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What causes objects to attract?
[ "heat energy", "mussels", "insects", "animals", "magnetism", "electrically", "hormones", "power" ]
magnetism
Answer the following multiple-choice question. Question: What causes objects to attract? Options: A. heat energy B. mussels C. insects D. animals E. magnetism F. electrically G. hormones H. power Which option is correct and why?
The correct answer is: magnetism.
E
What are the building blocks of peptides?
[ "alkali", "amino acids", "rocks", "magnets" ]
amino acids
Answer the following multiple-choice question. Question: What are the building blocks of peptides? Options: A. alkali B. amino acids C. rocks D. magnets Which option is correct and why?
The correct answer is: amino acids.
B
Which is true?
[ "one might happen upon a wild dinosaur in its home", "one might happen upon a wild shark in a forest", "one might happen upon a wild eagle in a van", "one might happen upon a wild osprey in a forest" ]
one might happen upon a wild osprey in a forest
Answer the following multiple-choice question. Question: Which is true? Options: A. one might happen upon a wild dinosaur in its home B. one might happen upon a wild shark in a forest C. one might happen upon a wild eagle in a van D. one might happen upon a wild osprey in a forest Which option is correct and why?
The correct answer is: one might happen upon a wild osprey in a forest.
D
what is an electrical energy conductor?
[ "plastic", "stone", "plants", "swords" ]
swords
Answer the following multiple-choice question. Question: what is an electrical energy conductor? Options: A. plastic B. stone C. plants D. swords Which option is correct and why?
The correct answer is: swords.
D
Explosive eruptions associated with what can be tens of thousands of times as powerful as an atomic bomb?
[ "volcanoes", "forest fires", "hurricanes", "earthquakes" ]
volcanoes
Answer the following multiple-choice question. Question: Explosive eruptions associated with what can be tens of thousands of times as powerful as an atomic bomb? Options: A. volcanoes B. forest fires C. hurricanes D. earthquakes Which option is correct and why?
The correct answer is: volcanoes.
A
A wet globe that is enormous in mass is likely to have a stone
[ "layer", "sun", "brain", "labyrinth" ]
layer
Answer the following multiple-choice question. Question: A wet globe that is enormous in mass is likely to have a stone Options: A. layer B. sun C. brain D. labyrinth Which option is correct and why?
The correct answer is: layer.
A
What kind of muscle cells undergo twitch-type contractions with long refractory periods followed by brief relaxation periods, allowing the heart to fill with blood for the next cycle?
[ "skeletal muscle", "cardiac muscle", "smooth muscle", "nervous muscle" ]
cardiac muscle
Answer the following multiple-choice question. Question: What kind of muscle cells undergo twitch-type contractions with long refractory periods followed by brief relaxation periods, allowing the heart to fill with blood for the next cycle? Options: A. skeletal muscle B. cardiac muscle C. smooth muscle D. nervous musc...
The correct answer is: cardiac muscle.
B
Evolution occurs by what process whereby better-adapted members pass along their traits, according to darwin?
[ "natural change", "spontaneous variation", "natural selection", "organic selection" ]
natural selection
Answer the following multiple-choice question. Question: Evolution occurs by what process whereby better-adapted members pass along their traits, according to darwin? Options: A. natural change B. spontaneous variation C. natural selection D. organic selection Which option is correct and why?
The correct answer is: natural selection.
C
What negatively affects plant life?
[ "toxins", "darkness", "fertilizer", "water", "Pesticides", "Smoking", "Pollution", "sunlight" ]
darkness
Answer the following multiple-choice question. Question: What negatively affects plant life? Options: A. toxins B. darkness C. fertilizer D. water E. Pesticides F. Smoking G. Pollution H. sunlight Which option is correct and why?
The correct answer is: darkness.
B
Silicon with an element that gives it extra electrons is which type of semiconductor?
[ "n-type", "m. Type", "i.g - type", "k. - type" ]
n-type
Answer the following multiple-choice question. Question: Silicon with an element that gives it extra electrons is which type of semiconductor? Options: A. n-type B. m. Type C. i.g - type D. k. - type Which option is correct and why?
The correct answer is: n-type.
A
What was the first widely used antibiotic?
[ "penicillin", "alcohol", "aspirin", "benadryl" ]
penicillin
Answer the following multiple-choice question. Question: What was the first widely used antibiotic? Options: A. penicillin B. alcohol C. aspirin D. benadryl Which option is correct and why?
The correct answer is: penicillin.
A
What term is used to express the measurement of how high land is above sea level?
[ "knots", "distance", "elevation", "latitude" ]
elevation
Answer the following multiple-choice question. Question: What term is used to express the measurement of how high land is above sea level? Options: A. knots B. distance C. elevation D. latitude Which option is correct and why?
The correct answer is: elevation.
C
What is sediment?
[ "alluvial", "Mud", "Broken rocks", "soft soil", "deltas", "Water", "body water", "Clean air" ]
Broken rocks
Answer the following multiple-choice question. Question: What is sediment? Options: A. alluvial B. Mud C. Broken rocks D. soft soil E. deltas F. Water G. body water H. Clean air Which option is correct and why?
The correct answer is: Broken rocks.
C
Signals from rods and cones can follow several different pathways in what structure of the eye?
[ "aperture", "aqueous humor", "retina", "lens" ]
retina
Answer the following multiple-choice question. Question: Signals from rods and cones can follow several different pathways in what structure of the eye? Options: A. aperture B. aqueous humor C. retina D. lens Which option is correct and why?
The correct answer is: retina.
C
What is the common name for a simple harmonic oscillator, which basically consists of a small object suspended on a wire or string?
[ "pendulum", "metronome", "yo-yo", "pendant" ]
pendulum
Answer the following multiple-choice question. Question: What is the common name for a simple harmonic oscillator, which basically consists of a small object suspended on a wire or string? Options: A. pendulum B. metronome C. yo-yo D. pendant Which option is correct and why?
The correct answer is: pendulum.
A
What term refers to patterns of stars seen from earth?
[ "astronomers", "constellations", "astrology", "horoscope" ]
constellations
Answer the following multiple-choice question. Question: What term refers to patterns of stars seen from earth? Options: A. astronomers B. constellations C. astrology D. horoscope Which option is correct and why?
The correct answer is: constellations.
B
Types of compounds include covalent and which other compounds?
[ "solvent", "reactant", "soluble", "ionic" ]
ionic
Answer the following multiple-choice question. Question: Types of compounds include covalent and which other compounds? Options: A. solvent B. reactant C. soluble D. ionic Which option is correct and why?
The correct answer is: ionic.
D
What is the process in which gases are exchanged between the body and the outside air?
[ "metabolism", "ingestion", "respiration", "precipitation" ]
respiration
Answer the following multiple-choice question. Question: What is the process in which gases are exchanged between the body and the outside air? Options: A. metabolism B. ingestion C. respiration D. precipitation Which option is correct and why?
The correct answer is: respiration.
C
What type of blood does the right side of the heart collect and then pump to the lungs?
[ "nitrogen-poor blood", "nitrogen-rich blood", "oxygen-rich blood", "oxygen-poor blood" ]
oxygen-poor blood
Answer the following multiple-choice question. Question: What type of blood does the right side of the heart collect and then pump to the lungs? Options: A. nitrogen-poor blood B. nitrogen-rich blood C. oxygen-rich blood D. oxygen-poor blood Which option is correct and why?
The correct answer is: oxygen-poor blood.
D
What increases in habitats from the poles to the equator?
[ "The number of individuals", "sub-units of species", "the Arctic", "different organisms' numbers", "ice", "biological diversity", "penguins", "heat and light" ]
different organisms' numbers
Answer the following multiple-choice question. Question: What increases in habitats from the poles to the equator? Options: A. The number of individuals B. sub-units of species C. the Arctic D. different organisms' numbers E. ice F. biological diversity G. penguins H. heat and light Which option is correct and why?
The correct answer is: different organisms' numbers.
D
How did lamarck believe species change over time?
[ "inheritance of acquired characteristics", "became larger", "ecological of acquired characteristics", "lose of acquired traits" ]
inheritance of acquired characteristics
Answer the following multiple-choice question. Question: How did lamarck believe species change over time? Options: A. inheritance of acquired characteristics B. became larger C. ecological of acquired characteristics D. lose of acquired traits Which option is correct and why?
The correct answer is: inheritance of acquired characteristics.
A
A cactus stem is used for storing what?
[ "dust", "rain", "excretory", "nutrients", "excretion", "food", "liquid", "ice" ]
liquid
Answer the following multiple-choice question. Question: A cactus stem is used for storing what? Options: A. dust B. rain C. excretory D. nutrients E. excretion F. food G. liquid H. ice Which option is correct and why?
The correct answer is: liquid.
A
If everything else stays the same in a system with a gas in it, and the gas gets warmer, what will happen to its pressure, generally?
[ "it stays the same", "it increases", "it drops", "it's eliminated" ]
it increases
Answer the following multiple-choice question. Question: If everything else stays the same in a system with a gas in it, and the gas gets warmer, what will happen to its pressure, generally? Options: A. it stays the same B. it increases C. it drops D. it's eliminated Which option is correct and why?
The correct answer is: it increases.
B
A pupa creates cocoons in a stage of the life cycle, and eventually the insect will
[ "adjust", "shrink", "burn", "collect" ]
adjust
Answer the following multiple-choice question. Question: A pupa creates cocoons in a stage of the life cycle, and eventually the insect will Options: A. adjust B. shrink C. burn D. collect Which option is correct and why?
The correct answer is: adjust.
A
what causes objects to heat?
[ "the sun", "voltage", "wind", "energy", "photons", "leaves", "Energy.", "Light" ]
leaves
Answer the following multiple-choice question. Question: what causes objects to heat? Options: A. the sun B. voltage C. wind D. energy E. photons F. leaves G. Energy. H. Light Which option is correct and why?
The correct answer is: leaves.
A
How many chambers does the stomach of a crocodile have?
[ "ten", "six", "three", "two" ]
two
Answer the following multiple-choice question. Question: How many chambers does the stomach of a crocodile have? Options: A. ten B. six C. three D. two Which option is correct and why?
The correct answer is: two.
D
What type energy sources emit fewer or no greenhouse gases?
[ "fossil", "animal", "gas", "renewable" ]
renewable
Answer the following multiple-choice question. Question: What type energy sources emit fewer or no greenhouse gases? Options: A. fossil B. animal C. gas D. renewable Which option is correct and why?
The correct answer is: renewable.
D
Winter in the northern hemisphere is occurring on
[ "the day after July 4th", "two days before April 23rd", "the day after November 30th", "the day before Halloween" ]
the day after November 30th
Answer the following multiple-choice question. Question: Winter in the northern hemisphere is occurring on Options: A. the day after July 4th B. two days before April 23rd C. the day after November 30th D. the day before Halloween Which option is correct and why?
The correct answer is: the day after November 30th.
C
What do some animals do in order to reproduce?
[ "Social", "immune", "ligt", "grow", "live", "DNA", "sex", "sing" ]
sing
Answer the following multiple-choice question. Question: What do some animals do in order to reproduce? Options: A. Social B. immune C. ligt D. grow E. live F. DNA G. sex H. sing Which option is correct and why?
The correct answer is: sing.
A
What sound can be heard when sound waves bounce back from a hard object?
[ "boom", "loop", "eerie", "echo" ]
echo
Answer the following multiple-choice question. Question: What sound can be heard when sound waves bounce back from a hard object? Options: A. boom B. loop C. eerie D. echo Which option is correct and why?
The correct answer is: echo.
D
In plants, pigment molecules absorb only visible light for photosynthesis. the visible light seen by humans as white light actually exists in a what?
[ "transparency", "rainbow of colors", "vacuum", "invisible spectrum" ]
rainbow of colors
Answer the following multiple-choice question. Question: In plants, pigment molecules absorb only visible light for photosynthesis. the visible light seen by humans as white light actually exists in a what? Options: A. transparency B. rainbow of colors C. vacuum D. invisible spectrum Which option is correct and why?
The correct answer is: rainbow of colors.
B
Which animal produces more eggs
[ "African Driver Ant", "Humans", "Monkeys", "Goats" ]
African Driver Ant
Answer the following multiple-choice question. Question: Which animal produces more eggs Options: A. African Driver Ant B. Humans C. Monkeys D. Goats Which option is correct and why?
The correct answer is: African Driver Ant.
A
What does weight lifting do?
[ "decreases body muscles", "increases running endurance", "absorb light energy", "Your sensory system picks it up", "provides the body nutrients", "increases a body's strength", "to move people", "faster movement" ]
increases a body's strength
Answer the following multiple-choice question. Question: What does weight lifting do? Options: A. decreases body muscles B. increases running endurance C. absorb light energy D. Your sensory system picks it up E. provides the body nutrients F. increases a body's strength G. to move people H. faster movement Which opt...
The correct answer is: increases a body's strength.
A
What is the condition in which the thyroid gland is overactive is known as?
[ "hypothyroidism", "hyperthyroidism", "susceptibility", "hepatic" ]
hyperthyroidism
Answer the following multiple-choice question. Question: What is the condition in which the thyroid gland is overactive is known as? Options: A. hypothyroidism B. hyperthyroidism C. susceptibility D. hepatic Which option is correct and why?
The correct answer is: hyperthyroidism.
B
To survive living things
[ "need money", "need Pu", "need H2O", "need hunting skills" ]
need H2O
Answer the following multiple-choice question. Question: To survive living things Options: A. need money B. need Pu C. need H2O D. need hunting skills Which option is correct and why?
The correct answer is: need H2O.
C
The ozone layer protects the earth from what?
[ "radio waves", "uv radiation", "light waves", "pollution" ]
uv radiation
Answer the following multiple-choice question. Question: The ozone layer protects the earth from what? Options: A. radio waves B. uv radiation C. light waves D. pollution Which option is correct and why?
The correct answer is: uv radiation.
B
Pluto's orbit is so elliptical that sometimes it is inside the orbit of which planet?
[ "Mars", "Earth", "neptune", "titan" ]
neptune
Answer the following multiple-choice question. Question: Pluto's orbit is so elliptical that sometimes it is inside the orbit of which planet? Options: A. Mars B. Earth C. neptune D. titan Which option is correct and why?
The correct answer is: neptune.
C
Which activity would most increase atmospheric CO2?
[ "gardening", "walking", "speedboat driving", "planting trees" ]
speedboat driving
Answer the following multiple-choice question. Question: Which activity would most increase atmospheric CO2? Options: A. gardening B. walking C. speedboat driving D. planting trees Which option is correct and why?
The correct answer is: speedboat driving.
C
Evaporation can be used to move a solvent apart from:
[ "heat", "Temperature", "Water", "heat energy", "all liquids", "vaporization", "evaporation", "a solute" ]
a solute
Answer the following multiple-choice question. Question: Evaporation can be used to move a solvent apart from: Options: A. heat B. Temperature C. Water D. heat energy E. all liquids F. vaporization G. evaporation H. a solute Which option is correct and why?
The correct answer is: a solute.
A
Green plants known as producers provide basic food supply for what besides themselves?
[ "air", "animals", "minerals", "water" ]
animals
Answer the following multiple-choice question. Question: Green plants known as producers provide basic food supply for what besides themselves? Options: A. air B. animals C. minerals D. water Which option is correct and why?
The correct answer is: animals.
B
What type of galaxies are oval shaped, red or yellow, and contain mostly old stars?
[ "mutant ellipses", "typical elliptical", "unique elliptical", "ovoid anomalies" ]
typical elliptical
Answer the following multiple-choice question. Question: What type of galaxies are oval shaped, red or yellow, and contain mostly old stars? Options: A. mutant ellipses B. typical elliptical C. unique elliptical D. ovoid anomalies Which option is correct and why?
The correct answer is: typical elliptical.
B
what kind of circulatory system can some segmented animals have?
[ "organ", "insects", "made", "warm", "three", "complex", "closed", "epidermal" ]
closed
Answer the following multiple-choice question. Question: what kind of circulatory system can some segmented animals have? Options: A. organ B. insects C. made D. warm E. three F. complex G. closed H. epidermal Which option is correct and why?
The correct answer is: closed.
A
What is used to measure, in degrees, the distance north or south of the equater?
[ "equator", "latitude", "magnitude", "elevation" ]
latitude
Answer the following multiple-choice question. Question: What is used to measure, in degrees, the distance north or south of the equater? Options: A. equator B. latitude C. magnitude D. elevation Which option is correct and why?
The correct answer is: latitude.
B
Exemplified by canada and alaska, what kind of climate has cool, short summers and long, cold winters, little precipitation, and abundant conifers?
[ "droughts climate", "subarctic climate", "temperate climate", "tropical climate" ]
subarctic climate
Answer the following multiple-choice question. Question: Exemplified by canada and alaska, what kind of climate has cool, short summers and long, cold winters, little precipitation, and abundant conifers? Options: A. droughts climate B. subarctic climate C. temperate climate D. tropical climate Which option is correc...
The correct answer is: subarctic climate.
B
Some living things on the ocean floor are sources of what human necessity?
[ "hormones", "pesticides", "medicines", "steroids" ]
medicines
Answer the following multiple-choice question. Question: Some living things on the ocean floor are sources of what human necessity? Options: A. hormones B. pesticides C. medicines D. steroids Which option is correct and why?
The correct answer is: medicines.
C
Which of the following likely make up a path for electrical energy to travel to a device?
[ "steel or copper", "rice or beans", "peaches or cream", "cotton and solar" ]
steel or copper
Answer the following multiple-choice question. Question: Which of the following likely make up a path for electrical energy to travel to a device? Options: A. steel or copper B. rice or beans C. peaches or cream D. cotton and solar Which option is correct and why?
The correct answer is: steel or copper.
A
Translucent matter is matter that transmits and does what else to light?
[ "condenses", "scatters", "reflects", "absorbs" ]
scatters
Answer the following multiple-choice question. Question: Translucent matter is matter that transmits and does what else to light? Options: A. condenses B. scatters C. reflects D. absorbs Which option is correct and why?
The correct answer is: scatters.
B
If a tree falls then it is what?
[ "alive", "expired", "lush", "growing" ]
expired
Answer the following multiple-choice question. Question: If a tree falls then it is what? Options: A. alive B. expired C. lush D. growing Which option is correct and why?
The correct answer is: expired.
B
An example of a variable relating to the ramp is its what?
[ "mass", "steepness", "weight", "color" ]
steepness
Answer the following multiple-choice question. Question: An example of a variable relating to the ramp is its what? Options: A. mass B. steepness C. weight D. color Which option is correct and why?
The correct answer is: steepness.
B
Why would something appear blue?
[ "it reflects the same wavelength as fire", "it reflects the same wavelength as coal", "it reflects the same wavelength as the sun", "it reflects the same wavelength as the sea" ]
it reflects the same wavelength as the sea
Answer the following multiple-choice question. Question: Why would something appear blue? Options: A. it reflects the same wavelength as fire B. it reflects the same wavelength as coal C. it reflects the same wavelength as the sun D. it reflects the same wavelength as the sea Which option is correct and why?
The correct answer is: it reflects the same wavelength as the sea.
D
If a see through thing is multifaceted, it is most likely
[ "a ball", "an apple", "a silver globe", "a quartz square" ]
a quartz square
Answer the following multiple-choice question. Question: If a see through thing is multifaceted, it is most likely Options: A. a ball B. an apple C. a silver globe D. a quartz square Which option is correct and why?
The correct answer is: a quartz square.
D
What is another term for all eukaryotic organisms that are neither animals, nor plants, nor fungi?
[ "paramecium", "prokaryotes", "arthropods", "protists" ]
protists
Answer the following multiple-choice question. Question: What is another term for all eukaryotic organisms that are neither animals, nor plants, nor fungi? Options: A. paramecium B. prokaryotes C. arthropods D. protists Which option is correct and why?
The correct answer is: protists.
D
As adults, amphibians are completely _______, meaning they feed on other animals.
[ "carnivorous", "herbivorous", "monogamous", "omnivorous" ]
carnivorous
Answer the following multiple-choice question. Question: As adults, amphibians are completely _______, meaning they feed on other animals. Options: A. carnivorous B. herbivorous C. monogamous D. omnivorous Which option is correct and why?
The correct answer is: carnivorous.
A
What is an example of something that pathogens cause?
[ "influenza", "Measles", "bacteria", "smallpox", "Broken leg", "viruses", "Concussion", "Forgetfulness" ]
Measles
Answer the following multiple-choice question. Question: What is an example of something that pathogens cause? Options: A. influenza B. Measles C. bacteria D. smallpox E. Broken leg F. viruses G. Concussion H. Forgetfulness Which option is correct and why?
The correct answer is: Measles.
B
what requires electrical energy to function?
[ "vehicles", "h2o", "oxygen", "Something to move", "critical organs", "carbon", "nervous system", "lie detectors" ]
lie detectors
Answer the following multiple-choice question. Question: what requires electrical energy to function? Options: A. vehicles B. h2o C. oxygen D. Something to move E. critical organs F. carbon G. nervous system H. lie detectors Which option is correct and why?
The correct answer is: lie detectors.
A
What can chordates go through?
[ "disease", "loss", "skin", "alveoli", "death", "painful", "shock", "illness" ]
shock
Answer the following multiple-choice question. Question: What can chordates go through? Options: A. disease B. loss C. skin D. alveoli E. death F. painful G. shock H. illness Which option is correct and why?
The correct answer is: shock.
A
What can cause something to have a change of state?
[ "smell", "death", "size", "forces", "sweat", "fever", "color", "heat" ]
heat
Answer the following multiple-choice question. Question: What can cause something to have a change of state? Options: A. smell B. death C. size D. forces E. sweat F. fever G. color H. heat Which option is correct and why?
The correct answer is: heat.
A
What is the major cause of chronic respiratory disease as well as cardiovascular disease and cancer?
[ "drinking", "exercise", "smoking", "diet" ]
smoking
Answer the following multiple-choice question. Question: What is the major cause of chronic respiratory disease as well as cardiovascular disease and cancer? Options: A. drinking B. exercise C. smoking D. diet Which option is correct and why?
The correct answer is: smoking.
C
What length of time is human gestation commonly divided into?
[ "four quarters", "two halves", "fifty weeks", "three trimesters" ]
three trimesters
Answer the following multiple-choice question. Question: What length of time is human gestation commonly divided into? Options: A. four quarters B. two halves C. fifty weeks D. three trimesters Which option is correct and why?
The correct answer is: three trimesters.
D
Smoking increases the risk of cancer from what radioactive gas that can also be detected with a test kit for your home?
[ "radon", "carbon dioxide", "carbon monoxide", "arsenic" ]
radon
Answer the following multiple-choice question. Question: Smoking increases the risk of cancer from what radioactive gas that can also be detected with a test kit for your home? Options: A. radon B. carbon dioxide C. carbon monoxide D. arsenic Which option is correct and why?
The correct answer is: radon.
A
What are the main organs for breathing in a mammal?
[ "gills", "intestines", "nostrils", "lungs" ]
lungs
Answer the following multiple-choice question. Question: What are the main organs for breathing in a mammal? Options: A. gills B. intestines C. nostrils D. lungs Which option is correct and why?
The correct answer is: lungs.
D
Aquatic biomes in the ocean are called what?
[ "marine biomes", "jungle biomes", "artificial biomes", "arid biomes" ]
marine biomes
Answer the following multiple-choice question. Question: Aquatic biomes in the ocean are called what? Options: A. marine biomes B. jungle biomes C. artificial biomes D. arid biomes Which option is correct and why?
The correct answer is: marine biomes.
A
A footprint in a rock may have been from
[ "new rock formation", "a random break", "an optical illusion", "very long ago" ]
very long ago
Answer the following multiple-choice question. Question: A footprint in a rock may have been from Options: A. new rock formation B. a random break C. an optical illusion D. very long ago Which option is correct and why?
The correct answer is: very long ago.
D
What do you call a system that has one or more planets orbiting one or more stars?
[ "galaxy", "atom", "molecular system", "solar system" ]
solar system
Answer the following multiple-choice question. Question: What do you call a system that has one or more planets orbiting one or more stars? Options: A. galaxy B. atom C. molecular system D. solar system Which option is correct and why?
The correct answer is: solar system.
D
What small glands are abundant within the mucous membranes of the mouth and tongue?
[ "salivary glands", "retinal glands", "hypothalamus glands", "localized glands" ]
salivary glands
Answer the following multiple-choice question. Question: What small glands are abundant within the mucous membranes of the mouth and tongue? Options: A. salivary glands B. retinal glands C. hypothalamus glands D. localized glands Which option is correct and why?
The correct answer is: salivary glands.
A
Are cnidarians typically found in ocean or fresh water habitats?
[ "rivers", "ocean", "freshwater", "lakes" ]
ocean
Answer the following multiple-choice question. Question: Are cnidarians typically found in ocean or fresh water habitats? Options: A. rivers B. ocean C. freshwater D. lakes Which option is correct and why?
The correct answer is: ocean.
B
where does soil come from?
[ "fields", "magma", "earth", "rocks", "volcanoes", "crust", "down", "water" ]
rocks
Answer the following multiple-choice question. Question: where does soil come from? Options: A. fields B. magma C. earth D. rocks E. volcanoes F. crust G. down H. water Which option is correct and why?
The correct answer is: rocks.
D
A way for an octopus to evade predators is to
[ "befriend the predator", "emulate a rock", "swim around", "bury itself underground" ]
emulate a rock
Answer the following multiple-choice question. Question: A way for an octopus to evade predators is to Options: A. befriend the predator B. emulate a rock C. swim around D. bury itself underground Which option is correct and why?
The correct answer is: emulate a rock.
B
what makes the ground shake?
[ "after too much water received", "movement of tectonic plates", "At the peak of a mountain", "a hemisphere is tilted away from the sun", "exposure to cold", "clouds", "soil", "the sun" ]
movement of tectonic plates
Answer the following multiple-choice question. Question: what makes the ground shake? Options: A. after too much water received B. movement of tectonic plates C. At the peak of a mountain D. a hemisphere is tilted away from the sun E. exposure to cold F. clouds G. soil H. the sun Which option is correct and why?
The correct answer is: movement of tectonic plates.
B
What comes from lifting heavy weights?
[ "sizing", "Dehydration", "kinetic energy", "contracting", "Energy", "forces", "destroying", "embellishing" ]
contracting
Answer the following multiple-choice question. Question: What comes from lifting heavy weights? Options: A. sizing B. Dehydration C. kinetic energy D. contracting E. Energy F. forces G. destroying H. embellishing Which option is correct and why?
The correct answer is: contracting.
D
Why do birds need a light-weight body?
[ "to stay aloft", "food shortages", "water flotation", "for cooling" ]
to stay aloft
Answer the following multiple-choice question. Question: Why do birds need a light-weight body? Options: A. to stay aloft B. food shortages C. water flotation D. for cooling Which option is correct and why?
The correct answer is: to stay aloft.
A
The ovaries produce estradiol and progesterone, which cause secondary sex characteristics and prepare the body for?
[ "breathing", "movement", "childbirth", "adulthood" ]
childbirth
Answer the following multiple-choice question. Question: The ovaries produce estradiol and progesterone, which cause secondary sex characteristics and prepare the body for? Options: A. breathing B. movement C. childbirth D. adulthood Which option is correct and why?
The correct answer is: childbirth.
C
What is the term for the use of radioactive decay to estimate the ages of fossils and rock?
[ "radioactive dating", "isotope test", "microwave theory", "radioactive illustrating" ]
radioactive dating
Answer the following multiple-choice question. Question: What is the term for the use of radioactive decay to estimate the ages of fossils and rock? Options: A. radioactive dating B. isotope test C. microwave theory D. radioactive illustrating Which option is correct and why?
The correct answer is: radioactive dating.
A
what exhibits phototropism?
[ "fens", "daisies", "grass", "landscapes", "Conifers", "vegetation", "potatoes", "newsprint" ]
daisies
Answer the following multiple-choice question. Question: what exhibits phototropism? Options: A. fens B. daisies C. grass D. landscapes E. Conifers F. vegetation G. potatoes H. newsprint Which option is correct and why?
The correct answer is: daisies.
B
Fish hatch into larvae that are different from the adult form of?
[ "species", "parasites", "color", "sex" ]
species
Answer the following multiple-choice question. Question: Fish hatch into larvae that are different from the adult form of? Options: A. species B. parasites C. color D. sex Which option is correct and why?
The correct answer is: species.
A
Where in a cell are ribosomes located?
[ "outside the nucleus", "Most plants", "solid, liquid, gas", "allow growth", "Veins and arteries.", "Earth orbiting the Sun", "Chlorophyll", "the body's largest organ" ]
outside the nucleus
Answer the following multiple-choice question. Question: Where in a cell are ribosomes located? Options: A. outside the nucleus B. Most plants C. solid, liquid, gas D. allow growth E. Veins and arteries. F. Earth orbiting the Sun G. Chlorophyll H. the body's largest organ Which option is correct and why?
The correct answer is: outside the nucleus.
A
What are fungus-like protists?
[ "viruses", "molds", "bacteria", "feces" ]
molds
Answer the following multiple-choice question. Question: What are fungus-like protists? Options: A. viruses B. molds C. bacteria D. feces Which option is correct and why?
The correct answer is: molds.
B
A mammal usually nurses its what?
[ "parents", "ears", "head", "younglings" ]
younglings
Answer the following multiple-choice question. Question: A mammal usually nurses its what? Options: A. parents B. ears C. head D. younglings Which option is correct and why?
The correct answer is: younglings.
D
What bonds cause H2O to expand when freezing?
[ "Covalent", "Hydrogen", "Metallic", "an ion", "Heat energy", "Ionic", "heat", "an anion" ]
Hydrogen
Answer the following multiple-choice question. Question: What bonds cause H2O to expand when freezing? Options: A. Covalent B. Hydrogen C. Metallic D. an ion E. Heat energy F. Ionic G. heat H. an anion Which option is correct and why?
The correct answer is: Hydrogen.
B
Which parts do female duckbill platypus lack?
[ "uterus and vagina", "Chlorophyll", "Epidermis", "a cuticle", "epidermis and dermis", "four limbs", "fur and fat", "critical organs" ]
uterus and vagina
Answer the following multiple-choice question. Question: Which parts do female duckbill platypus lack? Options: A. uterus and vagina B. Chlorophyll C. Epidermis D. a cuticle E. epidermis and dermis F. four limbs G. fur and fat H. critical organs Which option is correct and why?
The correct answer is: uterus and vagina.
A
Vectors along the same line can be what to one another like ordinary numbers?
[ "added", "noted", "taken", "lost" ]
added
Answer the following multiple-choice question. Question: Vectors along the same line can be what to one another like ordinary numbers? Options: A. added B. noted C. taken D. lost Which option is correct and why?
The correct answer is: added.
A
In a strong tempest, a large boulder may be
[ "broken", "smoothed", "sharpened", "stained" ]
smoothed
Answer the following multiple-choice question. Question: In a strong tempest, a large boulder may be Options: A. broken B. smoothed C. sharpened D. stained Which option is correct and why?
The correct answer is: smoothed.
B
What increases in concentration when water evaporates?
[ "nektar", "sugar", "sweat", "salt", "potash", "Gases", "maples", "energy" ]
salt
Answer the following multiple-choice question. Question: What increases in concentration when water evaporates? Options: A. nektar B. sugar C. sweat D. salt E. potash F. Gases G. maples H. energy Which option is correct and why?
The correct answer is: salt.
D
What map shows the locations of several genes on the x chromosome?
[ "The allelic map", "The genomic map", "the linkage map", "the component map" ]
the linkage map
Answer the following multiple-choice question. Question: What map shows the locations of several genes on the x chromosome? Options: A. The allelic map B. The genomic map C. the linkage map D. the component map Which option is correct and why?
The correct answer is: the linkage map.
C
What can cause death?
[ "carcinogens", "rivalry", "smoking tobacco", "Heavy rains", "happiness", "treatment", "Pesticides", "high temperature" ]
carcinogens
Answer the following multiple-choice question. Question: What can cause death? Options: A. carcinogens B. rivalry C. smoking tobacco D. Heavy rains E. happiness F. treatment G. Pesticides H. high temperature Which option is correct and why?
The correct answer is: carcinogens.
A
What happens to an animal's telomeres as it ages?
[ "multiply", "divide", "shorten", "lengthen" ]
shorten
Answer the following multiple-choice question. Question: What happens to an animal's telomeres as it ages? Options: A. multiply B. divide C. shorten D. lengthen Which option is correct and why?
The correct answer is: shorten.
C
What type of scale is the richter scale?
[ "dimensional", "asymmetric", "algorithmic", "logarithmic" ]
logarithmic
Answer the following multiple-choice question. Question: What type of scale is the richter scale? Options: A. dimensional B. asymmetric C. algorithmic D. logarithmic Which option is correct and why?
The correct answer is: logarithmic.
D
The shape of the path of an object undergoing projectile motion is called?
[ "a triangle", "spherical", "linear", "a parabola" ]
a parabola
Answer the following multiple-choice question. Question: The shape of the path of an object undergoing projectile motion is called? Options: A. a triangle B. spherical C. linear D. a parabola Which option is correct and why?
The correct answer is: a parabola.
D
A person wants to take their dog to the park as long as there is a lack of precipitation that day. After checking the weather channel, plans are canceled when it is announced that it will
[ "be sunny", "sprinkle", "be humid", "be windy" ]
sprinkle
Answer the following multiple-choice question. Question: A person wants to take their dog to the park as long as there is a lack of precipitation that day. After checking the weather channel, plans are canceled when it is announced that it will Options: A. be sunny B. sprinkle C. be humid D. be windy Which option is ...
The correct answer is: sprinkle.
B
If I wanted to make something move faster I could
[ "slow it down", "stomp on it", "stop it", "roll it" ]
roll it
Answer the following multiple-choice question. Question: If I wanted to make something move faster I could Options: A. slow it down B. stomp on it C. stop it D. roll it Which option is correct and why?
The correct answer is: roll it.
D
Sweat is produced
[ "when sleeping peacefully at night", "when on a long jog in sweltering weather", "when sitting in a recliner in an air conditioned house", "when sitting on the front porch on a breezy day" ]
when on a long jog in sweltering weather
Answer the following multiple-choice question. Question: Sweat is produced Options: A. when sleeping peacefully at night B. when on a long jog in sweltering weather C. when sitting in a recliner in an air conditioned house D. when sitting on the front porch on a breezy day Which option is correct and why?
The correct answer is: when on a long jog in sweltering weather.
B
What is the plane that divides the body or an organ vertically into right and left sides?
[ "median plane", "parasagittal plane", "anatomical plane", "sagittal plane" ]
sagittal plane
Answer the following multiple-choice question. Question: What is the plane that divides the body or an organ vertically into right and left sides? Options: A. median plane B. parasagittal plane C. anatomical plane D. sagittal plane Which option is correct and why?
The correct answer is: sagittal plane.
D
what does a radio convert into vibrations?
[ "flow of protons", "Heart rate", "h2o", "encoded information", "Loud noises", "flow of electrons?", "television", "Through play" ]
flow of electrons?
Answer the following multiple-choice question. Question: what does a radio convert into vibrations? Options: A. flow of protons B. Heart rate C. h2o D. encoded information E. Loud noises F. flow of electrons? G. television H. Through play Which option is correct and why?
The correct answer is: flow of electrons?.
A
What units are typically used to measure heats of reaction?
[ "kilobytes", "volts", "degrees Celsius", "kilojoules" ]
kilojoules
Answer the following multiple-choice question. Question: What units are typically used to measure heats of reaction? Options: A. kilobytes B. volts C. degrees Celsius D. kilojoules Which option is correct and why?
The correct answer is: kilojoules.
D
What is a process where some substances called reactants change chemically into different substances called products?
[ "crystals reaction", "non-chemical reaction", "chemical reaction", "carbon reaction" ]
chemical reaction
Answer the following multiple-choice question. Question: What is a process where some substances called reactants change chemically into different substances called products? Options: A. crystals reaction B. non-chemical reaction C. chemical reaction D. carbon reaction Which option is correct and why?
The correct answer is: chemical reaction.
C
Asteriods are often pulled into the planet Jupiter by what force?
[ "heat", "kalenchoes", "energy", "power", "strong nuclear force", "Gravity", "Air Force", "centrifugal force" ]
Gravity
Answer the following multiple-choice question. Question: Asteriods are often pulled into the planet Jupiter by what force? Options: A. heat B. kalenchoes C. energy D. power E. strong nuclear force F. Gravity G. Air Force H. centrifugal force Which option is correct and why?
The correct answer is: Gravity.
A
What can cycles of freezing and thawing water cause this type of weathering?
[ "flooding", "rivers", "loose soil", "calcite", "Sediment", "Metling snow", "Winter", "mechanical" ]
mechanical
Answer the following multiple-choice question. Question: What can cycles of freezing and thawing water cause this type of weathering? Options: A. flooding B. rivers C. loose soil D. calcite E. Sediment F. Metling snow G. Winter H. mechanical Which option is correct and why?
The correct answer is: mechanical.
A
What is the name of the simplest carbon molecule?
[ "Buckminsterfullerine", "graphite", "methane", "butane" ]
methane
Answer the following multiple-choice question. Question: What is the name of the simplest carbon molecule? Options: A. Buckminsterfullerine B. graphite C. methane D. butane Which option is correct and why?
The correct answer is: methane.
C
What theory proposes that microorganisms are the cause of many diseases?
[ "mutated theory", "evolution theory", "malignant theory", "germ theory" ]
germ theory
Answer the following multiple-choice question. Question: What theory proposes that microorganisms are the cause of many diseases? Options: A. mutated theory B. evolution theory C. malignant theory D. germ theory Which option is correct and why?
The correct answer is: germ theory.
D
What is another word for saturated hydrocarbons?
[ "aldehydes", "catalysts", "enzymes", "alkanes" ]
alkanes
Answer the following multiple-choice question. Question: What is another word for saturated hydrocarbons? Options: A. aldehydes B. catalysts C. enzymes D. alkanes Which option is correct and why?
The correct answer is: alkanes.
D