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A heavier object
[ "requires less force to move", "requires minimal effort to move", "requires more muscle power to shift", "requires a light touch to move" ]
requires more muscle power to shift
Answer the following multiple-choice question. Question: A heavier object Options: A. requires less force to move B. requires minimal effort to move C. requires more muscle power to shift D. requires a light touch to move Which option is correct and why?
The correct answer is: requires more muscle power to shift.
An example of breaking down is
[ "cutting an apple into slices", "putting a jigsaw puzzle together", "mixing cake ingredients together", "applying coats of paint onto a wall" ]
cutting an apple into slices
Answer the following multiple-choice question. Question: An example of breaking down is Options: A. cutting an apple into slices B. putting a jigsaw puzzle together C. mixing cake ingredients together D. applying coats of paint onto a wall Which option is correct and why?
The correct answer is: cutting an apple into slices.
which of these indicate non-living tree?
[ "it stands tall with flowers", "none of these", "it is fresh and green with strong roots", "it lies horizontally on the park grounds" ]
it lies horizontally on the park grounds
Answer the following multiple-choice question. Question: which of these indicate non-living tree? Options: A. it stands tall with flowers B. none of these C. it is fresh and green with strong roots D. it lies horizontally on the park grounds Which option is correct and why?
The correct answer is: it lies horizontally on the park grounds.
Which of the following could make more people want to wear masks?
[ "A bicycle race with hundreds of participants", "the use of electric lawn mowers", "contaminated hamburger meat from the grocery store", "a bus that uses a petroleum product for fuel" ]
a bus that uses a petroleum product for fuel
Answer the following multiple-choice question. Question: Which of the following could make more people want to wear masks? Options: A. A bicycle race with hundreds of participants B. the use of electric lawn mowers C. contaminated hamburger meat from the grocery store D. a bus that uses a petroleum product for fuel W...
The correct answer is: a bus that uses a petroleum product for fuel.
The skeletal system
[ "is made up of tissue and organs", "is made up of the lungs and heart", "is made up of white blood cells", "is made up of calcified material" ]
is made up of calcified material
Answer the following multiple-choice question. Question: The skeletal system Options: A. is made up of tissue and organs B. is made up of the lungs and heart C. is made up of white blood cells D. is made up of calcified material Which option is correct and why?
The correct answer is: is made up of calcified material.
What are a source of fibers?
[ "water", "plantlife", "rocks", "air" ]
plantlife
Answer the following multiple-choice question. Question: What are a source of fibers? Options: A. water B. plantlife C. rocks D. air Which option is correct and why?
The correct answer is: plantlife.
The spinal cord contains
[ "electrically excitable cells", "nerve gas", "biological impulses", "hair follicles" ]
electrically excitable cells
Answer the following multiple-choice question. Question: The spinal cord contains Options: A. electrically excitable cells B. nerve gas C. biological impulses D. hair follicles Which option is correct and why?
The correct answer is: electrically excitable cells.
Humans cry when they are born, horses can walk when they are born, and birds can chirp when born because of
[ "TV", "learning from mom", "instinctive behavior", "school" ]
instinctive behavior
Answer the following multiple-choice question. Question: Humans cry when they are born, horses can walk when they are born, and birds can chirp when born because of Options: A. TV B. learning from mom C. instinctive behavior D. school Which option is correct and why?
The correct answer is: instinctive behavior.
When cutting down rain forests, it is important to keep in mind air quality. When too many trees are cut down in a given area, there may be decrease in the air's
[ "quality", "carbon dioxide", "helium amounts", "carbin dioyide levels" ]
quality
Answer the following multiple-choice question. Question: When cutting down rain forests, it is important to keep in mind air quality. When too many trees are cut down in a given area, there may be decrease in the air's Options: A. quality B. carbon dioxide C. helium amounts D. carbin dioyide levels Which option is co...
The correct answer is: quality.
Which of these items was able to keep things cool thanks to electrical conversion?
[ "magic carpet", "snowy road", "light bulb", "table fan" ]
table fan
Answer the following multiple-choice question. Question: Which of these items was able to keep things cool thanks to electrical conversion? Options: A. magic carpet B. snowy road C. light bulb D. table fan Which option is correct and why?
The correct answer is: table fan.
How would a location's climate be determined?
[ "look at the weather many mornings, afternoons, and evenings in different seasons", "look at the the most extreme weather events", "look at the weather at noon only", "look at the weather on one day" ]
look at the weather many mornings, afternoons, and evenings in different seasons
Answer the following multiple-choice question. Question: How would a location's climate be determined? Options: A. look at the weather many mornings, afternoons, and evenings in different seasons B. look at the the most extreme weather events C. look at the weather at noon only D. look at the weather on one day Which...
The correct answer is: look at the weather many mornings, afternoons, and evenings in different seasons.
How can a woman's compact best help if she is lost on a mountain?
[ "She will be able to fix her appearance to be more likely to receive help", "She can use the makeup as camouflage", "she can use the mirror to signal someone", "She can break the mirror to use the pieces for a weapon" ]
she can use the mirror to signal someone
Answer the following multiple-choice question. Question: How can a woman's compact best help if she is lost on a mountain? Options: A. She will be able to fix her appearance to be more likely to receive help B. She can use the makeup as camouflage C. she can use the mirror to signal someone D. She can break the mirror...
The correct answer is: she can use the mirror to signal someone.
We have respiration in our bodies to
[ "deal with gas", "Talk for hours", "Thinking", "Running" ]
deal with gas
Answer the following multiple-choice question. Question: We have respiration in our bodies to Options: A. deal with gas B. Talk for hours C. Thinking D. Running Which option is correct and why?
The correct answer is: deal with gas.
Many animals entered the city because of
[ "global warming", "buildings", "warm streets", "logging" ]
logging
Answer the following multiple-choice question. Question: Many animals entered the city because of Options: A. global warming B. buildings C. warm streets D. logging Which option is correct and why?
The correct answer is: logging.
What is it termed when a squirrel is inanimate
[ "death", "inertia", "colluded", "emanated" ]
death
Answer the following multiple-choice question. Question: What is it termed when a squirrel is inanimate Options: A. death B. inertia C. colluded D. emanated Which option is correct and why?
The correct answer is: death.
What can melting glaciers deposit?
[ "heaps of ice cubes", "heaps of confused penguins", "heaps of crystalline solids", "heaps of coral reef" ]
heaps of crystalline solids
Answer the following multiple-choice question. Question: What can melting glaciers deposit? Options: A. heaps of ice cubes B. heaps of confused penguins C. heaps of crystalline solids D. heaps of coral reef Which option is correct and why?
The correct answer is: heaps of crystalline solids.
The worst place to leave a candy bar is
[ "refrigerator", "closet", "freezer", "sunlight" ]
sunlight
Answer the following multiple-choice question. Question: The worst place to leave a candy bar is Options: A. refrigerator B. closet C. freezer D. sunlight Which option is correct and why?
The correct answer is: sunlight.
what can baking soda and vinegar do together?
[ "they will boil", "they turn hard", "a combined reaction", "they do nothing" ]
a combined reaction
Answer the following multiple-choice question. Question: what can baking soda and vinegar do together? Options: A. they will boil B. they turn hard C. a combined reaction D. they do nothing Which option is correct and why?
The correct answer is: a combined reaction.
Cardinals
[ "have live births", "eat only meat", "incubate their food", "incubate their young" ]
incubate their young
Answer the following multiple-choice question. Question: Cardinals Options: A. have live births B. eat only meat C. incubate their food D. incubate their young Which option is correct and why?
The correct answer is: incubate their young.
Coal and oil directly removed from the ground are
[ "directly consumed", "thrown away", "made into products", "stored underground" ]
made into products
Answer the following multiple-choice question. Question: Coal and oil directly removed from the ground are Options: A. directly consumed B. thrown away C. made into products D. stored underground Which option is correct and why?
The correct answer is: made into products.
Changes to the earth can be done as a result of
[ "high temps", "mild weather", "large storms", "snowing clouds" ]
high temps
Answer the following multiple-choice question. Question: Changes to the earth can be done as a result of Options: A. high temps B. mild weather C. large storms D. snowing clouds Which option is correct and why?
The correct answer is: high temps.
adding a direct flame to container of acid causes a
[ "dormant cycle", "lot of nothing", "lower temperature", "vapor expulsion" ]
vapor expulsion
Answer the following multiple-choice question. Question: adding a direct flame to container of acid causes a Options: A. dormant cycle B. lot of nothing C. lower temperature D. vapor expulsion Which option is correct and why?
The correct answer is: vapor expulsion.
Over a period of years in direct heat and sunlight, a large boulder may be
[ "frozen", "catapulted", "ravaged", "rotted" ]
ravaged
Answer the following multiple-choice question. Question: Over a period of years in direct heat and sunlight, a large boulder may be Options: A. frozen B. catapulted C. ravaged D. rotted Which option is correct and why?
The correct answer is: ravaged.
Deer are less safe in the woods because wolves
[ "have fur", "howl", "have claws", "have tails" ]
have claws
Answer the following multiple-choice question. Question: Deer are less safe in the woods because wolves Options: A. have fur B. howl C. have claws D. have tails Which option is correct and why?
The correct answer is: have claws.
An example of a simple machine requiring mechanical energy in order to function would be
[ "a light that needs a crank to be turned", "a radio that needs four batteries", "a computer that needs to be plugged in", "a stove that works on gas" ]
a light that needs a crank to be turned
Answer the following multiple-choice question. Question: An example of a simple machine requiring mechanical energy in order to function would be Options: A. a light that needs a crank to be turned B. a radio that needs four batteries C. a computer that needs to be plugged in D. a stove that works on gas Which option...
The correct answer is: a light that needs a crank to be turned.
Humans go through multiple stages in their life. First is infancy, last is
[ "Stage 7", "being an adult", "high school", "puberty" ]
being an adult
Answer the following multiple-choice question. Question: Humans go through multiple stages in their life. First is infancy, last is Options: A. Stage 7 B. being an adult C. high school D. puberty Which option is correct and why?
The correct answer is: being an adult.
Which kind of behavior has a fixed action pattern?
[ "political", "migration", "food preparation", "shopping" ]
migration
Answer the following multiple-choice question. Question: Which kind of behavior has a fixed action pattern? Options: A. political B. migration C. food preparation D. shopping Which option is correct and why?
The correct answer is: migration.
If something is a raw material in a process, then that something is
[ "degraded during the process", "man made before the process", "a required during production like labor and capital", "only used in the final phase" ]
a required during production like labor and capital
Answer the following multiple-choice question. Question: If something is a raw material in a process, then that something is Options: A. degraded during the process B. man made before the process C. a required during production like labor and capital D. only used in the final phase Which option is correct and why?
The correct answer is: a required during production like labor and capital.
Thermometers
[ "can tell you if you need an umbrella that day", "can tell you which direction the wind is blowing", "can help you decide how many layers of clothes to wear outside", "can tell you how much rain has fallen" ]
can help you decide how many layers of clothes to wear outside
Answer the following multiple-choice question. Question: Thermometers Options: A. can tell you if you need an umbrella that day B. can tell you which direction the wind is blowing C. can help you decide how many layers of clothes to wear outside D. can tell you how much rain has fallen Which option is correct and why...
The correct answer is: can help you decide how many layers of clothes to wear outside.
if a person is unable to stand cold weather, which of these should be avoided?
[ "the arctic regions", "all of these", "tropical rain forest", "the mangrove forest" ]
the arctic regions
Answer the following multiple-choice question. Question: if a person is unable to stand cold weather, which of these should be avoided? Options: A. the arctic regions B. all of these C. tropical rain forest D. the mangrove forest Which option is correct and why?
The correct answer is: the arctic regions.
I have a shirt that is now too small, what can I do to conserve and reuse the fabric?
[ "Walk a runway with it", "Use it to protect my body from bullets", "Make a new wallet", "Track the weather with it" ]
Make a new wallet
Answer the following multiple-choice question. Question: I have a shirt that is now too small, what can I do to conserve and reuse the fabric? Options: A. Walk a runway with it B. Use it to protect my body from bullets C. Make a new wallet D. Track the weather with it Which option is correct and why?
The correct answer is: Make a new wallet.
Which organism uses xylem for materials transport?
[ "saguaro cactus", "liverwort", "green algae", "sphagnum moss" ]
saguaro cactus
Answer the following multiple-choice question. Question: Which organism uses xylem for materials transport? Options: A. saguaro cactus B. liverwort C. green algae D. sphagnum moss Which option is correct and why?
The correct answer is: saguaro cactus.
If I wanted to prevent a blister when running I can
[ "wear layers", "Run barefoot", "Walk instead", "Wear sandals" ]
wear layers
Answer the following multiple-choice question. Question: If I wanted to prevent a blister when running I can Options: A. wear layers B. Run barefoot C. Walk instead D. Wear sandals Which option is correct and why?
The correct answer is: wear layers.
What can be used more than one time?
[ "coal", "soda bottle", "gas", "oil" ]
soda bottle
Answer the following multiple-choice question. Question: What can be used more than one time? Options: A. coal B. soda bottle C. gas D. oil Which option is correct and why?
The correct answer is: soda bottle.
Viruses are killed by objects used in a
[ "backyard", "bathroom", "kitchen", "living room" ]
kitchen
Answer the following multiple-choice question. Question: Viruses are killed by objects used in a Options: A. backyard B. bathroom C. kitchen D. living room Which option is correct and why?
The correct answer is: kitchen.
An example of weathering is
[ "sand", "sharp boulders", "tall trees", "coral reefs" ]
sand
Answer the following multiple-choice question. Question: An example of weathering is Options: A. sand B. sharp boulders C. tall trees D. coral reefs Which option is correct and why?
The correct answer is: sand.
How long does it take Earth to fully revolve one time
[ "28 hours", "46 hours", "1400 minutes", "1440 minutes" ]
1440 minutes
Answer the following multiple-choice question. Question: How long does it take Earth to fully revolve one time Options: A. 28 hours B. 46 hours C. 1400 minutes D. 1440 minutes Which option is correct and why?
The correct answer is: 1440 minutes.
What is a source of energy for animals?
[ "rocks", "plastic food", "metal", "nutriment" ]
nutriment
Answer the following multiple-choice question. Question: What is a source of energy for animals? Options: A. rocks B. plastic food C. metal D. nutriment Which option is correct and why?
The correct answer is: nutriment.
If a deer is unable to eat regularly, or only eats that which lacks essential minerals, the deer may
[ "find healthy food", "experience failing health", "fail to gestate", "prepare to mate" ]
experience failing health
Answer the following multiple-choice question. Question: If a deer is unable to eat regularly, or only eats that which lacks essential minerals, the deer may Options: A. find healthy food B. experience failing health C. fail to gestate D. prepare to mate Which option is correct and why?
The correct answer is: experience failing health.
What United States unit of measurement would be most comparable to a meter stick
[ "Mile Marker", "ruler", "Tape Measurer", "Yardstick" ]
Yardstick
Answer the following multiple-choice question. Question: What United States unit of measurement would be most comparable to a meter stick Options: A. Mile Marker B. ruler C. Tape Measurer D. Yardstick Which option is correct and why?
The correct answer is: Yardstick.
Coyotes notice that their territory begins to get more and more dry. This means that in order to properly hydrate, the coyotes will need to
[ "mitigate water", "moisturize their fur", "migrate for dryness", "migrate for fluid" ]
migrate for fluid
Answer the following multiple-choice question. Question: Coyotes notice that their territory begins to get more and more dry. This means that in order to properly hydrate, the coyotes will need to Options: A. mitigate water B. moisturize their fur C. migrate for dryness D. migrate for fluid Which option is correct an...
The correct answer is: migrate for fluid.
Flashlights
[ "illuminate a person's age", "need remote controls to properly operate", "make it easier to spot cat toys under the couch", "make word searches easier" ]
make it easier to spot cat toys under the couch
Answer the following multiple-choice question. Question: Flashlights Options: A. illuminate a person's age B. need remote controls to properly operate C. make it easier to spot cat toys under the couch D. make word searches easier Which option is correct and why?
The correct answer is: make it easier to spot cat toys under the couch.
When a baseball is hit with a bat the ball particles do what?
[ "Fly", "Vibrate", "Talk", "Roll" ]
Vibrate
Answer the following multiple-choice question. Question: When a baseball is hit with a bat the ball particles do what? Options: A. Fly B. Vibrate C. Talk D. Roll Which option is correct and why?
The correct answer is: Vibrate.
When it is sleeting outdoors, that is because precipitation
[ "melted", "evaporated", "solidified", "rained" ]
solidified
Answer the following multiple-choice question. Question: When it is sleeting outdoors, that is because precipitation Options: A. melted B. evaporated C. solidified D. rained Which option is correct and why?
The correct answer is: solidified.
I left a statue outside away from water for 100 years, when I come back it is significantly smaller, why?
[ "The Wind", "Birds", "Tiny Trolls", "Ants" ]
The Wind
Answer the following multiple-choice question. Question: I left a statue outside away from water for 100 years, when I come back it is significantly smaller, why? Options: A. The Wind B. Birds C. Tiny Trolls D. Ants Which option is correct and why?
The correct answer is: The Wind.
Gasoline is unable to exist without the addition of raw materials such as
[ "fossilized matter", "sand", "water", "air" ]
fossilized matter
Answer the following multiple-choice question. Question: Gasoline is unable to exist without the addition of raw materials such as Options: A. fossilized matter B. sand C. water D. air Which option is correct and why?
The correct answer is: fossilized matter.
A destroyed habitat can lead to
[ "raccoons losing their homes", "birds migrating to the north", "a boom in animal reproduction", "hibernation of local bears" ]
raccoons losing their homes
Answer the following multiple-choice question. Question: A destroyed habitat can lead to Options: A. raccoons losing their homes B. birds migrating to the north C. a boom in animal reproduction D. hibernation of local bears Which option is correct and why?
The correct answer is: raccoons losing their homes.
What is an example of runoff?
[ "A farm being irrigated", "Water running from a farm into Lake Huron", "Rainwater soaking into the ground", "Water condensing to form dew" ]
Water running from a farm into Lake Huron
Answer the following multiple-choice question. Question: What is an example of runoff? Options: A. A farm being irrigated B. Water running from a farm into Lake Huron C. Rainwater soaking into the ground D. Water condensing to form dew Which option is correct and why?
The correct answer is: Water running from a farm into Lake Huron.
Peat is made by decaying vegetation compacted by soil in a
[ "uncultivated swamp or marsh", "river that flows with freshwater", "geographically separated saltwater ocean", "lake surrounded by land with a basin" ]
uncultivated swamp or marsh
Answer the following multiple-choice question. Question: Peat is made by decaying vegetation compacted by soil in a Options: A. uncultivated swamp or marsh B. river that flows with freshwater C. geographically separated saltwater ocean D. lake surrounded by land with a basin Which option is correct and why?
The correct answer is: uncultivated swamp or marsh.
A miner is searching for stones and rocks that can be used for other purposes than for building. He wants to be able to find and process something worthwhile, so he looks for rocks with
[ "aluminium", "sand", "roxys", "pearl" ]
aluminium
Answer the following multiple-choice question. Question: A miner is searching for stones and rocks that can be used for other purposes than for building. He wants to be able to find and process something worthwhile, so he looks for rocks with Options: A. aluminium B. sand C. roxys D. pearl Which option is correct and...
The correct answer is: aluminium.
A higher barometer reading means
[ "lower air pressure in the atmosphere", "an atmosphere lacking in air pressure", "greater air pressure in the atmosphere", "that the barometer is broken" ]
greater air pressure in the atmosphere
Answer the following multiple-choice question. Question: A higher barometer reading means Options: A. lower air pressure in the atmosphere B. an atmosphere lacking in air pressure C. greater air pressure in the atmosphere D. that the barometer is broken Which option is correct and why?
The correct answer is: greater air pressure in the atmosphere.
A camera can take an image and
[ "preserve it", "edit it", "lock it in", "produce it" ]
preserve it
Answer the following multiple-choice question. Question: A camera can take an image and Options: A. preserve it B. edit it C. lock it in D. produce it Which option is correct and why?
The correct answer is: preserve it.
Spending less time in the shower
[ "depletes a vast amount of water reserves", "is bad for the environment", "uses up more water", "leads to more reserves in the water heater" ]
leads to more reserves in the water heater
Answer the following multiple-choice question. Question: Spending less time in the shower Options: A. depletes a vast amount of water reserves B. is bad for the environment C. uses up more water D. leads to more reserves in the water heater Which option is correct and why?
The correct answer is: leads to more reserves in the water heater.
National parks have rules
[ "that curtail the growth of fragile animal species", "that open the parks to mining of natural resources", "that allow for littering", "that protect vulnerable animal inhabitants int he parks" ]
that protect vulnerable animal inhabitants int he parks
Answer the following multiple-choice question. Question: National parks have rules Options: A. that curtail the growth of fragile animal species B. that open the parks to mining of natural resources C. that allow for littering D. that protect vulnerable animal inhabitants int he parks Which option is correct and why?
The correct answer is: that protect vulnerable animal inhabitants int he parks.
A
[ "bacterial cell must perform all life functions", "lung cell", "flower cell", "tail cell" ]
bacterial cell must perform all life functions
Answer the following multiple-choice question. Question: A Options: A. bacterial cell must perform all life functions B. lung cell C. flower cell D. tail cell Which option is correct and why?
The correct answer is: bacterial cell must perform all life functions.
A breeze is blowing across a field, growing stronger and stronger. The breeze becomes a storm of wind, moving rocks and breaking trees. This wind is likely the cause of
[ "evenly heated spaces", "unevenly distributed heat", "heated earth spaces", "space heaters" ]
unevenly distributed heat
Answer the following multiple-choice question. Question: A breeze is blowing across a field, growing stronger and stronger. The breeze becomes a storm of wind, moving rocks and breaking trees. This wind is likely the cause of Options: A. evenly heated spaces B. unevenly distributed heat C. heated earth spaces D. space...
The correct answer is: unevenly distributed heat.
How many times per 365.3 days does an equinox occur?
[ "3", "1", "2", "4" ]
2
Answer the following multiple-choice question. Question: How many times per 365.3 days does an equinox occur? Options: A. 3 B. 1 C. 2 D. 4 Which option is correct and why?
The correct answer is: 2.
What happens when hexane's temperature goes above 70 degrees celsius?
[ "It melts", "it sublimates", "it boils", "It freezes" ]
it boils
Answer the following multiple-choice question. Question: What happens when hexane's temperature goes above 70 degrees celsius? Options: A. It melts B. it sublimates C. it boils D. It freezes Which option is correct and why?
The correct answer is: it boils.
Which of the following crops was the first staple in the human diet?
[ "wheat", "barley", "corn", "rice" ]
wheat
Answer the following multiple-choice question. Question: Which of the following crops was the first staple in the human diet? Options: A. wheat B. barley C. corn D. rice Which option is correct and why?
The correct answer is: wheat.
An example of how sunlight is a source of light from the sun is
[ "weather being variable", "raising temps", "windmills producing energy", "frogs croaking" ]
raising temps
Answer the following multiple-choice question. Question: An example of how sunlight is a source of light from the sun is Options: A. weather being variable B. raising temps C. windmills producing energy D. frogs croaking Which option is correct and why?
The correct answer is: raising temps.
The amount of water in the ocean compared to fifty years ago is
[ "fluctuating", "larger", "smaller", "the same" ]
larger
Answer the following multiple-choice question. Question: The amount of water in the ocean compared to fifty years ago is Options: A. fluctuating B. larger C. smaller D. the same Which option is correct and why?
The correct answer is: larger.
Heat from the sun, waves crashing down, and huge storms all wail on a large boulder at the shore. After a few hundred years, where the boulder stood is now
[ "earth", "trees", "corn", "cats" ]
earth
Answer the following multiple-choice question. Question: Heat from the sun, waves crashing down, and huge storms all wail on a large boulder at the shore. After a few hundred years, where the boulder stood is now Options: A. earth B. trees C. corn D. cats Which option is correct and why?
The correct answer is: earth.
What kind of insects lays eggs during the adult stage of its life cycle?
[ "All", "large", "queen", "Male" ]
queen
Answer the following multiple-choice question. Question: What kind of insects lays eggs during the adult stage of its life cycle? Options: A. All B. large C. queen D. Male Which option is correct and why?
The correct answer is: queen.
Eagles eat
[ "hawks", "flying insects", "plants and grains", "small burrowing mammals" ]
small burrowing mammals
Answer the following multiple-choice question. Question: Eagles eat Options: A. hawks B. flying insects C. plants and grains D. small burrowing mammals Which option is correct and why?
The correct answer is: small burrowing mammals.
what characterizes a cycle
[ "a steady recurrence", "none of these", "a stagnant pattern", "a circle shape" ]
a steady recurrence
Answer the following multiple-choice question. Question: what characterizes a cycle Options: A. a steady recurrence B. none of these C. a stagnant pattern D. a circle shape Which option is correct and why?
The correct answer is: a steady recurrence.
Organic matter in soil can be increased by
[ "digging up flowers from the soil", "skunks spraying their scent on the soil", "the dead body of a mouse breaking down", "animals eating crops planted in the soil" ]
the dead body of a mouse breaking down
Answer the following multiple-choice question. Question: Organic matter in soil can be increased by Options: A. digging up flowers from the soil B. skunks spraying their scent on the soil C. the dead body of a mouse breaking down D. animals eating crops planted in the soil Which option is correct and why?
The correct answer is: the dead body of a mouse breaking down.
To attract birds to your yard
[ "erect a large menacing scarecrow", "destroy all your flowers", "cut down all trees big and small", "put out seeds in an easily accessible dish" ]
put out seeds in an easily accessible dish
Answer the following multiple-choice question. Question: To attract birds to your yard Options: A. erect a large menacing scarecrow B. destroy all your flowers C. cut down all trees big and small D. put out seeds in an easily accessible dish Which option is correct and why?
The correct answer is: put out seeds in an easily accessible dish.
If a kitten is unable to nurse from birth
[ "it will cry", "it will expire", "it will sleep", "it will vomit" ]
it will expire
Answer the following multiple-choice question. Question: If a kitten is unable to nurse from birth Options: A. it will cry B. it will expire C. it will sleep D. it will vomit Which option is correct and why?
The correct answer is: it will expire.
Three hundred and sixty five turns of the earth is
[ "double half a calendar year", "a very long time", "almost half of a lifetime", "more than two years" ]
double half a calendar year
Answer the following multiple-choice question. Question: Three hundred and sixty five turns of the earth is Options: A. double half a calendar year B. a very long time C. almost half of a lifetime D. more than two years Which option is correct and why?
The correct answer is: double half a calendar year.
How essential is air for animals?
[ "it is optional", "it is necessary", "it is useless", "it is unknown" ]
it is necessary
Answer the following multiple-choice question. Question: How essential is air for animals? Options: A. it is optional B. it is necessary C. it is useless D. it is unknown Which option is correct and why?
The correct answer is: it is necessary.
Ripping a paper in half
[ "alters the shape of the paper", "leaves the paper unchanged", "enlarges the piece of paper", "makes the paper into its gas form" ]
alters the shape of the paper
Answer the following multiple-choice question. Question: Ripping a paper in half Options: A. alters the shape of the paper B. leaves the paper unchanged C. enlarges the piece of paper D. makes the paper into its gas form Which option is correct and why?
The correct answer is: alters the shape of the paper.
Breathing is when the lungs convert oxygen from inhaled air into
[ "oxygen dispersed from respiratory bronchioles through air sacs to hemoglobin proteins", "Glucose particles in the blood", "nitrogen oxide in the blood", "carbon monoxide in the blood" ]
oxygen dispersed from respiratory bronchioles through air sacs to hemoglobin proteins
Answer the following multiple-choice question. Question: Breathing is when the lungs convert oxygen from inhaled air into Options: A. oxygen dispersed from respiratory bronchioles through air sacs to hemoglobin proteins B. Glucose particles in the blood C. nitrogen oxide in the blood D. carbon monoxide in the blood W...
The correct answer is: oxygen dispersed from respiratory bronchioles through air sacs to hemoglobin proteins.
frozen rainfall falling leaves the northern hemisphere a carpeted
[ "grey", "yellow", "white", "off white" ]
white
Answer the following multiple-choice question. Question: frozen rainfall falling leaves the northern hemisphere a carpeted Options: A. grey B. yellow C. white D. off white Which option is correct and why?
The correct answer is: white.
Tsunamis
[ "have little impact on the environment", "can be easily halted", "can rearrange coastal shorelines", "can encourage economic growth" ]
can rearrange coastal shorelines
Answer the following multiple-choice question. Question: Tsunamis Options: A. have little impact on the environment B. can be easily halted C. can rearrange coastal shorelines D. can encourage economic growth Which option is correct and why?
The correct answer is: can rearrange coastal shorelines.
An example of a mixture is
[ "light", "a molecule", "terra cotta", "gold" ]
terra cotta
Answer the following multiple-choice question. Question: An example of a mixture is Options: A. light B. a molecule C. terra cotta D. gold Which option is correct and why?
The correct answer is: terra cotta.
wildfire occurs when
[ "being environmental is considered hot", "someone smokes near a forest", "condensed tree areas are ablaze", "tree patterns are similar to fire" ]
condensed tree areas are ablaze
Answer the following multiple-choice question. Question: wildfire occurs when Options: A. being environmental is considered hot B. someone smokes near a forest C. condensed tree areas are ablaze D. tree patterns are similar to fire Which option is correct and why?
The correct answer is: condensed tree areas are ablaze.
Which of the following has a population of zero?
[ "Merriam's elk", "bison", "llama", "whooping crane" ]
Merriam's elk
Answer the following multiple-choice question. Question: Which of the following has a population of zero? Options: A. Merriam's elk B. bison C. llama D. whooping crane Which option is correct and why?
The correct answer is: Merriam's elk.
The Earth spins around and around, and in order to finish one cycle of this spinning
[ "two days must pass", "a week must go by", "the Earth must slow down", "a seventh of a week must pass" ]
a seventh of a week must pass
Answer the following multiple-choice question. Question: The Earth spins around and around, and in order to finish one cycle of this spinning Options: A. two days must pass B. a week must go by C. the Earth must slow down D. a seventh of a week must pass Which option is correct and why?
The correct answer is: a seventh of a week must pass.
When I play a violin the strings and create sound through
[ "A new word", "A quake", "Pens", "Sweat" ]
A quake
Answer the following multiple-choice question. Question: When I play a violin the strings and create sound through Options: A. A new word B. A quake C. Pens D. Sweat Which option is correct and why?
The correct answer is: A quake.
Measuring is a way to collect data; what is an example of this?
[ "pouring water into a gallon jug to save for later", "pouring milk into a half cup to see how much is left", "making sure that a blanket is warm enough for the night", "noticing how long a cat's tail is" ]
pouring milk into a half cup to see how much is left
Answer the following multiple-choice question. Question: Measuring is a way to collect data; what is an example of this? Options: A. pouring water into a gallon jug to save for later B. pouring milk into a half cup to see how much is left C. making sure that a blanket is warm enough for the night D. noticing how long ...
The correct answer is: pouring milk into a half cup to see how much is left.
What impact does humans changing animals habits have?
[ "inimical", "shameful", "positive", "happy" ]
inimical
Answer the following multiple-choice question. Question: What impact does humans changing animals habits have? Options: A. inimical B. shameful C. positive D. happy Which option is correct and why?
The correct answer is: inimical.
In a decade spring occurs
[ "three times", "twelve times", "ten times", "twice" ]
ten times
Answer the following multiple-choice question. Question: In a decade spring occurs Options: A. three times B. twelve times C. ten times D. twice Which option is correct and why?
The correct answer is: ten times.
Some animals are housed
[ "in public exhibitions for viewing", "in boxes for storage", "in barrels for travel", "in tents for sleeping" ]
in public exhibitions for viewing
Answer the following multiple-choice question. Question: Some animals are housed Options: A. in public exhibitions for viewing B. in boxes for storage C. in barrels for travel D. in tents for sleeping Which option is correct and why?
The correct answer is: in public exhibitions for viewing.
Being stronger has what impact on a creatures health?
[ "bad impact", "unexpected complications", "minimum effect", "good influence" ]
good influence
Answer the following multiple-choice question. Question: Being stronger has what impact on a creatures health? Options: A. bad impact B. unexpected complications C. minimum effect D. good influence Which option is correct and why?
The correct answer is: good influence.
Thermal conduction is
[ "room temperature water sitting on a counter", "a dog's paws touching summer scorched pavement", "cake pans stacked in an oven", "ice touching ice in a freezer" ]
a dog's paws touching summer scorched pavement
Answer the following multiple-choice question. Question: Thermal conduction is Options: A. room temperature water sitting on a counter B. a dog's paws touching summer scorched pavement C. cake pans stacked in an oven D. ice touching ice in a freezer Which option is correct and why?
The correct answer is: a dog's paws touching summer scorched pavement.
New plants sprang up everywhere seeds were taken by
[ "cool breezes", "magic", "luck", "demons" ]
cool breezes
Answer the following multiple-choice question. Question: New plants sprang up everywhere seeds were taken by Options: A. cool breezes B. magic C. luck D. demons Which option is correct and why?
The correct answer is: cool breezes.
Recycling happens
[ "when coal is turned into heat energy", "when fossil fuels are used by cars", "when Styrofoam plates are turned into trash", "when old Pepsi bottles are turned into t-shirts" ]
when old Pepsi bottles are turned into t-shirts
Answer the following multiple-choice question. Question: Recycling happens Options: A. when coal is turned into heat energy B. when fossil fuels are used by cars C. when Styrofoam plates are turned into trash D. when old Pepsi bottles are turned into t-shirts Which option is correct and why?
The correct answer is: when old Pepsi bottles are turned into t-shirts.
as dryness increases in an environment, biodiversity
[ "increases", "decreases", "stays the same", "begins" ]
decreases
Answer the following multiple-choice question. Question: as dryness increases in an environment, biodiversity Options: A. increases B. decreases C. stays the same D. begins Which option is correct and why?
The correct answer is: decreases.
Rubbing calcium on a streak plate
[ "describes a white mineral", "leaves behind bits of white", "tells a lot about calcium", "breaks the calcium into chunks" ]
leaves behind bits of white
Answer the following multiple-choice question. Question: Rubbing calcium on a streak plate Options: A. describes a white mineral B. leaves behind bits of white C. tells a lot about calcium D. breaks the calcium into chunks Which option is correct and why?
The correct answer is: leaves behind bits of white.
A smack on a wooden board can be heard a mile away
[ "because sound travels through oxygen", "because of how sound works", "because vibration can move", "because sound vibrates through atmosphere" ]
because sound vibrates through atmosphere
Answer the following multiple-choice question. Question: A smack on a wooden board can be heard a mile away Options: A. because sound travels through oxygen B. because of how sound works C. because vibration can move D. because sound vibrates through atmosphere Which option is correct and why?
The correct answer is: because sound vibrates through atmosphere.
what does a cactus do with water
[ "spit it out", "make it dirty", "keep a cache", "filter it" ]
keep a cache
Answer the following multiple-choice question. Question: what does a cactus do with water Options: A. spit it out B. make it dirty C. keep a cache D. filter it Which option is correct and why?
The correct answer is: keep a cache.
Bananas, pineapples, and coconuts are from places that are
[ "warm", "islands", "wet", "far away" ]
warm
Answer the following multiple-choice question. Question: Bananas, pineapples, and coconuts are from places that are Options: A. warm B. islands C. wet D. far away Which option is correct and why?
The correct answer is: warm.
Some animals build a structure called a house for their own species to live in. This animal is a
[ "rodent", "reptile", "carnivore", "primate" ]
primate
Answer the following multiple-choice question. Question: Some animals build a structure called a house for their own species to live in. This animal is a Options: A. rodent B. reptile C. carnivore D. primate Which option is correct and why?
The correct answer is: primate.
Some animals get caught easily by other animals because they are slow while the predators are
[ "Nice", "speedy", "manipulative", "crazy" ]
speedy
Answer the following multiple-choice question. Question: Some animals get caught easily by other animals because they are slow while the predators are Options: A. Nice B. speedy C. manipulative D. crazy Which option is correct and why?
The correct answer is: speedy.
Seeing stars may become more difficult as
[ "stars are condensed in the sky", "a greater amount of light is condensed in an area", "floodlights are used at sea", "spaceships begin to hover over earth" ]
a greater amount of light is condensed in an area
Answer the following multiple-choice question. Question: Seeing stars may become more difficult as Options: A. stars are condensed in the sky B. a greater amount of light is condensed in an area C. floodlights are used at sea D. spaceships begin to hover over earth Which option is correct and why?
The correct answer is: a greater amount of light is condensed in an area.
If a forest that is home to animals is cut down
[ "then the animals' homes are demolished", "then the animals will just rebuild", "then the animals will adapt", "then the animals all die" ]
then the animals' homes are demolished
Answer the following multiple-choice question. Question: If a forest that is home to animals is cut down Options: A. then the animals' homes are demolished B. then the animals will just rebuild C. then the animals will adapt D. then the animals all die Which option is correct and why?
The correct answer is: then the animals' homes are demolished.
The more that cars are driven, the more that
[ "daily temps will rise", "birds will get sick", "water will need purification", "food will taste odd" ]
daily temps will rise
Answer the following multiple-choice question. Question: The more that cars are driven, the more that Options: A. daily temps will rise B. birds will get sick C. water will need purification D. food will taste odd Which option is correct and why?
The correct answer is: daily temps will rise.
Bears hibernate in winter because
[ "to socialize more with other bears", "the environment is colder and has less food", "a fixed amount of time has passed", "cubs are being born" ]
the environment is colder and has less food
Answer the following multiple-choice question. Question: Bears hibernate in winter because Options: A. to socialize more with other bears B. the environment is colder and has less food C. a fixed amount of time has passed D. cubs are being born Which option is correct and why?
The correct answer is: the environment is colder and has less food.
Which of these would absorb more sunlight
[ "A cave", "A octopus", "A bat", "An elephant Ear" ]
An elephant Ear
Answer the following multiple-choice question. Question: Which of these would absorb more sunlight Options: A. A cave B. A octopus C. A bat D. An elephant Ear Which option is correct and why?
The correct answer is: An elephant Ear.
Rainbows need
[ "leprechauns and pots of gold", "rain and dark skies", "sun and some drizzle", "sun and clear skies" ]
sun and some drizzle
Answer the following multiple-choice question. Question: Rainbows need Options: A. leprechauns and pots of gold B. rain and dark skies C. sun and some drizzle D. sun and clear skies Which option is correct and why?
The correct answer is: sun and some drizzle.