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Plants can conserve water in order to survive where?
[ "our planet", "in a vacuum", "in the desert", "Earth's atmosphere", "In the winter", "in a laboratory", "on the moon", "forest is destroyed" ]
in the desert
Answer the following multiple-choice question. Question: Plants can conserve water in order to survive where? Options: A. our planet B. in a vacuum C. in the desert D. Earth's atmosphere E. In the winter F. in a laboratory G. on the moon H. forest is destroyed Which option is correct and why?
The correct answer is: in the desert.
C
Triggering a blink when something touches the surface of the eye, the corneal reflex is what type of reflex?
[ "dendritic", "sensory", "orgasmic", "somatic" ]
somatic
Answer the following multiple-choice question. Question: Triggering a blink when something touches the surface of the eye, the corneal reflex is what type of reflex? Options: A. dendritic B. sensory C. orgasmic D. somatic Which option is correct and why?
The correct answer is: somatic.
D
What biochemicals mediate changes in target cells by binding to specific receptors?
[ "amino acids", "enzymes", "acids", "hormones" ]
hormones
Answer the following multiple-choice question. Question: What biochemicals mediate changes in target cells by binding to specific receptors? Options: A. amino acids B. enzymes C. acids D. hormones Which option is correct and why?
The correct answer is: hormones.
D
What are composed of alternating positive and negative ions?
[ "radioactive substances", "magnetic crystals", "polar bonds", "ionic crystals" ]
ionic crystals
Answer the following multiple-choice question. Question: What are composed of alternating positive and negative ions? Options: A. radioactive substances B. magnetic crystals C. polar bonds D. ionic crystals Which option is correct and why?
The correct answer is: ionic crystals.
D
What does rain do to plants?
[ "major threat to health", "They may not survive.", "massive damage", "Pollinates them easier", "Turns the leaves brown", "Helps it thrive", "Attract birds and plants", "Regrows it" ]
Helps it thrive
Answer the following multiple-choice question. Question: What does rain do to plants? Options: A. major threat to health B. They may not survive. C. massive damage D. Pollinates them easier E. Turns the leaves brown F. Helps it thrive G. Attract birds and plants H. Regrows it Which option is correct and why?
The correct answer is: Helps it thrive.
A
Most salamanders find mates by what?
[ "perceiving odors", "Chemical energy", "competing for resources", "releasing colors", "mechanical waves", "during the day", "spreading germs", "sharing food" ]
perceiving odors
Answer the following multiple-choice question. Question: Most salamanders find mates by what? Options: A. perceiving odors B. Chemical energy C. competing for resources D. releasing colors E. mechanical waves F. during the day G. spreading germs H. sharing food Which option is correct and why?
The correct answer is: perceiving odors.
A
A way in which humans may cause pollution to the environment is
[ "using bug killer on crops", "avoiding spilling oil into oceans", "placing plastics in special containers", "making laws against littering" ]
using bug killer on crops
Answer the following multiple-choice question. Question: A way in which humans may cause pollution to the environment is Options: A. using bug killer on crops B. avoiding spilling oil into oceans C. placing plastics in special containers D. making laws against littering Which option is correct and why?
The correct answer is: using bug killer on crops.
A
Through which process does water from the oceans enter the atmosphere?
[ "perspiration", "evaporation", "absorption", "oxidation" ]
evaporation
Answer the following multiple-choice question. Question: Through which process does water from the oceans enter the atmosphere? Options: A. perspiration B. evaporation C. absorption D. oxidation Which option is correct and why?
The correct answer is: evaporation.
B
Rock that has been metamorphosed will have potentially withstood this to get to that point
[ "old trees", "small mice", "large exertions", "big sneezes" ]
large exertions
Answer the following multiple-choice question. Question: Rock that has been metamorphosed will have potentially withstood this to get to that point Options: A. old trees B. small mice C. large exertions D. big sneezes Which option is correct and why?
The correct answer is: large exertions.
C
What can cancer have?
[ "nucleus of a cell", "a lot of human deaths", "Short term wealth", "decreased differentiation", "Positive impact", "death and devastation", "Negative impact on survival", "children" ]
Negative impact on survival
Answer the following multiple-choice question. Question: What can cancer have? Options: A. nucleus of a cell B. a lot of human deaths C. Short term wealth D. decreased differentiation E. Positive impact F. death and devastation G. Negative impact on survival H. children Which option is correct and why?
The correct answer is: Negative impact on survival.
A
Where do lancelets live?
[ "deep sea caves", "on land", "shallow ocean water", "riverbeds" ]
shallow ocean water
Answer the following multiple-choice question. Question: Where do lancelets live? Options: A. deep sea caves B. on land C. shallow ocean water D. riverbeds Which option is correct and why?
The correct answer is: shallow ocean water.
C
Most biochemical molecules are macromolecules, meaning that they are what?
[ "very large", "very dense", "very abundant", "very small" ]
very large
Answer the following multiple-choice question. Question: Most biochemical molecules are macromolecules, meaning that they are what? Options: A. very large B. very dense C. very abundant D. very small Which option is correct and why?
The correct answer is: very large.
A
Erosion can
[ "Give me a hair cut", "Create a beautiful painting", "turn a statue to dust", "Clean my car windows" ]
turn a statue to dust
Answer the following multiple-choice question. Question: Erosion can Options: A. Give me a hair cut B. Create a beautiful painting C. turn a statue to dust D. Clean my car windows Which option is correct and why?
The correct answer is: turn a statue to dust.
C
what does intense heat have a negative impact on?
[ "plants and animals", "Males and females", "the sun", "h2o", "oxygen", "genetic diversity", "Abnormal cell growth", "Endocrine system" ]
plants and animals
Answer the following multiple-choice question. Question: what does intense heat have a negative impact on? Options: A. plants and animals B. Males and females C. the sun D. h2o E. oxygen F. genetic diversity G. Abnormal cell growth H. Endocrine system Which option is correct and why?
The correct answer is: plants and animals.
A
Beryllium, magnesium, calcium, strontium, and barium are classified as what type of metals?
[ "alkaline aligned metals", "acid earth metals", "alkaline earth metals", "alkaline support metals" ]
alkaline earth metals
Answer the following multiple-choice question. Question: Beryllium, magnesium, calcium, strontium, and barium are classified as what type of metals? Options: A. alkaline aligned metals B. acid earth metals C. alkaline earth metals D. alkaline support metals Which option is correct and why?
The correct answer is: alkaline earth metals.
C
Restriction enzymes or restriction endonucleases are prokaryotic enzymes that recognize and cut what at specific sequences?
[ "rna", "mitochondria", "dna", "bacteria" ]
dna
Answer the following multiple-choice question. Question: Restriction enzymes or restriction endonucleases are prokaryotic enzymes that recognize and cut what at specific sequences? Options: A. rna B. mitochondria C. dna D. bacteria Which option is correct and why?
The correct answer is: dna.
C
What is corrosive mixture is formulated by the combination of water, air and sulfur?
[ "hydrochloric acid", "nitric acid", "sulfuric acid", "sulfuric water" ]
sulfuric acid
Answer the following multiple-choice question. Question: What is corrosive mixture is formulated by the combination of water, air and sulfur? Options: A. hydrochloric acid B. nitric acid C. sulfuric acid D. sulfuric water Which option is correct and why?
The correct answer is: sulfuric acid.
C
What forms when molecules react with one another?
[ "biochemistry", "Chemical energy", "Energy.", "atoms", "chemical bonds", "elements", "flow of electrons", "Organic compounds" ]
chemical bonds
Answer the following multiple-choice question. Question: What forms when molecules react with one another? Options: A. biochemistry B. Chemical energy C. Energy. D. atoms E. chemical bonds F. elements G. flow of electrons H. Organic compounds Which option is correct and why?
The correct answer is: chemical bonds.
E
Caribbean natives have a dark skin tone do to
[ "unicorns", "solar radiation", "lack of nutrients", "camouflage" ]
solar radiation
Answer the following multiple-choice question. Question: Caribbean natives have a dark skin tone do to Options: A. unicorns B. solar radiation C. lack of nutrients D. camouflage Which option is correct and why?
The correct answer is: solar radiation.
B
What are unsaturated hydrocarbons with at least one triple bond between carbon atoms?
[ "amines", "ketones", "lipids", "alkynes" ]
alkynes
Answer the following multiple-choice question. Question: What are unsaturated hydrocarbons with at least one triple bond between carbon atoms? Options: A. amines B. ketones C. lipids D. alkynes Which option is correct and why?
The correct answer is: alkynes.
D
The law of conservation of matter, which says that matter cannot be created or this?
[ "stopped", "destroyed", "damaged", "abandoned" ]
destroyed
Answer the following multiple-choice question. Question: The law of conservation of matter, which says that matter cannot be created or this? Options: A. stopped B. destroyed C. damaged D. abandoned Which option is correct and why?
The correct answer is: destroyed.
B
What is an important survival trait?
[ "food and shelter", "Endocrine system", "apathy", "laziness", "hormones", "hibernation", "vanity", "health" ]
hibernation
Answer the following multiple-choice question. Question: What is an important survival trait? Options: A. food and shelter B. Endocrine system C. apathy D. laziness E. hormones F. hibernation G. vanity H. health Which option is correct and why?
The correct answer is: hibernation.
A
A mutation in what of a parent can cause children to look very different from their parents?
[ "chromosomes", "sex cells", "fur and fat", "coded genes", "hormones", "sperm", "epidermal", "Enzymes" ]
sex cells
Answer the following multiple-choice question. Question: A mutation in what of a parent can cause children to look very different from their parents? Options: A. chromosomes B. sex cells C. fur and fat D. coded genes E. hormones F. sperm G. epidermal H. Enzymes Which option is correct and why?
The correct answer is: sex cells.
B
An arid region has very little
[ "rocks", "heat", "food", "sand" ]
food
Answer the following multiple-choice question. Question: An arid region has very little Options: A. rocks B. heat C. food D. sand Which option is correct and why?
The correct answer is: food.
C
What characteristic of particles determines how they are carried by flowing water?
[ "density", "texture", "color", "size" ]
size
Answer the following multiple-choice question. Question: What characteristic of particles determines how they are carried by flowing water? Options: A. density B. texture C. color D. size Which option is correct and why?
The correct answer is: size.
D
What does the geiger counter detect?
[ "vibration", "radiation", "moisture", "convection" ]
radiation
Answer the following multiple-choice question. Question: What does the geiger counter detect? Options: A. vibration B. radiation C. moisture D. convection Which option is correct and why?
The correct answer is: radiation.
B
What do you call a predator species that affects other species' populations when its own population size changes?
[ "paradox species", "symbiotic species", "keystone species", "complement species" ]
keystone species
Answer the following multiple-choice question. Question: What do you call a predator species that affects other species' populations when its own population size changes? Options: A. paradox species B. symbiotic species C. keystone species D. complement species Which option is correct and why?
The correct answer is: keystone species.
C
Which gases trap heat in the atmosphere?
[ "methane and helium", "fluorine and nitrogen", "greenhouse", "ozone" ]
greenhouse
Answer the following multiple-choice question. Question: Which gases trap heat in the atmosphere? Options: A. methane and helium B. fluorine and nitrogen C. greenhouse D. ozone Which option is correct and why?
The correct answer is: greenhouse.
C
Zinc is what kind of metal.?
[ "active transition metal", "active move metal", "active flow metal", "passive stagnant metal" ]
active transition metal
Answer the following multiple-choice question. Question: Zinc is what kind of metal.? Options: A. active transition metal B. active move metal C. active flow metal D. passive stagnant metal Which option is correct and why?
The correct answer is: active transition metal.
A
What type of organism is a bacteria?
[ "paramecium", "single-celled prokaryotic", "fungi", "multicellular organism" ]
single-celled prokaryotic
Answer the following multiple-choice question. Question: What type of organism is a bacteria? Options: A. paramecium B. single-celled prokaryotic C. fungi D. multicellular organism Which option is correct and why?
The correct answer is: single-celled prokaryotic.
B
What does a plant require to grow?
[ "Enzymes", "sodium", "Pesticides", "Plantations", "Farmers", "sugar", "H 2 O", "photons" ]
H 2 O
Answer the following multiple-choice question. Question: What does a plant require to grow? Options: A. Enzymes B. sodium C. Pesticides D. Plantations E. Farmers F. sugar G. H 2 O H. photons Which option is correct and why?
The correct answer is: H 2 O.
A
Which is more likely to be able to develop?
[ "an egg under water", "an egg near a light bulb", "an egg in the arctic", "an egg in a freezer" ]
an egg near a light bulb
Answer the following multiple-choice question. Question: Which is more likely to be able to develop? Options: A. an egg under water B. an egg near a light bulb C. an egg in the arctic D. an egg in a freezer Which option is correct and why?
The correct answer is: an egg near a light bulb.
B
what is a disease in which cells divide out of control?
[ "AIDS", "fever", "mitosis", "cigarettes", "diseased cells", "leukemia", "Smoking", "parasites" ]
leukemia
Answer the following multiple-choice question. Question: what is a disease in which cells divide out of control? Options: A. AIDS B. fever C. mitosis D. cigarettes E. diseased cells F. leukemia G. Smoking H. parasites Which option is correct and why?
The correct answer is: leukemia.
A
semi-arid climates have plants that are able to do what with water
[ "be flooded by", "growth", "store", "transpire", "survive", "adapt", "float in", "grow" ]
store
Answer the following multiple-choice question. Question: semi-arid climates have plants that are able to do what with water Options: A. be flooded by B. growth C. store D. transpire E. survive F. adapt G. float in H. grow Which option is correct and why?
The correct answer is: store.
C
What are the mass of threadlike filaments on the body of a fungus called?
[ "hyphae", "cuticle", "cytoplasm", "dendrites" ]
hyphae
Answer the following multiple-choice question. Question: What are the mass of threadlike filaments on the body of a fungus called? Options: A. hyphae B. cuticle C. cytoplasm D. dendrites Which option is correct and why?
The correct answer is: hyphae.
A
In science, what do we call a mathematical relationship that exists between observations under a given set of conditions?
[ "idea", "law", "fact", "theory" ]
law
Answer the following multiple-choice question. Question: In science, what do we call a mathematical relationship that exists between observations under a given set of conditions? Options: A. idea B. law C. fact D. theory Which option is correct and why?
The correct answer is: law.
B
The dual character is critical for the formation of the what?
[ "muscle bilayer", "lipid bilayer", "tissues bilayer", "carbon bilayer" ]
lipid bilayer
Answer the following multiple-choice question. Question: The dual character is critical for the formation of the what? Options: A. muscle bilayer B. lipid bilayer C. tissues bilayer D. carbon bilayer Which option is correct and why?
The correct answer is: lipid bilayer.
B
What is the state of matter that resembles a gas, but is made of ions, giving it different properties than a typical gas?
[ "vapor", "gamma", "acid", "plasma" ]
plasma
Answer the following multiple-choice question. Question: What is the state of matter that resembles a gas, but is made of ions, giving it different properties than a typical gas? Options: A. vapor B. gamma C. acid D. plasma Which option is correct and why?
The correct answer is: plasma.
D
Glycolysis oxidizes glucose to two molecules of pyruvate?
[ "N/A - see below", "glucose", "N/A - see below", "N/A - see below" ]
glucose
Answer the following multiple-choice question. Question: Glycolysis oxidizes glucose to two molecules of pyruvate? Options: A. N/A - see below B. glucose C. N/A - see below D. N/A - see below Which option is correct and why?
The correct answer is: glucose.
B
What substance is removed from waste as it passes through the large intestine?
[ "nutrients", "air", "water", "blood" ]
water
Answer the following multiple-choice question. Question: What substance is removed from waste as it passes through the large intestine? Options: A. nutrients B. air C. water D. blood Which option is correct and why?
The correct answer is: water.
C
What can be used to power households?
[ "heat", "energy", "motors", "cells", "cars", "wind", "coal", "Gas" ]
wind
Answer the following multiple-choice question. Question: What can be used to power households? Options: A. heat B. energy C. motors D. cells E. cars F. wind G. coal H. Gas Which option is correct and why?
The correct answer is: wind.
A
A load of dirt, mud, water and debris can come toppling down from a higher place if
[ "skies are clear", "cats are playing", "leaves are budding", "weather is poor" ]
weather is poor
Answer the following multiple-choice question. Question: A load of dirt, mud, water and debris can come toppling down from a higher place if Options: A. skies are clear B. cats are playing C. leaves are budding D. weather is poor Which option is correct and why?
The correct answer is: weather is poor.
D
What do leaves get from the sun?
[ "Energy.", "kinetic energy", "nutrients", "food and shelter", "nitrogen", "solar energy", "energy", "DNA" ]
solar energy
Answer the following multiple-choice question. Question: What do leaves get from the sun? Options: A. Energy. B. kinetic energy C. nutrients D. food and shelter E. nitrogen F. solar energy G. energy H. DNA Which option is correct and why?
The correct answer is: solar energy.
A
What is the use of technology to change the genetic makeup of living things for human purposes?
[ "genetic employing", "genetic engineering", "biological engineering", "biological utility" ]
genetic engineering
Answer the following multiple-choice question. Question: What is the use of technology to change the genetic makeup of living things for human purposes? Options: A. genetic employing B. genetic engineering C. biological engineering D. biological utility Which option is correct and why?
The correct answer is: genetic engineering.
B
What are unique about prokaryotic cells' organelles?
[ "no cell walls", "not membrane-bound", "only membrane - bound", "no epidermis" ]
not membrane-bound
Answer the following multiple-choice question. Question: What are unique about prokaryotic cells' organelles? Options: A. no cell walls B. not membrane-bound C. only membrane - bound D. no epidermis Which option is correct and why?
The correct answer is: not membrane-bound.
B
What can cause the speed of an object to decrease?
[ "more propulsion", "a tree falling", "degrees Celsius", "degrees celcius", "texture of the surfaces", "inertia", "Electrical energy", "sunlight" ]
texture of the surfaces
Answer the following multiple-choice question. Question: What can cause the speed of an object to decrease? Options: A. more propulsion B. a tree falling C. degrees Celsius D. degrees celcius E. texture of the surfaces F. inertia G. Electrical energy H. sunlight Which option is correct and why?
The correct answer is: texture of the surfaces.
E
Carbon monoxide, a product of furnaces and engines, is a:
[ "acid", "CO2", "kill", "harm", "gas", "form", "CO 2", "HPV" ]
gas
Answer the following multiple-choice question. Question: Carbon monoxide, a product of furnaces and engines, is a: Options: A. acid B. CO2 C. kill D. harm E. gas F. form G. CO 2 H. HPV Which option is correct and why?
The correct answer is: gas.
E
What does cooking food do?
[ "it keeps an organism warm", "Makes it taste bad", "depress neuronal excitability", "Kills organisms and vitamins", "get chemical reactions started", "Makes it cold", "converting electricity to heat", "Makes it spoil" ]
Kills organisms and vitamins
Answer the following multiple-choice question. Question: What does cooking food do? Options: A. it keeps an organism warm B. Makes it taste bad C. depress neuronal excitability D. Kills organisms and vitamins E. get chemical reactions started F. Makes it cold G. converting electricity to heat H. Makes it spoil Which option is correct and why?
The correct answer is: Kills organisms and vitamins.
D
Shedding is when an animal?
[ "gets rid of its winter coat", "grows taller", "speaks at a higher volume", "eats its food" ]
gets rid of its winter coat
Answer the following multiple-choice question. Question: Shedding is when an animal? Options: A. gets rid of its winter coat B. grows taller C. speaks at a higher volume D. eats its food Which option is correct and why?
The correct answer is: gets rid of its winter coat.
A
The product of a wave's wavelength and its frequency is what?
[ "speed", "velocity", "amplitude", "trough" ]
speed
Answer the following multiple-choice question. Question: The product of a wave's wavelength and its frequency is what? Options: A. speed B. velocity C. amplitude D. trough Which option is correct and why?
The correct answer is: speed.
A
What is available when the immune system is not working properly?
[ "treatment", "fever", "bacteria", "intense drugs", "Energy.", "magic potions", "the cure", "Energy" ]
treatment
Answer the following multiple-choice question. Question: What is available when the immune system is not working properly? Options: A. treatment B. fever C. bacteria D. intense drugs E. Energy. F. magic potions G. the cure H. Energy Which option is correct and why?
The correct answer is: treatment.
A
What exactly happens during rna translation?
[ "protein is synthesized", "chromosome is synthesized", "carbohydrate is synthesized", "membrane is synthesized" ]
protein is synthesized
Answer the following multiple-choice question. Question: What exactly happens during rna translation? Options: A. protein is synthesized B. chromosome is synthesized C. carbohydrate is synthesized D. membrane is synthesized Which option is correct and why?
The correct answer is: protein is synthesized.
A
Ultraviolet radiation has the highest energy; which has the lowest?
[ "thermal", "infrared", "nuclear", "kinetic" ]
infrared
Answer the following multiple-choice question. Question: Ultraviolet radiation has the highest energy; which has the lowest? Options: A. thermal B. infrared C. nuclear D. kinetic Which option is correct and why?
The correct answer is: infrared.
B
By hiding from creatures who crave the taste of their sweet flesh
[ "mice will be able to free Aslan", "some mice are able to have offspring", "predator missiles can hunt their target", "a field of mice can die of disease" ]
some mice are able to have offspring
Answer the following multiple-choice question. Question: By hiding from creatures who crave the taste of their sweet flesh Options: A. mice will be able to free Aslan B. some mice are able to have offspring C. predator missiles can hunt their target D. a field of mice can die of disease Which option is correct and why?
The correct answer is: some mice are able to have offspring.
B
The last major ice age took place in which era?
[ "cenozoic", "pleistocene", "miocene", "pliocene" ]
pleistocene
Answer the following multiple-choice question. Question: The last major ice age took place in which era? Options: A. cenozoic B. pleistocene C. miocene D. pliocene Which option is correct and why?
The correct answer is: pleistocene.
B
What can be a deterrent?
[ "sunlight", "fur seals", "crocodiles", "change", "tail fins", "aggression", "herbicide", "hope" ]
aggression
Answer the following multiple-choice question. Question: What can be a deterrent? Options: A. sunlight B. fur seals C. crocodiles D. change E. tail fins F. aggression G. herbicide H. hope Which option is correct and why?
The correct answer is: aggression.
A
Glass, rubber, and plastics are examples of which type of solids?
[ "dubious", "porous", "aqueous", "amorphous" ]
amorphous
Answer the following multiple-choice question. Question: Glass, rubber, and plastics are examples of which type of solids? Options: A. dubious B. porous C. aqueous D. amorphous Which option is correct and why?
The correct answer is: amorphous.
D
Exemplified by rusty iron, what process is defined as the disintegration of a material due to chemical reactions with other substances in the environment?
[ "extraction", "Metal Breakdown", "magnesium", "corrosion" ]
corrosion
Answer the following multiple-choice question. Question: Exemplified by rusty iron, what process is defined as the disintegration of a material due to chemical reactions with other substances in the environment? Options: A. extraction B. Metal Breakdown C. magnesium D. corrosion Which option is correct and why?
The correct answer is: corrosion.
D
What do some plants produce that protects dormant seeds and aids in their dispersal?
[ "roots", "leaves", "stems", "fruit" ]
fruit
Answer the following multiple-choice question. Question: What do some plants produce that protects dormant seeds and aids in their dispersal? Options: A. roots B. leaves C. stems D. fruit Which option is correct and why?
The correct answer is: fruit.
D
If an area is experiencing a drought, how can they overcome the lack of water?
[ "a downpour", "nothing", "more drought", "go to space" ]
a downpour
Answer the following multiple-choice question. Question: If an area is experiencing a drought, how can they overcome the lack of water? Options: A. a downpour B. nothing C. more drought D. go to space Which option is correct and why?
The correct answer is: a downpour.
A
In which of these locations is the winter solstice on December 21st?
[ "Panama", "New Zealand", "South Africa", "Argentina" ]
Panama
Answer the following multiple-choice question. Question: In which of these locations is the winter solstice on December 21st? Options: A. Panama B. New Zealand C. South Africa D. Argentina Which option is correct and why?
The correct answer is: Panama.
A
What is determined by the energy of the disturbance that causes the wave?
[ "wavelength", "wave amplitude", "frequency", "Ohm" ]
wave amplitude
Answer the following multiple-choice question. Question: What is determined by the energy of the disturbance that causes the wave? Options: A. wavelength B. wave amplitude C. frequency D. Ohm Which option is correct and why?
The correct answer is: wave amplitude.
B
Tar sands are rocky materials mixed with what?
[ "magma", "shale", "very thick oil", "coal" ]
very thick oil
Answer the following multiple-choice question. Question: Tar sands are rocky materials mixed with what? Options: A. magma B. shale C. very thick oil D. coal Which option is correct and why?
The correct answer is: very thick oil.
C
The nitrogen that enters living systems by nitrogen fixation is successively converted from organic nitrogen back into nitrogen gas by what?
[ "viruses", "pollen", "bacteria", "algae" ]
bacteria
Answer the following multiple-choice question. Question: The nitrogen that enters living systems by nitrogen fixation is successively converted from organic nitrogen back into nitrogen gas by what? Options: A. viruses B. pollen C. bacteria D. algae Which option is correct and why?
The correct answer is: bacteria.
C
What are killer whales?
[ "red and black", "They have thick fur", "dangerous", "sharks", "deep sea creatures", "marine species", "Absorb light", "animals" ]
marine species
Answer the following multiple-choice question. Question: What are killer whales? Options: A. red and black B. They have thick fur C. dangerous D. sharks E. deep sea creatures F. marine species G. Absorb light H. animals Which option is correct and why?
The correct answer is: marine species.
A
what females lack a uterus and vagina?
[ "penis", "acetic acid", "dogs", "platypus", "ligt", "graptolites", "alpacas", "humans" ]
platypus
Answer the following multiple-choice question. Question: what females lack a uterus and vagina? Options: A. penis B. acetic acid C. dogs D. platypus E. ligt F. graptolites G. alpacas H. humans Which option is correct and why?
The correct answer is: platypus.
D
what happens if a neutral atom loses an electron?
[ "a lot of human deaths", "Plant growth is reduced", "oxidation reaction", "attracted to positive charges", "death and devastation", "Earth revolving around the sun", "a hemisphere is tilted away from the sun", "heat is produced" ]
attracted to positive charges
Answer the following multiple-choice question. Question: what happens if a neutral atom loses an electron? Options: A. a lot of human deaths B. Plant growth is reduced C. oxidation reaction D. attracted to positive charges E. death and devastation F. Earth revolving around the sun G. a hemisphere is tilted away from the sun H. heat is produced Which option is correct and why?
The correct answer is: attracted to positive charges.
D
Energy is lost as heat between each trophic level due to the second law of what?
[ "chemistry", "reactions", "particles", "thermodynamics" ]
thermodynamics
Answer the following multiple-choice question. Question: Energy is lost as heat between each trophic level due to the second law of what? Options: A. chemistry B. reactions C. particles D. thermodynamics Which option is correct and why?
The correct answer is: thermodynamics.
D
what grows roots down into the soil to absorb water and minerals?
[ "humans", "bushes", "burrs", "Trees", "hydrogen", "h2o", "Oak", "potatoes" ]
bushes
Answer the following multiple-choice question. Question: what grows roots down into the soil to absorb water and minerals? Options: A. humans B. bushes C. burrs D. Trees E. hydrogen F. h2o G. Oak H. potatoes Which option is correct and why?
The correct answer is: bushes.
B
A cypress tree's stout roots splitting asphalt is an example of
[ "cookie elves", "compacting", "weathering", "beer" ]
weathering
Answer the following multiple-choice question. Question: A cypress tree's stout roots splitting asphalt is an example of Options: A. cookie elves B. compacting C. weathering D. beer Which option is correct and why?
The correct answer is: weathering.
C
What organism is an important pioneer on cleared rock and soil surfaces, such as volcanic flows and burned forests?
[ "cysts", "pigment", "algae", "lichen" ]
lichen
Answer the following multiple-choice question. Question: What organism is an important pioneer on cleared rock and soil surfaces, such as volcanic flows and burned forests? Options: A. cysts B. pigment C. algae D. lichen Which option is correct and why?
The correct answer is: lichen.
D
Why would a gorilla dominate all of the resources of a group?
[ "anarchy", "it needs them", "Energy.", "gene flow", "competition", "four limbs", "frustration", "enabling" ]
competition
Answer the following multiple-choice question. Question: Why would a gorilla dominate all of the resources of a group? Options: A. anarchy B. it needs them C. Energy. D. gene flow E. competition F. four limbs G. frustration H. enabling Which option is correct and why?
The correct answer is: competition.
E
When trees are harvested, the trees
[ "are lacking in leaves", "need to be replaced or numbers go down", "are tiny and irrelevant", "are smaller and less" ]
need to be replaced or numbers go down
Answer the following multiple-choice question. Question: When trees are harvested, the trees Options: A. are lacking in leaves B. need to be replaced or numbers go down C. are tiny and irrelevant D. are smaller and less Which option is correct and why?
The correct answer is: need to be replaced or numbers go down.
B
Which is a solid?
[ "Kool-aid", "urine", "helium", "ice sculpture" ]
ice sculpture
Answer the following multiple-choice question. Question: Which is a solid? Options: A. Kool-aid B. urine C. helium D. ice sculpture Which option is correct and why?
The correct answer is: ice sculpture.
D
What produces amniotic eggs?
[ "goats", "crocodiles", "dogs", "sperm", "animals", "sharks", "tortoises", "lizards" ]
lizards
Answer the following multiple-choice question. Question: What produces amniotic eggs? Options: A. goats B. crocodiles C. dogs D. sperm E. animals F. sharks G. tortoises H. lizards Which option is correct and why?
The correct answer is: lizards.
A
The complete combustion of alkanes to carbon dioxide is an extremely __________ reaction.
[ "reactive", "hydrolic", "geothermal", "exothermic" ]
exothermic
Answer the following multiple-choice question. Question: The complete combustion of alkanes to carbon dioxide is an extremely __________ reaction. Options: A. reactive B. hydrolic C. geothermal D. exothermic Which option is correct and why?
The correct answer is: exothermic.
D
What is the atomic number of magnesium?
[ "8", "17", "12", "25" ]
12
Answer the following multiple-choice question. Question: What is the atomic number of magnesium? Options: A. 8 B. 17 C. 12 D. 25 Which option is correct and why?
The correct answer is: 12.
C
What incredibly successful species has quickly colonized almost all of earth’s terrestrial habitats, but also impacted earth, its climate, and its environment?
[ "fish", "humans", "chimpanzees", "birds" ]
humans
Answer the following multiple-choice question. Question: What incredibly successful species has quickly colonized almost all of earth’s terrestrial habitats, but also impacted earth, its climate, and its environment? Options: A. fish B. humans C. chimpanzees D. birds Which option is correct and why?
The correct answer is: humans.
B
what can hepatitis b form?
[ "harmful substances", "liver cancer", "smoking tobacco", "It expands", "layers of fat", "bioaerosols", "anemia", "contamination" ]
liver cancer
Answer the following multiple-choice question. Question: what can hepatitis b form? Options: A. harmful substances B. liver cancer C. smoking tobacco D. It expands E. layers of fat F. bioaerosols G. anemia H. contamination Which option is correct and why?
The correct answer is: liver cancer.
B
Receptors in the lining of the nose are:
[ "heat or cold", "larger than the nose", "tastebuds", "used to find food", "insect", "barrel-shaped", "segmented", "messengers" ]
used to find food
Answer the following multiple-choice question. Question: Receptors in the lining of the nose are: Options: A. heat or cold B. larger than the nose C. tastebuds D. used to find food E. insect F. barrel-shaped G. segmented H. messengers Which option is correct and why?
The correct answer is: used to find food.
D
Unlike bird eggs, reptile's eggs are
[ "symmetrical", "Neon green", "magical", "watermelons" ]
symmetrical
Answer the following multiple-choice question. Question: Unlike bird eggs, reptile's eggs are Options: A. symmetrical B. Neon green C. magical D. watermelons Which option is correct and why?
The correct answer is: symmetrical.
A
How long can a large star be on the main sequence stage?
[ "60.11 million years", "200.4 million years", "10 million years", "3 million years" ]
10 million years
Answer the following multiple-choice question. Question: How long can a large star be on the main sequence stage? Options: A. 60.11 million years B. 200.4 million years C. 10 million years D. 3 million years Which option is correct and why?
The correct answer is: 10 million years.
C
The union of gametes is called?
[ "migration", "pollination", "fusion", "fertilization" ]
fertilization
Answer the following multiple-choice question. Question: The union of gametes is called? Options: A. migration B. pollination C. fusion D. fertilization Which option is correct and why?
The correct answer is: fertilization.
D
What don't arthropods have?
[ "an exoskeleton", "legs", "Bodily water", "Damaged hearing", "kinetic energy", "a backbone", "Energy", "backs" ]
a backbone
Answer the following multiple-choice question. Question: What don't arthropods have? Options: A. an exoskeleton B. legs C. Bodily water D. Damaged hearing E. kinetic energy F. a backbone G. Energy H. backs Which option is correct and why?
The correct answer is: a backbone.
A
What is capable of altering the rate of time passing?
[ "strong gravitational fields", "strong planetary fields", "strong magnetic fields", "weak gravitational fields" ]
strong gravitational fields
Answer the following multiple-choice question. Question: What is capable of altering the rate of time passing? Options: A. strong gravitational fields B. strong planetary fields C. strong magnetic fields D. weak gravitational fields Which option is correct and why?
The correct answer is: strong gravitational fields.
A
Cells that secrete hormones travel throughout the body in what?
[ "skin", "deltas", "blood", "atoms", "waves", "sleep", "genes", "breathe" ]
blood
Answer the following multiple-choice question. Question: Cells that secrete hormones travel throughout the body in what? Options: A. skin B. deltas C. blood D. atoms E. waves F. sleep G. genes H. breathe Which option is correct and why?
The correct answer is: blood.
C
What happens when a cell takes in substances through its membrane?
[ "filtration", "metastasis", "endocytosis", "dialysis" ]
endocytosis
Answer the following multiple-choice question. Question: What happens when a cell takes in substances through its membrane? Options: A. filtration B. metastasis C. endocytosis D. dialysis Which option is correct and why?
The correct answer is: endocytosis.
C
What does pulping fibres for paper save?
[ "Trees", "animals", "tissue", "people", "Time", "Energy", "Manpower", "humans" ]
Trees
Answer the following multiple-choice question. Question: What does pulping fibres for paper save? Options: A. Trees B. animals C. tissue D. people E. Time F. Energy G. Manpower H. humans Which option is correct and why?
The correct answer is: Trees.
A
What is the process by which the egg is fertilized by the pollen of the same flower?
[ "self realization", "self pollination", "self condensation", "self formation" ]
self pollination
Answer the following multiple-choice question. Question: What is the process by which the egg is fertilized by the pollen of the same flower? Options: A. self realization B. self pollination C. self condensation D. self formation Which option is correct and why?
The correct answer is: self pollination.
B
What converts oxygen in water into oxygen in blood?
[ "sharks", "germs", "Enzymes", "starfish", "rivers", "Jellyfish", "streams", "a fish" ]
a fish
Answer the following multiple-choice question. Question: What converts oxygen in water into oxygen in blood? Options: A. sharks B. germs C. Enzymes D. starfish E. rivers F. Jellyfish G. streams H. a fish Which option is correct and why?
The correct answer is: a fish.
A
Every peripheral nerve is connected directly or indirectly to what?
[ "the functional cord", "the spinal cord", "the umbilical chord", "the optimal cord" ]
the spinal cord
Answer the following multiple-choice question. Question: Every peripheral nerve is connected directly or indirectly to what? Options: A. the functional cord B. the spinal cord C. the umbilical chord D. the optimal cord Which option is correct and why?
The correct answer is: the spinal cord.
B
What does perspiration do?
[ "It expands", "Cooling vapors", "decreases", "Reduces body heat", "Release energy", "Causes shivering", "Reduces sweat", "Causes heat stroke" ]
Reduces body heat
Answer the following multiple-choice question. Question: What does perspiration do? Options: A. It expands B. Cooling vapors C. decreases D. Reduces body heat E. Release energy F. Causes shivering G. Reduces sweat H. Causes heat stroke Which option is correct and why?
The correct answer is: Reduces body heat.
D
The supply of natural gas
[ "is renewable thru more mining", "depletes without replenishment with every use", "comes from synthetic creation", "should be used as much as possible" ]
depletes without replenishment with every use
Answer the following multiple-choice question. Question: The supply of natural gas Options: A. is renewable thru more mining B. depletes without replenishment with every use C. comes from synthetic creation D. should be used as much as possible Which option is correct and why?
The correct answer is: depletes without replenishment with every use.
B
What is the term for a watertight seal between two adjacent animal cells?
[ "tight junction", "placental barrier", "cell wall", "cell membrane" ]
tight junction
Answer the following multiple-choice question. Question: What is the term for a watertight seal between two adjacent animal cells? Options: A. tight junction B. placental barrier C. cell wall D. cell membrane Which option is correct and why?
The correct answer is: tight junction.
A
What do fossil fuel gases cause?
[ "Extra money", "Sea level rise", "forest is destroyed", "Mining opportunity", "population movement", "Dehydration", "deforestation", "oxygen" ]
Sea level rise
Answer the following multiple-choice question. Question: What do fossil fuel gases cause? Options: A. Extra money B. Sea level rise C. forest is destroyed D. Mining opportunity E. population movement F. Dehydration G. deforestation H. oxygen Which option is correct and why?
The correct answer is: Sea level rise.
B
Incandescent bulbs convert electricity into what in the electric field?
[ "activation energy", "fragments", "motors", "kinetic energy", "oscillations", "shards", "heat energy", "energy" ]
oscillations
Answer the following multiple-choice question. Question: Incandescent bulbs convert electricity into what in the electric field? Options: A. activation energy B. fragments C. motors D. kinetic energy E. oscillations F. shards G. heat energy H. energy Which option is correct and why?
The correct answer is: oscillations.
E
What specialist can treat the negative impact of mold spores on lungs?
[ "radiography", "periodontist", "pediatrician", "influenza", "it needs them", "Greenhouse gases", "oncologist", "pulmonologist" ]
pulmonologist
Answer the following multiple-choice question. Question: What specialist can treat the negative impact of mold spores on lungs? Options: A. radiography B. periodontist C. pediatrician D. influenza E. it needs them F. Greenhouse gases G. oncologist H. pulmonologist Which option is correct and why?
The correct answer is: pulmonologist.
A
What is cytology.
[ "the study of cancers", "the study of plants", "the study of cell structure", "the study of atomic structure" ]
the study of cell structure
Answer the following multiple-choice question. Question: What is cytology. Options: A. the study of cancers B. the study of plants C. the study of cell structure D. the study of atomic structure Which option is correct and why?
The correct answer is: the study of cell structure.
C
Telescopes use which kind of lenses to enlarge images?
[ "convex", "concave", "spherical", "crystalline" ]
convex
Answer the following multiple-choice question. Question: Telescopes use which kind of lenses to enlarge images? Options: A. convex B. concave C. spherical D. crystalline Which option is correct and why?
The correct answer is: convex.
A
what feed on dead organisms?
[ "viruses", "insects", "Most plants", "fish", "bacteria", "chickens", "matter", "animals" ]
bacteria
Answer the following multiple-choice question. Question: what feed on dead organisms? Options: A. viruses B. insects C. Most plants D. fish E. bacteria F. chickens G. matter H. animals Which option is correct and why?
The correct answer is: bacteria.
E