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What powers rockets?
[ "supersonic", "a hydraulic system", "sun's heat", "Mechanical energy", "direct energy", "fossil fuels", "hydrogen and oxygen", "electromagnetic energy" ]
Mechanical energy
Answer the following multiple-choice question. Question: What powers rockets? Options: A. supersonic B. a hydraulic system C. sun's heat D. Mechanical energy E. direct energy F. fossil fuels G. hydrogen and oxygen H. electromagnetic energy Which option is correct and why?
The correct answer is: Mechanical energy.
D
A cup of hot tea next to a glass of iced tea will make which become colder?
[ "cup of noodles", "the hot tea", "the iced tea", "tee in alphabet" ]
the hot tea
Answer the following multiple-choice question. Question: A cup of hot tea next to a glass of iced tea will make which become colder? Options: A. cup of noodles B. the hot tea C. the iced tea D. tee in alphabet Which option is correct and why?
The correct answer is: the hot tea.
B
if liquid is changing its state to gas then that liquid is
[ "slimy", "cold", "condensing", "hot" ]
hot
Answer the following multiple-choice question. Question: if liquid is changing its state to gas then that liquid is Options: A. slimy B. cold C. condensing D. hot Which option is correct and why?
The correct answer is: hot.
D
Transport of water and solutes in plants water potential is a measure of the difference in potential energy between a water sample and this?
[ "green water", "pure water", "salty water", "dirty water" ]
pure water
Answer the following multiple-choice question. Question: Transport of water and solutes in plants water potential is a measure of the difference in potential energy between a water sample and this? Options: A. green water B. pure water C. salty water D. dirty water Which option is correct and why?
The correct answer is: pure water.
B
What typifies life?
[ "Beauty", "exercise", "Energy", "Color", "recovery", "Movement", "Oxygen", "Energy." ]
Oxygen
Answer the following multiple-choice question. Question: What typifies life? Options: A. Beauty B. exercise C. Energy D. Color E. recovery F. Movement G. Oxygen H. Energy. Which option is correct and why?
The correct answer is: Oxygen.
A
what do scientists study?
[ "solid, liquid, gas", "microorganisms", "electromagnetic energy", "animal behavior", "biological diversity", "an object", "an organism's body", "metabolic reaction" ]
animal behavior
Answer the following multiple-choice question. Question: what do scientists study? Options: A. solid, liquid, gas B. microorganisms C. electromagnetic energy D. animal behavior E. biological diversity F. an object G. an organism's body H. metabolic reaction Which option is correct and why?
The correct answer is: animal behavior.
D
The mouth, stomach, esophagus, small intestine, and large intestine are all part of what organ system?
[ "respiratory", "muscular", "digestive", "lymphatic" ]
digestive
Answer the following multiple-choice question. Question: The mouth, stomach, esophagus, small intestine, and large intestine are all part of what organ system? Options: A. respiratory B. muscular C. digestive D. lymphatic Which option is correct and why?
The correct answer is: digestive.
C
Explosions can cause harm to what?
[ "clouds", "radio waves", "ground crawlers", "airflow" ]
ground crawlers
Answer the following multiple-choice question. Question: Explosions can cause harm to what? Options: A. clouds B. radio waves C. ground crawlers D. airflow Which option is correct and why?
The correct answer is: ground crawlers.
C
Cells pretty much al share this one characteristic:
[ "sensory neurons", "voltage", "aerobic capacity", "microscopic", "eukaryotic", "bacteria", "prokaryotic", "layers of fat" ]
microscopic
Answer the following multiple-choice question. Question: Cells pretty much al share this one characteristic: Options: A. sensory neurons B. voltage C. aerobic capacity D. microscopic E. eukaryotic F. bacteria G. prokaryotic H. layers of fat Which option is correct and why?
The correct answer is: microscopic.
D
What is one major cause of skin cancer?
[ "visible light", "infrared light", "sunscreen", "ultraviolet light" ]
ultraviolet light
Answer the following multiple-choice question. Question: What is one major cause of skin cancer? Options: A. visible light B. infrared light C. sunscreen D. ultraviolet light Which option is correct and why?
The correct answer is: ultraviolet light.
D
Fractures and faults are terms you hear when talking about?
[ "earthquakes", "magnets", "storms", "volcanoes" ]
earthquakes
Answer the following multiple-choice question. Question: Fractures and faults are terms you hear when talking about? Options: A. earthquakes B. magnets C. storms D. volcanoes Which option is correct and why?
The correct answer is: earthquakes.
A
What still causes fatal lung disease in nonsmokers?
[ "tobacco smoke", "nicotine", "alcohol", "chewing tobacco" ]
tobacco smoke
Answer the following multiple-choice question. Question: What still causes fatal lung disease in nonsmokers? Options: A. tobacco smoke B. nicotine C. alcohol D. chewing tobacco Which option is correct and why?
The correct answer is: tobacco smoke.
A
Where does most water evaporate from?
[ "seas", "lakes", "oceans", "rivers" ]
oceans
Answer the following multiple-choice question. Question: Where does most water evaporate from? Options: A. seas B. lakes C. oceans D. rivers Which option is correct and why?
The correct answer is: oceans.
C
What do dogs use to mark their territory?
[ "water", "Chemicals", "layers of fat", "food", "Animal fur", "heat energy", "Scratches", "heat produced" ]
Chemicals
Answer the following multiple-choice question. Question: What do dogs use to mark their territory? Options: A. water B. Chemicals C. layers of fat D. food E. Animal fur F. heat energy G. Scratches H. heat produced Which option is correct and why?
The correct answer is: Chemicals.
B
Smog is a visible form of what?
[ "condensation", "water pollution", "air pollution", "oxidation" ]
air pollution
Answer the following multiple-choice question. Question: Smog is a visible form of what? Options: A. condensation B. water pollution C. air pollution D. oxidation Which option is correct and why?
The correct answer is: air pollution.
C
What does an animal like a mollusk lack that many other animals have?
[ "sensory neurons", "Energy.", "Bodily water", "kinetic energy", "alveoli", "the skin", "an organism's body", "spinal column" ]
spinal column
Answer the following multiple-choice question. Question: What does an animal like a mollusk lack that many other animals have? Options: A. sensory neurons B. Energy. C. Bodily water D. kinetic energy E. alveoli F. the skin G. an organism's body H. spinal column Which option is correct and why?
The correct answer is: spinal column.
A
A hard wind blowing at the back of a bike that is being peddled forward will
[ "make it stop", "speed it up", "slow it down", "blow it up" ]
speed it up
Answer the following multiple-choice question. Question: A hard wind blowing at the back of a bike that is being peddled forward will Options: A. make it stop B. speed it up C. slow it down D. blow it up Which option is correct and why?
The correct answer is: speed it up.
B
What are the affects of burning fuel on human health?
[ "emissions", "They aid lung health.", "direct damage to the lungs", "They are a hazard.", "The affects are mildly healthy", "The fuel burns clean.", "Greenhouse gases", "Global warming" ]
They are a hazard.
Answer the following multiple-choice question. Question: What are the affects of burning fuel on human health? Options: A. emissions B. They aid lung health. C. direct damage to the lungs D. They are a hazard. E. The affects are mildly healthy F. The fuel burns clean. G. Greenhouse gases H. Global warming Which option is correct and why?
The correct answer is: They are a hazard..
D
What is destroying the layer of good ozone?
[ "air pollution", "water pollution", "greenhouse gas", "climate change" ]
air pollution
Answer the following multiple-choice question. Question: What is destroying the layer of good ozone? Options: A. air pollution B. water pollution C. greenhouse gas D. climate change Which option is correct and why?
The correct answer is: air pollution.
A
Plant reproduction is often assisted by what insect?
[ "wasps", "crickets", "ants", "salamanders", "honeybees", "animals", "seeds", "vegetation" ]
honeybees
Answer the following multiple-choice question. Question: Plant reproduction is often assisted by what insect? Options: A. wasps B. crickets C. ants D. salamanders E. honeybees F. animals G. seeds H. vegetation Which option is correct and why?
The correct answer is: honeybees.
E
What color is the brittle metalloid tallurium?
[ "brownish black", "purplish blue", "silvery white", "yellowish green" ]
silvery white
Answer the following multiple-choice question. Question: What color is the brittle metalloid tallurium? Options: A. brownish black B. purplish blue C. silvery white D. yellowish green Which option is correct and why?
The correct answer is: silvery white.
C
If a person recycles a wooden stool, they could buy that same material again as a
[ "plastic cup", "metal rod", "gold trophy", "yellow pencil" ]
yellow pencil
Answer the following multiple-choice question. Question: If a person recycles a wooden stool, they could buy that same material again as a Options: A. plastic cup B. metal rod C. gold trophy D. yellow pencil Which option is correct and why?
The correct answer is: yellow pencil.
D
Which is an example of a chemical reaction?
[ "Deoxyribonucleicacid", "Scrambling eggs", "electricity", "Pollution", "Allergies", "deoxyribonucleic acid", "hydrogen and oxygen", "Pesticides" ]
Scrambling eggs
Answer the following multiple-choice question. Question: Which is an example of a chemical reaction? Options: A. Deoxyribonucleicacid B. Scrambling eggs C. electricity D. Pollution E. Allergies F. deoxyribonucleic acid G. hydrogen and oxygen H. Pesticides Which option is correct and why?
The correct answer is: Scrambling eggs.
B
How does air always flow?
[ "left to right", "high to low", "low to high", "in to out" ]
high to low
Answer the following multiple-choice question. Question: How does air always flow? Options: A. left to right B. high to low C. low to high D. in to out Which option is correct and why?
The correct answer is: high to low.
B
What is something that has specialized reproductive organs?
[ "animals", "insects", "Conifers", "burrs", "potatoes", "rabbit", "sharks", "ducks" ]
animals
Answer the following multiple-choice question. Question: What is something that has specialized reproductive organs? Options: A. animals B. insects C. Conifers D. burrs E. potatoes F. rabbit G. sharks H. ducks Which option is correct and why?
The correct answer is: animals.
A
Scientific notation expresses a number as a what, times a power of 10?
[ "function", "coefficient", "expression", "fraction" ]
coefficient
Answer the following multiple-choice question. Question: Scientific notation expresses a number as a what, times a power of 10? Options: A. function B. coefficient C. expression D. fraction Which option is correct and why?
The correct answer is: coefficient.
B
In the small intestine, chyme mixes with bile, which emulsifies what substances?
[ "sugars", "fats", "acids", "proteins" ]
fats
Answer the following multiple-choice question. Question: In the small intestine, chyme mixes with bile, which emulsifies what substances? Options: A. sugars B. fats C. acids D. proteins Which option is correct and why?
The correct answer is: fats.
B
crossing two living things with what will cause their offspring to have it?
[ "genetic diversity", "density", "animals with backbones", "volume", "haploid plants", "gravity", "hydrogen and oxygen", "white eye color" ]
white eye color
Answer the following multiple-choice question. Question: crossing two living things with what will cause their offspring to have it? Options: A. genetic diversity B. density C. animals with backbones D. volume E. haploid plants F. gravity G. hydrogen and oxygen H. white eye color Which option is correct and why?
The correct answer is: white eye color.
A
If plants are going to grow, their seeds need to
[ "travel elsewhere", "be eaten", "pass a test", "be washed" ]
travel elsewhere
Answer the following multiple-choice question. Question: If plants are going to grow, their seeds need to Options: A. travel elsewhere B. be eaten C. pass a test D. be washed Which option is correct and why?
The correct answer is: travel elsewhere.
A
What is the quantity of force multiplied by the time it is applied called?
[ "impulse", "density", "gravity", "velocity" ]
impulse
Answer the following multiple-choice question. Question: What is the quantity of force multiplied by the time it is applied called? Options: A. impulse B. density C. gravity D. velocity Which option is correct and why?
The correct answer is: impulse.
A
What is the fruiting body that occurs after two hyphae mate and form a mycelium with sporangia?
[ "yeast", "mushroom", "fungus", "mold" ]
mushroom
Answer the following multiple-choice question. Question: What is the fruiting body that occurs after two hyphae mate and form a mycelium with sporangia? Options: A. yeast B. mushroom C. fungus D. mold Which option is correct and why?
The correct answer is: mushroom.
B
Pressure and vibration are examples of what type of stimuli?
[ "physical", "thermal", "atmospheric", "chemical" ]
physical
Answer the following multiple-choice question. Question: Pressure and vibration are examples of what type of stimuli? Options: A. physical B. thermal C. atmospheric D. chemical Which option is correct and why?
The correct answer is: physical.
A
What do ferns use in place of seeds to reproduce?
[ "toxins", "glands", "spores", "atoms" ]
spores
Answer the following multiple-choice question. Question: What do ferns use in place of seeds to reproduce? Options: A. toxins B. glands C. spores D. atoms Which option is correct and why?
The correct answer is: spores.
C
What is the first classification of igneous rocks?
[ "size", "weight", "color", "composition" ]
composition
Answer the following multiple-choice question. Question: What is the first classification of igneous rocks? Options: A. size B. weight C. color D. composition Which option is correct and why?
The correct answer is: composition.
D
An example of an electromagnet is
[ "running", "recorders", "grass", "rock climbing" ]
recorders
Answer the following multiple-choice question. Question: An example of an electromagnet is Options: A. running B. recorders C. grass D. rock climbing Which option is correct and why?
The correct answer is: recorders.
B
Water molds mostly live in water or moist?
[ "biomes", "cells", "plants", "soil" ]
soil
Answer the following multiple-choice question. Question: Water molds mostly live in water or moist? Options: A. biomes B. cells C. plants D. soil Which option is correct and why?
The correct answer is: soil.
D
Winter snows follow Autumn's falling leaves by
[ "three months", "three days", "three years", "12 months" ]
three months
Answer the following multiple-choice question. Question: Winter snows follow Autumn's falling leaves by Options: A. three months B. three days C. three years D. 12 months Which option is correct and why?
The correct answer is: three months.
A
An example of creating an alternative fuel is turning what material into fuel?
[ "sand", "mineral", "vegetation", "rocks" ]
vegetation
Answer the following multiple-choice question. Question: An example of creating an alternative fuel is turning what material into fuel? Options: A. sand B. mineral C. vegetation D. rocks Which option is correct and why?
The correct answer is: vegetation.
C
Heat causes you to sweat, so at which time of day will you sweat most?
[ "high noon", "night time", "early morning", "during a snowstorm" ]
high noon
Answer the following multiple-choice question. Question: Heat causes you to sweat, so at which time of day will you sweat most? Options: A. high noon B. night time C. early morning D. during a snowstorm Which option is correct and why?
The correct answer is: high noon.
A
Plants expel a gas that
[ "is poisonous to humans", "is used to make balloons rise into the air", "humans exhale as well", "our circulatory system spreads to our body from our lungs" ]
our circulatory system spreads to our body from our lungs
Answer the following multiple-choice question. Question: Plants expel a gas that Options: A. is poisonous to humans B. is used to make balloons rise into the air C. humans exhale as well D. our circulatory system spreads to our body from our lungs Which option is correct and why?
The correct answer is: our circulatory system spreads to our body from our lungs.
D
mature sponges produce what?
[ "eggs and sperm", "live young", "just sperm", "Organic compounds", "Chemical energy", "just eggs", "heat energy", "gastropod shells" ]
eggs and sperm
Answer the following multiple-choice question. Question: mature sponges produce what? Options: A. eggs and sperm B. live young C. just sperm D. Organic compounds E. Chemical energy F. just eggs G. heat energy H. gastropod shells Which option is correct and why?
The correct answer is: eggs and sperm.
A
What are the two most common vision problems?
[ "glaucoma and nearsightedness", "colorblindness and farsightedness", "colorblindness and nearsightedness", "nearsightedness and farsightedness" ]
nearsightedness and farsightedness
Answer the following multiple-choice question. Question: What are the two most common vision problems? Options: A. glaucoma and nearsightedness B. colorblindness and farsightedness C. colorblindness and nearsightedness D. nearsightedness and farsightedness Which option is correct and why?
The correct answer is: nearsightedness and farsightedness.
D
which of these students will see the teacher larger?
[ "a boy sitting in front", "a girl in the back", "a boy outside the class", "a girl in the middle" ]
a boy sitting in front
Answer the following multiple-choice question. Question: which of these students will see the teacher larger? Options: A. a boy sitting in front B. a girl in the back C. a boy outside the class D. a girl in the middle Which option is correct and why?
The correct answer is: a boy sitting in front.
A
Major climate types are based on what two things?
[ "environment & precipitation", "topography & temperature", "temperature & precipitation", "oxygen & precipitation" ]
temperature & precipitation
Answer the following multiple-choice question. Question: Major climate types are based on what two things? Options: A. environment & precipitation B. topography & temperature C. temperature & precipitation D. oxygen & precipitation Which option is correct and why?
The correct answer is: temperature & precipitation.
C
A common problem involving waste in the excretory system is
[ "run for it", "running on empty", "running a fever", "having the runs" ]
having the runs
Answer the following multiple-choice question. Question: A common problem involving waste in the excretory system is Options: A. run for it B. running on empty C. running a fever D. having the runs Which option is correct and why?
The correct answer is: having the runs.
D
A man made lake is known as what?
[ "resevoirs", "Lake", "Pond", "Lagoon" ]
resevoirs
Answer the following multiple-choice question. Question: A man made lake is known as what? Options: A. resevoirs B. Lake C. Pond D. Lagoon Which option is correct and why?
The correct answer is: resevoirs.
A
when is timing critical?
[ "for gravity", "Warm air moving into cold air", "earth's orbit", "when sperm and egg fuse", "flow of electrons", "earth's rotation", "Earth revolving around the sun", "movement of tectonic plates" ]
when sperm and egg fuse
Answer the following multiple-choice question. Question: when is timing critical? Options: A. for gravity B. Warm air moving into cold air C. earth's orbit D. when sperm and egg fuse E. flow of electrons F. earth's rotation G. Earth revolving around the sun H. movement of tectonic plates Which option is correct and why?
The correct answer is: when sperm and egg fuse.
D
What would an insect run from?
[ "lizard", "insect", "cloud", "wind" ]
lizard
Answer the following multiple-choice question. Question: What would an insect run from? Options: A. lizard B. insect C. cloud D. wind Which option is correct and why?
The correct answer is: lizard.
A
Use of oil-consuming bacteria to clean up an oil spill is an example of what?
[ "bioremediation", "generation", "coagulation", "biodegradation" ]
bioremediation
Answer the following multiple-choice question. Question: Use of oil-consuming bacteria to clean up an oil spill is an example of what? Options: A. bioremediation B. generation C. coagulation D. biodegradation Which option is correct and why?
The correct answer is: bioremediation.
A
Using cell phones while driving can increase
[ "depress neuronal excitability", "nitrous oxide levels", "a lot of human deaths", "exposure to cold", "the chance of an accident", "gas mileage", "speed limit", "death and devastation" ]
the chance of an accident
Answer the following multiple-choice question. Question: Using cell phones while driving can increase Options: A. depress neuronal excitability B. nitrous oxide levels C. a lot of human deaths D. exposure to cold E. the chance of an accident F. gas mileage G. speed limit H. death and devastation Which option is correct and why?
The correct answer is: the chance of an accident.
E
How do living things have children?
[ "death", "people", "humans", "babies", "it needs them", "reproduction", "mitosis", "production" ]
reproduction
Answer the following multiple-choice question. Question: How do living things have children? Options: A. death B. people C. humans D. babies E. it needs them F. reproduction G. mitosis H. production Which option is correct and why?
The correct answer is: reproduction.
A
What happens when turgid cells in a nonwoody tissue push against each other?
[ "the tissue dies", "the tissue stiffens", "the tissues merge", "the tissue melts" ]
the tissue stiffens
Answer the following multiple-choice question. Question: What happens when turgid cells in a nonwoody tissue push against each other? Options: A. the tissue dies B. the tissue stiffens C. the tissues merge D. the tissue melts Which option is correct and why?
The correct answer is: the tissue stiffens.
B
Vertebrates have evolved more complex digestive systems, with some species having multi-chambered types of what organ?
[ "respiratory", "heart", "stomach", "skin" ]
stomach
Answer the following multiple-choice question. Question: Vertebrates have evolved more complex digestive systems, with some species having multi-chambered types of what organ? Options: A. respiratory B. heart C. stomach D. skin Which option is correct and why?
The correct answer is: stomach.
C
Where would an animal store food for later?
[ "river", "Winter", "trees", "can", "skull", "nest", "leaves", "box" ]
nest
Answer the following multiple-choice question. Question: Where would an animal store food for later? Options: A. river B. Winter C. trees D. can E. skull F. nest G. leaves H. box Which option is correct and why?
The correct answer is: nest.
A
A large elephant is put on a device that can measure how much force is being applied based on its mass amount. That device is:
[ "atomic mass", "a weighter", "kilograms", "a scale" ]
a scale
Answer the following multiple-choice question. Question: A large elephant is put on a device that can measure how much force is being applied based on its mass amount. That device is: Options: A. atomic mass B. a weighter C. kilograms D. a scale Which option is correct and why?
The correct answer is: a scale.
D
What is one of the most common biochemical compounds on earth and is found in all plants?
[ "sulfur", "hydrogen", "cellulose", "carbon dioxide" ]
cellulose
Answer the following multiple-choice question. Question: What is one of the most common biochemical compounds on earth and is found in all plants? Options: A. sulfur B. hydrogen C. cellulose D. carbon dioxide Which option is correct and why?
The correct answer is: cellulose.
C
Some monkey babies may be
[ "turned into canned meat", "taken to a hospital", "run out of the pact", "taken care with two parents" ]
taken care with two parents
Answer the following multiple-choice question. Question: Some monkey babies may be Options: A. turned into canned meat B. taken to a hospital C. run out of the pact D. taken care with two parents Which option is correct and why?
The correct answer is: taken care with two parents.
D
The mass of ground sliding down an embankment can be propagated by what?
[ "a storm", "forest fires", "global warming", "trees growing" ]
a storm
Answer the following multiple-choice question. Question: The mass of ground sliding down an embankment can be propagated by what? Options: A. a storm B. forest fires C. global warming D. trees growing Which option is correct and why?
The correct answer is: a storm.
A
What can be used to measure the volume of water?
[ "Spring Loaded Cylinder", "Tape Measure", "watershred", "Earth orbiting the Sun", "an electron lens", "a graduated cylinder", "an electron microscope", "Ruler" ]
a graduated cylinder
Answer the following multiple-choice question. Question: What can be used to measure the volume of water? Options: A. Spring Loaded Cylinder B. Tape Measure C. watershred D. Earth orbiting the Sun E. an electron lens F. a graduated cylinder G. an electron microscope H. Ruler Which option is correct and why?
The correct answer is: a graduated cylinder.
A
What is the exchange of plasmids by prokaryotes called?
[ "artificial transfer", "biochemical transfer", "transcription", "genetic transfer" ]
genetic transfer
Answer the following multiple-choice question. Question: What is the exchange of plasmids by prokaryotes called? Options: A. artificial transfer B. biochemical transfer C. transcription D. genetic transfer Which option is correct and why?
The correct answer is: genetic transfer.
D
Remember electrons are negatively charged, so ions with a positive charge have lost what?
[ "electron", "atom", "proton", "neutron" ]
electron
Answer the following multiple-choice question. Question: Remember electrons are negatively charged, so ions with a positive charge have lost what? Options: A. electron B. atom C. proton D. neutron Which option is correct and why?
The correct answer is: electron.
A
What can cause lakes to form?
[ "flooding", "loose soil", "rainfall", "break off", "heat", "erosion", "Beavers", "spring" ]
Beavers
Answer the following multiple-choice question. Question: What can cause lakes to form? Options: A. flooding B. loose soil C. rainfall D. break off E. heat F. erosion G. Beavers H. spring Which option is correct and why?
The correct answer is: Beavers.
A
What term is used to describe the energy of matter in motion?
[ "frictional energy", "emotional energy", "kinetic energy", "gravitational energy" ]
kinetic energy
Answer the following multiple-choice question. Question: What term is used to describe the energy of matter in motion? Options: A. frictional energy B. emotional energy C. kinetic energy D. gravitational energy Which option is correct and why?
The correct answer is: kinetic energy.
C
What is the term used to measure the intensity of sound waves?
[ "decibel", "phon", "amplitude", "hertz" ]
decibel
Answer the following multiple-choice question. Question: What is the term used to measure the intensity of sound waves? Options: A. decibel B. phon C. amplitude D. hertz Which option is correct and why?
The correct answer is: decibel.
A
Diseases of this system include epilepsy, strokes, and alzheimer’s disease
[ "circulatory system", "endocrine system", "infectious system", "nervous system" ]
nervous system
Answer the following multiple-choice question. Question: Diseases of this system include epilepsy, strokes, and alzheimer’s disease Options: A. circulatory system B. endocrine system C. infectious system D. nervous system Which option is correct and why?
The correct answer is: nervous system.
D
What are the most energetic of all electromagnetic waves, which can be used to treat cancer?
[ "infrared", "X-ray", "gamma rays", "ultraviolet" ]
gamma rays
Answer the following multiple-choice question. Question: What are the most energetic of all electromagnetic waves, which can be used to treat cancer? Options: A. infrared B. X-ray C. gamma rays D. ultraviolet Which option is correct and why?
The correct answer is: gamma rays.
C
Each planet has what?
[ "different cycles of day and night", "genetic diversity", "identical atmospheres", "life", "structure and function", "water", "global ecosystems", "important habitats" ]
different cycles of day and night
Answer the following multiple-choice question. Question: Each planet has what? Options: A. different cycles of day and night B. genetic diversity C. identical atmospheres D. life E. structure and function F. water G. global ecosystems H. important habitats Which option is correct and why?
The correct answer is: different cycles of day and night.
A
An iris may have trouble thriving in an arid location, or even in a frozen location, because it needs
[ "to be dried and preserved", "a certain climate to boom", "a bucket of ice water", "to be buried in snow" ]
a certain climate to boom
Answer the following multiple-choice question. Question: An iris may have trouble thriving in an arid location, or even in a frozen location, because it needs Options: A. to be dried and preserved B. a certain climate to boom C. a bucket of ice water D. to be buried in snow Which option is correct and why?
The correct answer is: a certain climate to boom.
B
Which would most rely on a coal-fire power station?
[ "a nuclear sub", "the space shuttle", "a locomotive", "a solar panel" ]
a locomotive
Answer the following multiple-choice question. Question: Which would most rely on a coal-fire power station? Options: A. a nuclear sub B. the space shuttle C. a locomotive D. a solar panel Which option is correct and why?
The correct answer is: a locomotive.
C
Chemical weathering causes iron in rock to combine with what?
[ "uranium", "oxygen", "cartilage", "nothing", "an object", "vacuum", "energy", "heat" ]
oxygen
Answer the following multiple-choice question. Question: Chemical weathering causes iron in rock to combine with what? Options: A. uranium B. oxygen C. cartilage D. nothing E. an object F. vacuum G. energy H. heat Which option is correct and why?
The correct answer is: oxygen.
B
What property is associated with the number of reactant molecules involved in an elementary step?
[ "kilocalorie", "pollenation", "molecularity", "Molecules" ]
molecularity
Answer the following multiple-choice question. Question: What property is associated with the number of reactant molecules involved in an elementary step? Options: A. kilocalorie B. pollenation C. molecularity D. Molecules Which option is correct and why?
The correct answer is: molecularity.
C
What structure passes oxygen and nutrients to a growing fetus in mammals?
[ "vas deferens", "placenta", "uterus", "spinal cord" ]
placenta
Answer the following multiple-choice question. Question: What structure passes oxygen and nutrients to a growing fetus in mammals? Options: A. vas deferens B. placenta C. uterus D. spinal cord Which option is correct and why?
The correct answer is: placenta.
B
What man-made devices in space are used to observe the earth's surface?
[ "crystals", "satellites", "telescopes", "sensors" ]
satellites
Answer the following multiple-choice question. Question: What man-made devices in space are used to observe the earth's surface? Options: A. crystals B. satellites C. telescopes D. sensors Which option is correct and why?
The correct answer is: satellites.
B
What system plays a critical role in the regulation of vascular homeostasis?
[ "circulatory system", "renal system", "nervous system", "endocrine system" ]
nervous system
Answer the following multiple-choice question. Question: What system plays a critical role in the regulation of vascular homeostasis? Options: A. circulatory system B. renal system C. nervous system D. endocrine system Which option is correct and why?
The correct answer is: nervous system.
C
the muscle that never sleeps takes oxygen rich what to the body
[ "tar", "plasma", "antibodies", "acid" ]
plasma
Answer the following multiple-choice question. Question: the muscle that never sleeps takes oxygen rich what to the body Options: A. tar B. plasma C. antibodies D. acid Which option is correct and why?
The correct answer is: plasma.
B
Chemical formulas for ionic compounds are called what?
[ "velocity formulas", "ionic formulas", "electronic formulas", "magnetic formulas" ]
ionic formulas
Answer the following multiple-choice question. Question: Chemical formulas for ionic compounds are called what? Options: A. velocity formulas B. ionic formulas C. electronic formulas D. magnetic formulas Which option is correct and why?
The correct answer is: ionic formulas.
B
When the sun is set it is called what?
[ "sleep time", "noon", "morning", "dawn" ]
sleep time
Answer the following multiple-choice question. Question: When the sun is set it is called what? Options: A. sleep time B. noon C. morning D. dawn Which option is correct and why?
The correct answer is: sleep time.
A
What provides protection for soft tissues and internal organs?
[ "bacteria", "Veins and arteries.", "Fully cooking the oysters", "layers of fat", "calcium and phosphorous", "water", "peachleaf willow", "the trachea" ]
calcium and phosphorous
Answer the following multiple-choice question. Question: What provides protection for soft tissues and internal organs? Options: A. bacteria B. Veins and arteries. C. Fully cooking the oysters D. layers of fat E. calcium and phosphorous F. water G. peachleaf willow H. the trachea Which option is correct and why?
The correct answer is: calcium and phosphorous.
E
antibodies are produced by activated B cells that do what?
[ "Animal survival", "killing insects", "interact", "secrete them", "migrate", "reproduce", "competition", "Allergies" ]
secrete them
Answer the following multiple-choice question. Question: antibodies are produced by activated B cells that do what? Options: A. Animal survival B. killing insects C. interact D. secrete them E. migrate F. reproduce G. competition H. Allergies Which option is correct and why?
The correct answer is: secrete them.
D
Mantle convection causes what?
[ "demolitions", "global warming", "earthquakes", "forest fires", "erosion", "tsunamis", "heat energy", "heating liquids" ]
earthquakes
Answer the following multiple-choice question. Question: Mantle convection causes what? Options: A. demolitions B. global warming C. earthquakes D. forest fires E. erosion F. tsunamis G. heat energy H. heating liquids Which option is correct and why?
The correct answer is: earthquakes.
C
The various sensory organs are part of what organ system?
[ "digestive", "respiratory", "nervous", "lymphatic" ]
nervous
Answer the following multiple-choice question. Question: The various sensory organs are part of what organ system? Options: A. digestive B. respiratory C. nervous D. lymphatic Which option is correct and why?
The correct answer is: nervous.
C
What reproduces sexually?
[ "ferns", "toads", "legumes", "clams", "fission", "rocks", "the Sun", "bamboo" ]
clams
Answer the following multiple-choice question. Question: What reproduces sexually? Options: A. ferns B. toads C. legumes D. clams E. fission F. rocks G. the Sun H. bamboo Which option is correct and why?
The correct answer is: clams.
D
When the scientist finally completed his new invention he thanked his
[ "powers of observation", "lucky stars", "mother", "grandmother" ]
powers of observation
Answer the following multiple-choice question. Question: When the scientist finally completed his new invention he thanked his Options: A. powers of observation B. lucky stars C. mother D. grandmother Which option is correct and why?
The correct answer is: powers of observation.
A
A fox that has white fur
[ "has been bleached or washed", "is genetically altered and abused", "is a very clean animal", "got it from genetics" ]
got it from genetics
Answer the following multiple-choice question. Question: A fox that has white fur Options: A. has been bleached or washed B. is genetically altered and abused C. is a very clean animal D. got it from genetics Which option is correct and why?
The correct answer is: got it from genetics.
D
What are usually considered to be nonliving?
[ "direct damage to the lungs", "bacteria", "harmful substances", "major threat to health", "humans", "the smallest agents of disease", "starfish", "Contaminated wounds" ]
the smallest agents of disease
Answer the following multiple-choice question. Question: What are usually considered to be nonliving? Options: A. direct damage to the lungs B. bacteria C. harmful substances D. major threat to health E. humans F. the smallest agents of disease G. starfish H. Contaminated wounds Which option is correct and why?
The correct answer is: the smallest agents of disease.
A
Because it can be controlled intentionally, skeletal muscle is also called what type of muscle?
[ "necessary", "voluntary", "involuntary", "automatic" ]
voluntary
Answer the following multiple-choice question. Question: Because it can be controlled intentionally, skeletal muscle is also called what type of muscle? Options: A. necessary B. voluntary C. involuntary D. automatic Which option is correct and why?
The correct answer is: voluntary.
B
Which disease occurs when there is not enough hemoglobin in the blood?
[ "Respiratory", "Diabetes", "anemia", "Pulmonary" ]
anemia
Answer the following multiple-choice question. Question: Which disease occurs when there is not enough hemoglobin in the blood? Options: A. Respiratory B. Diabetes C. anemia D. Pulmonary Which option is correct and why?
The correct answer is: anemia.
C
What keeps penguins warm?
[ "feathers", "muscles", "Blankets", "Animal fur", "staying warm", "energy", "blood", "fur and fat" ]
feathers
Answer the following multiple-choice question. Question: What keeps penguins warm? Options: A. feathers B. muscles C. Blankets D. Animal fur E. staying warm F. energy G. blood H. fur and fat Which option is correct and why?
The correct answer is: feathers.
A
The dead, dry stratum corneum is the most superficial layer of what and is the layer exposed to the outside environment?
[ "dermis", "epidermis", "intestinal", "lungs" ]
epidermis
Answer the following multiple-choice question. Question: The dead, dry stratum corneum is the most superficial layer of what and is the layer exposed to the outside environment? Options: A. dermis B. epidermis C. intestinal D. lungs Which option is correct and why?
The correct answer is: epidermis.
B
An inexhaustible resource could be
[ "sand clay", "fossil fuels", "cars", "metals" ]
sand clay
Answer the following multiple-choice question. Question: An inexhaustible resource could be Options: A. sand clay B. fossil fuels C. cars D. metals Which option is correct and why?
The correct answer is: sand clay.
A
In what season are temperature inversions more common?
[ "autumn", "winter", "summer", "spring" ]
winter
Answer the following multiple-choice question. Question: In what season are temperature inversions more common? Options: A. autumn B. winter C. summer D. spring Which option is correct and why?
The correct answer is: winter.
B
What term refers to larger evolutionary changes that result in new species?
[ "macroevolution", "Potential evolution", "Microevolution", "substantial evolution" ]
macroevolution
Answer the following multiple-choice question. Question: What term refers to larger evolutionary changes that result in new species? Options: A. macroevolution B. Potential evolution C. Microevolution D. substantial evolution Which option is correct and why?
The correct answer is: macroevolution.
A
What is the name of the cell that results when a sperm nucleus fuses with a egg nucleus?
[ "a filament", "t cell", "a zygote", "a cytoplasm" ]
a zygote
Answer the following multiple-choice question. Question: What is the name of the cell that results when a sperm nucleus fuses with a egg nucleus? Options: A. a filament B. t cell C. a zygote D. a cytoplasm Which option is correct and why?
The correct answer is: a zygote.
C
If you find an animal that isnt breathing, it is safe to assume that thing
[ "watched TV", "cried", "perished", "laughed" ]
perished
Answer the following multiple-choice question. Question: If you find an animal that isnt breathing, it is safe to assume that thing Options: A. watched TV B. cried C. perished D. laughed Which option is correct and why?
The correct answer is: perished.
C
A person with a pet amphibian will likely feed it
[ "deer", "wax", "steak", "meal worms" ]
meal worms
Answer the following multiple-choice question. Question: A person with a pet amphibian will likely feed it Options: A. deer B. wax C. steak D. meal worms Which option is correct and why?
The correct answer is: meal worms.
D
The movement of bone away from the midline of the body is called what?
[ "continuation", "spring", "flexion", "extension" ]
extension
Answer the following multiple-choice question. Question: The movement of bone away from the midline of the body is called what? Options: A. continuation B. spring C. flexion D. extension Which option is correct and why?
The correct answer is: extension.
D
Louis Pasteur found a way to
[ "make food tasty", "make food healthier", "make food wet", "make food green" ]
make food healthier
Answer the following multiple-choice question. Question: Louis Pasteur found a way to Options: A. make food tasty B. make food healthier C. make food wet D. make food green Which option is correct and why?
The correct answer is: make food healthier.
B
What might happen to animals disturbed by humans?
[ "direct damage to the lungs", "Abnormal cell growth", "enormous damage to homes", "They may provide humans with food.", "massive damage", "They may not survive.", "They will always survive.", "they may befriend the humans." ]
They may not survive.
Answer the following multiple-choice question. Question: What might happen to animals disturbed by humans? Options: A. direct damage to the lungs B. Abnormal cell growth C. enormous damage to homes D. They may provide humans with food. E. massive damage F. They may not survive. G. They will always survive. H. they may befriend the humans. Which option is correct and why?
The correct answer is: They may not survive..
A
A flower's job is to produce what?
[ "food", "seeds", "a stem", "roots", "petals", "energy", "pollen", "Growth" ]
seeds
Answer the following multiple-choice question. Question: A flower's job is to produce what? Options: A. food B. seeds C. a stem D. roots E. petals F. energy G. pollen H. Growth Which option is correct and why?
The correct answer is: seeds.
B
Aflatoxins are toxic, carcinogenic compounds released by fungi of this?
[ "genus aspergillus", "arthropod class", "protist group", "genus sporozoa" ]
genus aspergillus
Answer the following multiple-choice question. Question: Aflatoxins are toxic, carcinogenic compounds released by fungi of this? Options: A. genus aspergillus B. arthropod class C. protist group D. genus sporozoa Which option is correct and why?
The correct answer is: genus aspergillus.
A