[ "Expands", "boiling", "moves", "Solidifies", "Melts", "heat", "burning", "Condenses" ]
Expands
Answer the following multiple-choice question. Question: What does nitrogen do when it's heated Options: A. Expands B. boiling C. moves D. Solidifies E. Melts F. heat G. burning H. Condenses Which option is correct and why?
The correct answer is: Expands.
A
What absorbs all visible light?
[ "apples", "coal", "Green", "coral", "skin", "bamboo", "glass", "eyes" ]
coal
Answer the following multiple-choice question. Question: What absorbs all visible light? Options: A. apples B. coal C. Green D. coral E. skin F. bamboo G. glass H. eyes Which option is correct and why?
The correct answer is: coal.
B
Eight of the hottest years on record have occurred since what year?
[ "2002", "1998", "1991", "1997" ]
1998
Answer the following multiple-choice question. Question: Eight of the hottest years on record have occurred since what year? Options: A. 2002 B. 1998 C. 1991 D. 1997 Which option is correct and why?
The correct answer is: 1998.
B
Why does a turkey thermometer plunger cap come off?
[ "cold uranium ore", "expanding air", "expanding lead", "contracting gas" ]
expanding air
Answer the following multiple-choice question. Question: Why does a turkey thermometer plunger cap come off? Options: A. cold uranium ore B. expanding air C. expanding lead D. contracting gas Which option is correct and why?
The correct answer is: expanding air.
B
Class bivalvia (“two shells”) includes clams, oysters, mussels, scallops, and these?
[ "grendels", "octopuss", "crabs", "geoducks" ]
geoducks
Answer the following multiple-choice question. Question: Class bivalvia (“two shells”) includes clams, oysters, mussels, scallops, and these? Options: A. grendels B. octopuss C. crabs D. geoducks Which option is correct and why?
The correct answer is: geoducks.
D
What term describes waves that transfer energy through matter?
[ "energy currents", "mechanical currents", "mechanical waves", "temperature waves" ]
mechanical waves
Answer the following multiple-choice question. Question: What term describes waves that transfer energy through matter? Options: A. energy currents B. mechanical currents C. mechanical waves D. temperature waves Which option is correct and why?
The correct answer is: mechanical waves.
C
What caused the Himalayas to form?
[ "permineralization", "Slow compression", "Wind storms", "a hydraulic system", "objects that have mass", "Dinosaurs", "Glaciers", "Water expanding" ]
Slow compression
Answer the following multiple-choice question. Question: What caused the Himalayas to form? Options: A. permineralization B. Slow compression C. Wind storms D. a hydraulic system E. objects that have mass F. Dinosaurs G. Glaciers H. Water expanding Which option is correct and why?
The correct answer is: Slow compression.
B
A fibrod, wart and, cancer are all forms of what cell?
[ "Something coming from a gland", "remains of prehistoric life", "cells divide uncontrolled", "sub-units of species", "deadly and devastating", "the body's largest organ", "share properties", "cause people to become sick." ]
cells divide uncontrolled
Answer the following multiple-choice question. Question: A fibrod, wart and, cancer are all forms of what cell? Options: A. Something coming from a gland B. remains of prehistoric life C. cells divide uncontrolled D. sub-units of species E. deadly and devastating F. the body's largest organ G. share properties H. cause people to become sick. Which option is correct and why?
The correct answer is: cells divide uncontrolled.
C
Some birds find locations with
[ "landmarks", "road signs", "eggs", "magnetic patterns" ]
magnetic patterns
Answer the following multiple-choice question. Question: Some birds find locations with Options: A. landmarks B. road signs C. eggs D. magnetic patterns Which option is correct and why?
The correct answer is: magnetic patterns.
D