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Endothermic and exothermic reactions differ in whether the products or reactants store more of what?
[ "chemical energy", "Kinetic Energy", "Thermal energy", "Motion energy" ]
chemical energy
Answer the following multiple-choice question. Question: Endothermic and exothermic reactions differ in whether the products or reactants store more of what? Options: A. chemical energy B. Kinetic Energy C. Thermal energy D. Motion energy Which option is correct and why?
The correct answer is: chemical energy.
A gull will build a nest because
[ "it saw other gulls doing the same", "of something in its genes", "it wants to tidy up the area", "it's mother taught it to do that" ]
of something in its genes
Answer the following multiple-choice question. Question: A gull will build a nest because Options: A. it saw other gulls doing the same B. of something in its genes C. it wants to tidy up the area D. it's mother taught it to do that Which option is correct and why?
The correct answer is: of something in its genes.
Where do cells come from?
[ "sexual reproduction", "mutations", "nuclear fission", "preexisting cells" ]
preexisting cells
Answer the following multiple-choice question. Question: Where do cells come from? Options: A. sexual reproduction B. mutations C. nuclear fission D. preexisting cells Which option is correct and why?
The correct answer is: preexisting cells.
It is easiest to get a clear photo of the moon by
[ "using a large magnifying glass", "using a telephoto lens", "using a telescopic lens", "looking through a microscope" ]
using a telescopic lens
Answer the following multiple-choice question. Question: It is easiest to get a clear photo of the moon by Options: A. using a large magnifying glass B. using a telephoto lens C. using a telescopic lens D. looking through a microscope Which option is correct and why?
The correct answer is: using a telescopic lens.
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How do planets usually rotate to their orbital planes?
[ "chaotic", "nearly perpendicular", "randomly", "exactly perpendicular" ]
nearly perpendicular
Answer the following multiple-choice question. Question: How do planets usually rotate to their orbital planes? Options: A. chaotic B. nearly perpendicular C. randomly D. exactly perpendicular Which option is correct and why?
The correct answer is: nearly perpendicular.
What is an animal that picks up pollen on its body and carries it to another flower called?
[ "rodent", "pollinator", "fungi", "lizard" ]
pollinator
Answer the following multiple-choice question. Question: What is an animal that picks up pollen on its body and carries it to another flower called? Options: A. rodent B. pollinator C. fungi D. lizard Which option is correct and why?
The correct answer is: pollinator.
What happens when sperm swim from men's to women's reproductive organs?
[ "by indirect light", "matter vibrating", "death", "competition", "fertile crescent", "fertilizer", "permineralization", "fertilization" ]
fertilization
Answer the following multiple-choice question. Question: What happens when sperm swim from men's to women's reproductive organs? Options: A. by indirect light B. matter vibrating C. death D. competition E. fertile crescent F. fertilizer G. permineralization H. fertilization Which option is correct and why?
The correct answer is: fertilization.
Phosphate groups are found within phospholipids and what else?
[ "amino acids", "carotenoids", "hydrocarbon chains", "nucleotides" ]
nucleotides
Answer the following multiple-choice question. Question: Phosphate groups are found within phospholipids and what else? Options: A. amino acids B. carotenoids C. hydrocarbon chains D. nucleotides Which option is correct and why?
The correct answer is: nucleotides.
How long ago did the ancestors of mammals evolve?
[ "10 million", "50,900 million years", "300 million years", "100 million" ]
300 million years
Answer the following multiple-choice question. Question: How long ago did the ancestors of mammals evolve? Options: A. 10 million B. 50,900 million years C. 300 million years D. 100 million Which option is correct and why?
The correct answer is: 300 million years.
What is it called when a new species arises without geographic separation?
[ "spontaneous evolution", "Allopatric speciation", "sympatric speciation", "quantum speciation" ]
sympatric speciation
Answer the following multiple-choice question. Question: What is it called when a new species arises without geographic separation? Options: A. spontaneous evolution B. Allopatric speciation C. sympatric speciation D. quantum speciation Which option is correct and why?
The correct answer is: sympatric speciation.
What is one way an object's shape can be changed?
[ "by indirect light", "reflecting light", "talking to it", "alchemy", "Through play", "permineralization", "removing material", "stasis" ]
removing material
Answer the following multiple-choice question. Question: What is one way an object's shape can be changed? Options: A. by indirect light B. reflecting light C. talking to it D. alchemy E. Through play F. permineralization G. removing material H. stasis Which option is correct and why?
The correct answer is: removing material.
What catalyst substances may also allow reactions to occur by different pathways that have lower activation energy?
[ "carbohydrates", "calories", "hormones", "enzymes" ]
enzymes
Answer the following multiple-choice question. Question: What catalyst substances may also allow reactions to occur by different pathways that have lower activation energy? Options: A. carbohydrates B. calories C. hormones D. enzymes Which option is correct and why?
The correct answer is: enzymes.
Fish have a circulatory system with a two-chambered what?
[ "lung", "brain", "stomach", "heart" ]
heart
Answer the following multiple-choice question. Question: Fish have a circulatory system with a two-chambered what? Options: A. lung B. brain C. stomach D. heart Which option is correct and why?
The correct answer is: heart.
An object that can be used for measuring mass of an object is similar to what playground item?
[ "forces", "Slide", "barrel", "Seesaw", "Merry-go-round", "rockets", "Monkey bars", "matter" ]
Seesaw
Answer the following multiple-choice question. Question: An object that can be used for measuring mass of an object is similar to what playground item? Options: A. forces B. Slide C. barrel D. Seesaw E. Merry-go-round F. rockets G. Monkey bars H. matter Which option is correct and why?
The correct answer is: Seesaw.
What causes animals to move to find shelter in another habitat?
[ "fossil fuels", "flooding", "Pesticides", "industry", "bullfrogs", "Pollution", "mines", "wind" ]
industry
Answer the following multiple-choice question. Question: What causes animals to move to find shelter in another habitat? Options: A. fossil fuels B. flooding C. Pesticides D. industry E. bullfrogs F. Pollution G. mines H. wind Which option is correct and why?
The correct answer is: industry.
Higher pressures increase the solubility of what?
[ "molecules", "gases", "fuels", "bases" ]
gases
Answer the following multiple-choice question. Question: Higher pressures increase the solubility of what? Options: A. molecules B. gases C. fuels D. bases Which option is correct and why?
The correct answer is: gases.
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What scale measures acidity?
[ "richter scale", "ph scale", "salinity scale", "frequency scale" ]
ph scale
Answer the following multiple-choice question. Question: What scale measures acidity? Options: A. richter scale B. ph scale C. salinity scale D. frequency scale Which option is correct and why?
The correct answer is: ph scale.
what has permeable skin that easily absorbs substances from the environment?
[ "cats", "a fish", "toads", "ferns", "dogs", "humans", "animals", "bats" ]
toads
Answer the following multiple-choice question. Question: what has permeable skin that easily absorbs substances from the environment? Options: A. cats B. a fish C. toads D. ferns E. dogs F. humans G. animals H. bats Which option is correct and why?
The correct answer is: toads.
Water, carbon dioxide, and what other element are important agents of chemical weathering?
[ "methane", "oxygen", "helium", "sulfur" ]
oxygen
Answer the following multiple-choice question. Question: Water, carbon dioxide, and what other element are important agents of chemical weathering? Options: A. methane B. oxygen C. helium D. sulfur Which option is correct and why?
The correct answer is: oxygen.
what requires sunlight to grow?
[ "mold", "fission", "h2o", "coral", "wheat", "Oak", "ice cubes", "mussels" ]
wheat
Answer the following multiple-choice question. Question: what requires sunlight to grow? Options: A. mold B. fission C. h2o D. coral E. wheat F. Oak G. ice cubes H. mussels Which option is correct and why?
The correct answer is: wheat.
After exiting the gym, the man's heart rate was most likely?
[ "higher", "lower", "normal", "fluctuating" ]
higher
Answer the following multiple-choice question. Question: After exiting the gym, the man's heart rate was most likely? Options: A. higher B. lower C. normal D. fluctuating Which option is correct and why?
The correct answer is: higher.
The structure of the boeing 787 has been described as essentially one giant macromolecule, where everything is fastened through cross-linked chemical bonds reinforced with this?
[ "nitrogen fiber", "carbon fiber", "non-covalent interaction", "metal-metal bonds" ]
carbon fiber
Answer the following multiple-choice question. Question: The structure of the boeing 787 has been described as essentially one giant macromolecule, where everything is fastened through cross-linked chemical bonds reinforced with this? Options: A. nitrogen fiber B. carbon fiber C. non-covalent interaction D. metal-metal bonds Which option is correct and why?
The correct answer is: carbon fiber.
Enthalpy changes are measured by using what?
[ "inversion", "calorimetry", "fluorescence", "infraction" ]
calorimetry
Answer the following multiple-choice question. Question: Enthalpy changes are measured by using what? Options: A. inversion B. calorimetry C. fluorescence D. infraction Which option is correct and why?
The correct answer is: calorimetry.
How is mass indicated?
[ "movement", "motion", "layers of fat", "forces", "set number", "energy", "a balance", "similar" ]
a balance
Answer the following multiple-choice question. Question: How is mass indicated? Options: A. movement B. motion C. layers of fat D. forces E. set number F. energy G. a balance H. similar Which option is correct and why?
The correct answer is: a balance.
antigens are found on cancer cells and the cells of transplanted what?
[ "h2o", "kidneys", "genetics", "operation", "lungs", "the skin", "epidermal", "alveoli" ]
kidneys
Answer the following multiple-choice question. Question: antigens are found on cancer cells and the cells of transplanted what? Options: A. h2o B. kidneys C. genetics D. operation E. lungs F. the skin G. epidermal H. alveoli Which option is correct and why?
The correct answer is: kidneys.
What do clams and oysters eat?
[ "Energy.", "Plankton", "Energy", "Oysters", "glucose", "Clams", "Fish", "barnacles" ]
Plankton
Answer the following multiple-choice question. Question: What do clams and oysters eat? Options: A. Energy. B. Plankton C. Energy D. Oysters E. glucose F. Clams G. Fish H. barnacles Which option is correct and why?
The correct answer is: Plankton.
Around 1200 species of what broad animal group are currently at risk of extinction due to human activity?
[ "amphibians", "mammals", "reptiles", "birds" ]
birds
Answer the following multiple-choice question. Question: Around 1200 species of what broad animal group are currently at risk of extinction due to human activity? Options: A. amphibians B. mammals C. reptiles D. birds Which option is correct and why?
The correct answer is: birds.
What is the science of classifying living things is called?
[ "taxonomy", "physiology", "entomology", "methodology" ]
taxonomy
Answer the following multiple-choice question. Question: What is the science of classifying living things is called? Options: A. taxonomy B. physiology C. entomology D. methodology Which option is correct and why?
The correct answer is: taxonomy.
The four phases of mitosis are prophase, metaphase, anaphase and what?
[ "postphase", "telophase", "trichina", "spirogyra" ]
telophase
Answer the following multiple-choice question. Question: The four phases of mitosis are prophase, metaphase, anaphase and what? Options: A. postphase B. telophase C. trichina D. spirogyra Which option is correct and why?
The correct answer is: telophase.
What do bees aid many plants in doing?
[ "Reproducing", "growth", "Obtaining nutrients", "Photosynthesizing", "survival", "staying warm", "Storing water", "support" ]
Reproducing
Answer the following multiple-choice question. Question: What do bees aid many plants in doing? Options: A. Reproducing B. growth C. Obtaining nutrients D. Photosynthesizing E. survival F. staying warm G. Storing water H. support Which option is correct and why?
The correct answer is: Reproducing.
Primary batteries are single-use batteries because they cannot be what?
[ "UP ticked.", "recharged", "refreshed", "plugged" ]
recharged
Answer the following multiple-choice question. Question: Primary batteries are single-use batteries because they cannot be what? Options: A. UP ticked. B. recharged C. refreshed D. plugged Which option is correct and why?
The correct answer is: recharged.
Motors are the most common application of magnetic force on current-carrying wires. motors have loops of wire in this?
[ "capacitors", "electrical circuit", "spark plugs", "magnetic field" ]
magnetic field
Answer the following multiple-choice question. Question: Motors are the most common application of magnetic force on current-carrying wires. motors have loops of wire in this? Options: A. capacitors B. electrical circuit C. spark plugs D. magnetic field Which option is correct and why?
The correct answer is: magnetic field.
A micro-scratch test is able to determine which rock formations deep inside the earth's sub-surface are the hardest and how resistant the formations are to being
[ "scratched, fractured or otherwise deformed", "transformed into different minerals", "melted and otherwise liquified", "scratched with ice breakers" ]
scratched, fractured or otherwise deformed
Answer the following multiple-choice question. Question: A micro-scratch test is able to determine which rock formations deep inside the earth's sub-surface are the hardest and how resistant the formations are to being Options: A. scratched, fractured or otherwise deformed B. transformed into different minerals C. melted and otherwise liquified D. scratched with ice breakers Which option is correct and why?
The correct answer is: scratched, fractured or otherwise deformed.
It is harmful to place paintings where
[ "mines", "cold", "inside", "outside", "threatened", "on the wall", "dangerous", "in a drawer" ]
outside
Answer the following multiple-choice question. Question: It is harmful to place paintings where Options: A. mines B. cold C. inside D. outside E. threatened F. on the wall G. dangerous H. in a drawer Which option is correct and why?
The correct answer is: outside.
What term is defined as the preserved remains or traces of organisms that lived during earlier ages?
[ "deposits", "waste", "bones", "fossils" ]
fossils
Answer the following multiple-choice question. Question: What term is defined as the preserved remains or traces of organisms that lived during earlier ages? Options: A. deposits B. waste C. bones D. fossils Which option is correct and why?
The correct answer is: fossils.
What causes chemical changes in the minerals of a rock?
[ "moss", "hitting it with a hammer", "steady temperature", "bad music", "copper", "iron", "sodium", "coal" ]
moss
Answer the following multiple-choice question. Question: What causes chemical changes in the minerals of a rock? Options: A. moss B. hitting it with a hammer C. steady temperature D. bad music E. copper F. iron G. sodium H. coal Which option is correct and why?
The correct answer is: moss.
Common wisdom has it that the temporal bone (temporal = “time”) is so named because this area of the head (the temple) is where hair typically first turns gray, indicating the passage of what?
[ "ships", "birth", "time", "wealth" ]
time
Answer the following multiple-choice question. Question: Common wisdom has it that the temporal bone (temporal = “time”) is so named because this area of the head (the temple) is where hair typically first turns gray, indicating the passage of what? Options: A. ships B. birth C. time D. wealth Which option is correct and why?
The correct answer is: time.
What is the term for the energy of motion, which is exhibited by the speed of an object?
[ "mechanical energy", "residual energy", "inertia", "kinetic energy" ]
kinetic energy
Answer the following multiple-choice question. Question: What is the term for the energy of motion, which is exhibited by the speed of an object? Options: A. mechanical energy B. residual energy C. inertia D. kinetic energy Which option is correct and why?
The correct answer is: kinetic energy.
meiosis is the type of cell division that produces what?
[ "Most plants", "organs", "Plant reproduction", "ova and spermatozoa", "remains of prehistoric life", "hydrogen", "mitosis", "allow growth" ]
ova and spermatozoa
Answer the following multiple-choice question. Question: meiosis is the type of cell division that produces what? Options: A. Most plants B. organs C. Plant reproduction D. ova and spermatozoa E. remains of prehistoric life F. hydrogen G. mitosis H. allow growth Which option is correct and why?
The correct answer is: ova and spermatozoa.
In humans, each set of chromosomes contains 22 of these and 1 sex chromosome?
[ "chromatids", "autosomes", "genes", "centrosomes" ]
autosomes
Answer the following multiple-choice question. Question: In humans, each set of chromosomes contains 22 of these and 1 sex chromosome? Options: A. chromatids B. autosomes C. genes D. centrosomes Which option is correct and why?
The correct answer is: autosomes.
What causes animals to move to find shelter in another habitat?
[ "smell and taste", "Greenhouse gases", "deforestation", "human interaction", "animal control", "human thoughts", "human recycling", "Pollution" ]
human interaction
Answer the following multiple-choice question. Question: What causes animals to move to find shelter in another habitat? Options: A. smell and taste B. Greenhouse gases C. deforestation D. human interaction E. animal control F. human thoughts G. human recycling H. Pollution Which option is correct and why?
The correct answer is: human interaction.
Oxygen and what are required for rust to form?
[ "carbon", "water", "air", "pressure" ]
water
Answer the following multiple-choice question. Question: Oxygen and what are required for rust to form? Options: A. carbon B. water C. air D. pressure Which option is correct and why?
The correct answer is: water.
a rubber band snapping causes the particles in the rubber band to what?
[ "It gets heated up", "electrically", "kinetic energy", "mechanical", "Energy.", "chemical changes", "Electrical energy", "create sound" ]
create sound
Answer the following multiple-choice question. Question: a rubber band snapping causes the particles in the rubber band to what? Options: A. It gets heated up B. electrically C. kinetic energy D. mechanical E. Energy. F. chemical changes G. Electrical energy H. create sound Which option is correct and why?
The correct answer is: create sound.
What does an object need to reflect towards the eye to be seen?
[ "lamp glow", "water", "light rain", "wind" ]
lamp glow
Answer the following multiple-choice question. Question: What does an object need to reflect towards the eye to be seen? Options: A. lamp glow B. water C. light rain D. wind Which option is correct and why?
The correct answer is: lamp glow.
A calf born in a warm season will do what better than a calf born in a cold season?
[ "see", "stand", "sense", "flourish" ]
flourish
Answer the following multiple-choice question. Question: A calf born in a warm season will do what better than a calf born in a cold season? Options: A. see B. stand C. sense D. flourish Which option is correct and why?
The correct answer is: flourish.
Smog is one example of what type of pollution?
[ "sound", "light", "air", "energy" ]
air
Answer the following multiple-choice question. Question: Smog is one example of what type of pollution? Options: A. sound B. light C. air D. energy Which option is correct and why?
The correct answer is: air.
What does urine leave the body through?
[ "uterus", "colon", "vagina", "urethra" ]
urethra
Answer the following multiple-choice question. Question: What does urine leave the body through? Options: A. uterus B. colon C. vagina D. urethra Which option is correct and why?
The correct answer is: urethra.
what reproduces via single-celled asexual reproductive body that are dispersed by moving water,
[ "legumes", "Ferns", "seeds", "Palm trees", "sponges", "Fungi", "Evergreens", "amoeba" ]
Fungi
Answer the following multiple-choice question. Question: what reproduces via single-celled asexual reproductive body that are dispersed by moving water, Options: A. legumes B. Ferns C. seeds D. Palm trees E. sponges F. Fungi G. Evergreens H. amoeba Which option is correct and why?
The correct answer is: Fungi.
What evolutionary strategy enables substantial activity during sleep for some animals?
[ "adaptation", "mutation", "reproduction", "hibernation" ]
adaptation
Answer the following multiple-choice question. Question: What evolutionary strategy enables substantial activity during sleep for some animals? Options: A. adaptation B. mutation C. reproduction D. hibernation Which option is correct and why?
The correct answer is: adaptation.
what in the neck is responsible for an increase in the rate of metabolism in cells
[ "Veins and arteries.", "thyroid gland", "veins", "Energy.", "spine", "temperature", "energy usage", "liver" ]
thyroid gland
Answer the following multiple-choice question. Question: what in the neck is responsible for an increase in the rate of metabolism in cells Options: A. Veins and arteries. B. thyroid gland C. veins D. Energy. E. spine F. temperature G. energy usage H. liver Which option is correct and why?
The correct answer is: thyroid gland.
What types of drugs affect the brain and influence how a person can feel, think, or act?
[ "antibiotics", "analgesics", "prescription", "psychoactive" ]
psychoactive
Answer the following multiple-choice question. Question: What types of drugs affect the brain and influence how a person can feel, think, or act? Options: A. antibiotics B. analgesics C. prescription D. psychoactive Which option is correct and why?
The correct answer is: psychoactive.
From observations as simple as blowing up a balloon, it is clear that increasing the amount of gas increases what else?
[ "the volume", "every volume", "area", "the shift" ]
the volume
Answer the following multiple-choice question. Question: From observations as simple as blowing up a balloon, it is clear that increasing the amount of gas increases what else? Options: A. the volume B. every volume C. area D. the shift Which option is correct and why?
The correct answer is: the volume.
Soil can be depleted of a thing that fertilizers can what to soil?
[ "grow", "add", "loss", "pH", "harm", "corn", "peat", "kill" ]
add
Answer the following multiple-choice question. Question: Soil can be depleted of a thing that fertilizers can what to soil? Options: A. grow B. add C. loss D. pH E. harm F. corn G. peat H. kill Which option is correct and why?
The correct answer is: add.
Molds and casts usually form in which type of rock?
[ "crystalline", "igneous", "metamorphic", "sedimentary" ]
sedimentary
Answer the following multiple-choice question. Question: Molds and casts usually form in which type of rock? Options: A. crystalline B. igneous C. metamorphic D. sedimentary Which option is correct and why?
The correct answer is: sedimentary.
What can cause food poisoning?
[ "a pathogens", "Room temperature food", "Dehydrated food", "Refrigerated food", "single-celled organisms", "harmful substances", "Canned food", "Roundworms." ]
Room temperature food
Answer the following multiple-choice question. Question: What can cause food poisoning? Options: A. a pathogens B. Room temperature food C. Dehydrated food D. Refrigerated food E. single-celled organisms F. harmful substances G. Canned food H. Roundworms. Which option is correct and why?
The correct answer is: Room temperature food.
What can cause harm to eyes?
[ "Water", "Alcohol", "Eye drops", "Saline", "mildew", "mold", "coal", "Acids" ]
Acids
Answer the following multiple-choice question. Question: What can cause harm to eyes? Options: A. Water B. Alcohol C. Eye drops D. Saline E. mildew F. mold G. coal H. Acids Which option is correct and why?
The correct answer is: Acids.
What is the term for the metabolic reaction where living systems build new molecules?
[ "connectionism", "metabolism", "symbolism", "anabolism" ]
anabolism
Answer the following multiple-choice question. Question: What is the term for the metabolic reaction where living systems build new molecules? Options: A. connectionism B. metabolism C. symbolism D. anabolism Which option is correct and why?
The correct answer is: anabolism.
If an environment experiences a long drought
[ "ponds may dry up and kill off the fish population", "plants will continue to flourish", "animals will experience a boom in reproduction", "tadpoles will mature faster into frogs" ]
ponds may dry up and kill off the fish population
Answer the following multiple-choice question. Question: If an environment experiences a long drought Options: A. ponds may dry up and kill off the fish population B. plants will continue to flourish C. animals will experience a boom in reproduction D. tadpoles will mature faster into frogs Which option is correct and why?
The correct answer is: ponds may dry up and kill off the fish population.
In which state of matter do particles take the shape of their container, but cannot expand to fill it?
[ "liquid", "chemical", "gas", "mixture" ]
liquid
Answer the following multiple-choice question. Question: In which state of matter do particles take the shape of their container, but cannot expand to fill it? Options: A. liquid B. chemical C. gas D. mixture Which option is correct and why?
The correct answer is: liquid.
What is the pair of bean-shaped organs situated just above the waist?
[ "lungs", "kidneys", "pancreas", "aorta" ]
kidneys
Answer the following multiple-choice question. Question: What is the pair of bean-shaped organs situated just above the waist? Options: A. lungs B. kidneys C. pancreas D. aorta Which option is correct and why?
The correct answer is: kidneys.
Lungs are used for breathing air by animals with what?
[ "unidirectional", "exoskeleton", "contracting", "fins", "four limbs", "gills", "kinetic energy", "eight eyes" ]
four limbs
Answer the following multiple-choice question. Question: Lungs are used for breathing air by animals with what? Options: A. unidirectional B. exoskeleton C. contracting D. fins E. four limbs F. gills G. kinetic energy H. eight eyes Which option is correct and why?
The correct answer is: four limbs.
Gravity effects water most when it is
[ "on a curved surface", "full of marine life", "flowing rapidly with waves", "in the ocean or lake" ]
on a curved surface
Answer the following multiple-choice question. Question: Gravity effects water most when it is Options: A. on a curved surface B. full of marine life C. flowing rapidly with waves D. in the ocean or lake Which option is correct and why?
The correct answer is: on a curved surface.
What resources can be used over again?
[ "finite", "fuels", "sustainable", "one use" ]
sustainable
Answer the following multiple-choice question. Question: What resources can be used over again? Options: A. finite B. fuels C. sustainable D. one use Which option is correct and why?
The correct answer is: sustainable.
The elements changed America's tallest peaks into
[ "marble blocks", "ivory castles", "towers of gold", "loose rocks" ]
loose rocks
Answer the following multiple-choice question. Question: The elements changed America's tallest peaks into Options: A. marble blocks B. ivory castles C. towers of gold D. loose rocks Which option is correct and why?
The correct answer is: loose rocks.
Where do some plants store their water?
[ "loose soil", "In their stem", "peachleaf willow", "barrel-shaped", "watershed", "near the shoreline", "dormant state", "by indirect light" ]
In their stem
Answer the following multiple-choice question. Question: Where do some plants store their water? Options: A. loose soil B. In their stem C. peachleaf willow D. barrel-shaped E. watershed F. near the shoreline G. dormant state H. by indirect light Which option is correct and why?
The correct answer is: In their stem.
Where does the lava come from that makes igneous rocks?
[ "Mantle", "tube", "Core", "Mountains", "Crust", "heat", "Earth", "cracking" ]
Mantle
Answer the following multiple-choice question. Question: Where does the lava come from that makes igneous rocks? Options: A. Mantle B. tube C. Core D. Mountains E. Crust F. heat G. Earth H. cracking Which option is correct and why?
The correct answer is: Mantle.
Narrowing of the arterioles causes an increase of what upstream in the arteries?
[ "heart beat", "white blood cells", "red blood cells", "blood pressure" ]
blood pressure
Answer the following multiple-choice question. Question: Narrowing of the arterioles causes an increase of what upstream in the arteries? Options: A. heart beat B. white blood cells C. red blood cells D. blood pressure Which option is correct and why?
The correct answer is: blood pressure.
What is safest to breathe around?
[ "coal plant", "Union Carbide plant", "windmill", "automobile" ]
windmill
Answer the following multiple-choice question. Question: What is safest to breathe around? Options: A. coal plant B. Union Carbide plant C. windmill D. automobile Which option is correct and why?
The correct answer is: windmill.
The older parts of what structures anchor the plant and transport water and solutes between the soil and shoots?
[ "cells", "roots", "bark", "leaves" ]
roots
Answer the following multiple-choice question. Question: The older parts of what structures anchor the plant and transport water and solutes between the soil and shoots? Options: A. cells B. roots C. bark D. leaves Which option is correct and why?
The correct answer is: roots.
In which type of reaction are compounds formed?
[ "chemical reaction", "gaseous reaction", "acid reaction", "balanced reaction" ]
chemical reaction
Answer the following multiple-choice question. Question: In which type of reaction are compounds formed? Options: A. chemical reaction B. gaseous reaction C. acid reaction D. balanced reaction Which option is correct and why?
The correct answer is: chemical reaction.
What are used for communication by two people by transmitting signals?
[ "electricity", "satellites", "air", "phytoplanktons", "unidirectional", "telephones", "the Sun", "waves" ]
telephones
Answer the following multiple-choice question. Question: What are used for communication by two people by transmitting signals? Options: A. electricity B. satellites C. air D. phytoplanktons E. unidirectional F. telephones G. the Sun H. waves Which option is correct and why?
The correct answer is: telephones.
Commensalism, mutualism, and parasitism are known as what type of relationships?
[ "various", "symbiotic", "peculiar", "simple" ]
symbiotic
Answer the following multiple-choice question. Question: Commensalism, mutualism, and parasitism are known as what type of relationships? Options: A. various B. symbiotic C. peculiar D. simple Which option is correct and why?
The correct answer is: symbiotic.
a light bulb is used for seeing
[ "in the morning", "power", "heat", "at noon", "electricity", "heat energy", "at night", "in the daytime" ]
at night
Answer the following multiple-choice question. Question: a light bulb is used for seeing Options: A. in the morning B. power C. heat D. at noon E. electricity F. heat energy G. at night H. in the daytime Which option is correct and why?
The correct answer is: at night.
Which kind of flowers carry both male and female floral organs?
[ "Upward Flowers", "stunning flowers", "perfect flowers", "creating flowers" ]
perfect flowers
Answer the following multiple-choice question. Question: Which kind of flowers carry both male and female floral organs? Options: A. Upward Flowers B. stunning flowers C. perfect flowers D. creating flowers Which option is correct and why?
The correct answer is: perfect flowers.
What is the ability of an atom to emit charged particles and energy from its nucleus called?
[ "power", "radioactivity", "accumulation", "conductivity" ]
radioactivity
Answer the following multiple-choice question. Question: What is the ability of an atom to emit charged particles and energy from its nucleus called? Options: A. power B. radioactivity C. accumulation D. conductivity Which option is correct and why?
The correct answer is: radioactivity.
What does winter cause?
[ "a lot of human deaths", "the earth to rotate", "exposure to cold", "the stars to shine", "the sun to rotate", "Decreased precipitation", "change to the environment", "decreases its bodily water" ]
change to the environment
Answer the following multiple-choice question. Question: What does winter cause? Options: A. a lot of human deaths B. the earth to rotate C. exposure to cold D. the stars to shine E. the sun to rotate F. Decreased precipitation G. change to the environment H. decreases its bodily water Which option is correct and why?
The correct answer is: change to the environment.
Vesicular transport includes exocytosis and what?
[ "endocytosis", "phagocytosis", "meiosis", "metastasis" ]
endocytosis
Answer the following multiple-choice question. Question: Vesicular transport includes exocytosis and what? Options: A. endocytosis B. phagocytosis C. meiosis D. metastasis Which option is correct and why?
The correct answer is: endocytosis.
TRH stimulates what?
[ "gene release", "prolactin release", "sensory neurons", "Chemical energy", "matter vibrating", "Veins and arteries.", "brain release", "code release" ]
prolactin release
Answer the following multiple-choice question. Question: TRH stimulates what? Options: A. gene release B. prolactin release C. sensory neurons D. Chemical energy E. matter vibrating F. Veins and arteries. G. brain release H. code release Which option is correct and why?
The correct answer is: prolactin release.
What location that had a disaster in 2017 was caused by heavy rains?
[ "San Francisco", "Houston", "Mexico City", "Tokyo" ]
Houston
Answer the following multiple-choice question. Question: What location that had a disaster in 2017 was caused by heavy rains? Options: A. San Francisco B. Houston C. Mexico City D. Tokyo Which option is correct and why?
The correct answer is: Houston.
What may be free-living or parasitic?
[ "insects", "parasites", "bushes", "nematodes", "trees", "bacteria", "animals", "Most plants" ]
nematodes
Answer the following multiple-choice question. Question: What may be free-living or parasitic? Options: A. insects B. parasites C. bushes D. nematodes E. trees F. bacteria G. animals H. Most plants Which option is correct and why?
The correct answer is: nematodes.
Why do comet tails always point away from the sun instead of trailing behind the comet?
[ "dust particles liquify", "dust particles attract", "dust particles evaporate", "dust particles recoil" ]
dust particles recoil
Answer the following multiple-choice question. Question: Why do comet tails always point away from the sun instead of trailing behind the comet? Options: A. dust particles liquify B. dust particles attract C. dust particles evaporate D. dust particles recoil Which option is correct and why?
The correct answer is: dust particles recoil.
I can use a Punnett Square to determine if
[ "I'll be able to walk on walls", "If I will be invisible", "I'll be able to have superpowers", "I'll be able to twist my tongue" ]
I'll be able to twist my tongue
Answer the following multiple-choice question. Question: I can use a Punnett Square to determine if Options: A. I'll be able to walk on walls B. If I will be invisible C. I'll be able to have superpowers D. I'll be able to twist my tongue Which option is correct and why?
The correct answer is: I'll be able to twist my tongue.
What system makes sure leaked blood returns back to the bloodstream?
[ "cerebral", "somatic", "lymphatic", "symptomatic" ]
lymphatic
Answer the following multiple-choice question. Question: What system makes sure leaked blood returns back to the bloodstream? Options: A. cerebral B. somatic C. lymphatic D. symptomatic Which option is correct and why?
The correct answer is: lymphatic.
How many electrons does lithium have?
[ "three", "four", "two", "seven" ]
three
Answer the following multiple-choice question. Question: How many electrons does lithium have? Options: A. three B. four C. two D. seven Which option is correct and why?
The correct answer is: three.
If you place a piece of paper on a hot object it will leave a
[ "damp spot", "a curl", "some ice", "a singe mark" ]
a singe mark
Answer the following multiple-choice question. Question: If you place a piece of paper on a hot object it will leave a Options: A. damp spot B. a curl C. some ice D. a singe mark Which option is correct and why?
The correct answer is: a singe mark.
What kind of movement do planets in the solar system make around the sun?
[ "elliptical orbits", "spinning orbits", "round orbits", "optical orbits" ]
elliptical orbits
Answer the following multiple-choice question. Question: What kind of movement do planets in the solar system make around the sun? Options: A. elliptical orbits B. spinning orbits C. round orbits D. optical orbits Which option is correct and why?
The correct answer is: elliptical orbits.
Which activity involves exerting force on an object with a foot?
[ "basketball", "kickball", "softball", "volleyball" ]
kickball
Answer the following multiple-choice question. Question: Which activity involves exerting force on an object with a foot? Options: A. basketball B. kickball C. softball D. volleyball Which option is correct and why?
The correct answer is: kickball.
Mineralocorticoids are hormones synthesized by the adrenal cortex that affect what balance, by regulating sodium and water levels?
[ "homeostasis", "equilibrium", "osmotic", "blood pressure" ]
osmotic
Answer the following multiple-choice question. Question: Mineralocorticoids are hormones synthesized by the adrenal cortex that affect what balance, by regulating sodium and water levels? Options: A. homeostasis B. equilibrium C. osmotic D. blood pressure Which option is correct and why?
The correct answer is: osmotic.
It may seem as though burning destroys matter, but the same amount of what, still exists after a campfire as before?
[ "mass", "energy", "termperature", "concentrations" ]
mass
Answer the following multiple-choice question. Question: It may seem as though burning destroys matter, but the same amount of what, still exists after a campfire as before? Options: A. mass B. energy C. termperature D. concentrations Which option is correct and why?
The correct answer is: mass.
Which material slows the transfer of electricity?
[ "Cotton", "Water", "Smoking", "heat", "the skin", "Steel", "cigarettes", "Plastic" ]
Plastic
Answer the following multiple-choice question. Question: Which material slows the transfer of electricity? Options: A. Cotton B. Water C. Smoking D. heat E. the skin F. Steel G. cigarettes H. Plastic Which option is correct and why?
The correct answer is: Plastic.
What term describes a way that small molecules or ions move across the cell membrane without input of energy by the cell?
[ "immune transport", "passive transport", "impassive transport", "physical transport" ]
passive transport
Answer the following multiple-choice question. Question: What term describes a way that small molecules or ions move across the cell membrane without input of energy by the cell? Options: A. immune transport B. passive transport C. impassive transport D. physical transport Which option is correct and why?
The correct answer is: passive transport.
what have a period of courtship?
[ "animals", "sharks", "pigeons", "bacteria", "fur seals", "judges", "h2o", "ducks" ]
pigeons
Answer the following multiple-choice question. Question: what have a period of courtship? Options: A. animals B. sharks C. pigeons D. bacteria E. fur seals F. judges G. h2o H. ducks Which option is correct and why?
The correct answer is: pigeons.
Earth orbiting the Sun causes changes to what?
[ "weather", "sunlight", "colors", "food", "herds", "water", "earth", "climate" ]
weather
Answer the following multiple-choice question. Question: Earth orbiting the Sun causes changes to what? Options: A. weather B. sunlight C. colors D. food E. herds F. water G. earth H. climate Which option is correct and why?
The correct answer is: weather.
What are the two groups that tripoblastic eucoelomates can be divided into based on early embryonic development differences?
[ "protostomes and eurostomes", "protostomes and deuterostomes", "heterodimers and deuterostomes", "odontoblasts and deuterostomes" ]
protostomes and deuterostomes
Answer the following multiple-choice question. Question: What are the two groups that tripoblastic eucoelomates can be divided into based on early embryonic development differences? Options: A. protostomes and eurostomes B. protostomes and deuterostomes C. heterodimers and deuterostomes D. odontoblasts and deuterostomes Which option is correct and why?
The correct answer is: protostomes and deuterostomes.
When there is no mass in a volume of space, the space is not what?
[ "curved", "straight", "timed", "flat" ]
curved
Answer the following multiple-choice question. Question: When there is no mass in a volume of space, the space is not what? Options: A. curved B. straight C. timed D. flat Which option is correct and why?
The correct answer is: curved.
what are required for cell growth?
[ "Enzymes", "coded genes", "heat energy", "energy", "nutrients", "Energy.", "centrioles", "Proteins" ]
centrioles
Answer the following multiple-choice question. Question: what are required for cell growth? Options: A. Enzymes B. coded genes C. heat energy D. energy E. nutrients F. Energy. G. centrioles H. Proteins Which option is correct and why?
The correct answer is: centrioles.
Earth orbiting the sun causes something with how many different states to change?
[ "three", "two", "four", "six", "eras", "cold", "winter", "motion" ]
four
Answer the following multiple-choice question. Question: Earth orbiting the sun causes something with how many different states to change? Options: A. three B. two C. four D. six E. eras F. cold G. winter H. motion Which option is correct and why?
The correct answer is: four.
Where is gabbro found?
[ "volcanoes", "wetlands", "forest floor", "oceanic crust" ]
oceanic crust
Answer the following multiple-choice question. Question: Where is gabbro found? Options: A. volcanoes B. wetlands C. forest floor D. oceanic crust Which option is correct and why?
The correct answer is: oceanic crust.