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|---|---|---|---|---|
What do you call the state in which a plant slows down cellular activities and may shed its leaves?
|
[
"recession",
"hibernation",
"dormancy",
"germination"
] |
dormancy
|
Answer the following multiple-choice question.
Question: What do you call the state in which a plant slows down cellular activities and may shed its leaves?
Options:
A. recession
B. hibernation
C. dormancy
D. germination
Which option is correct and why?
|
The correct answer is: dormancy.
|
Where does the development of a fetus take place?
|
[
"The kidney",
"The bladder",
"The vagina",
"the female reproductive system"
] |
the female reproductive system
|
Answer the following multiple-choice question.
Question: Where does the development of a fetus take place?
Options:
A. The kidney
B. The bladder
C. The vagina
D. the female reproductive system
Which option is correct and why?
|
The correct answer is: the female reproductive system.
|
null | null | null | null | null |
Rubber can protect from
|
[
"cold",
"burns",
"electricity",
"fire"
] |
electricity
|
Answer the following multiple-choice question.
Question: Rubber can protect from
Options:
A. cold
B. burns
C. electricity
D. fire
Which option is correct and why?
|
The correct answer is: electricity.
|
Archaeans produce what kind of gas as a waste product?
|
[
"sulfide",
"carbon monoxide",
"methane",
"carbon dioxide"
] |
methane
|
Answer the following multiple-choice question.
Question: Archaeans produce what kind of gas as a waste product?
Options:
A. sulfide
B. carbon monoxide
C. methane
D. carbon dioxide
Which option is correct and why?
|
The correct answer is: methane.
|
What action produces much of the sand from coral?
|
[
"reef building",
"radioactive decay",
"mechanical waves",
"glass blowing",
"It used to be covered by water",
"The area was once underwater",
"Mechanical weathering",
"By coral exoskeletons"
] |
Mechanical weathering
|
Answer the following multiple-choice question.
Question: What action produces much of the sand from coral?
Options:
A. reef building
B. radioactive decay
C. mechanical waves
D. glass blowing
E. It used to be covered by water
F. The area was once underwater
G. Mechanical weathering
H. By coral exoskeletons
Which option is correct and why?
|
The correct answer is: Mechanical weathering.
|
What do mammals conserve heat with?
|
[
"hair or fur",
"fur or muscle",
"skin or bones",
"tendons or hair"
] |
hair or fur
|
Answer the following multiple-choice question.
Question: What do mammals conserve heat with?
Options:
A. hair or fur
B. fur or muscle
C. skin or bones
D. tendons or hair
Which option is correct and why?
|
The correct answer is: hair or fur.
|
What two substances do plants give off when they make food?
|
[
"oxygen and water",
"chlorophyll and nitrogen",
"carbon dioxide and oxygen",
"water and oil"
] |
oxygen and water
|
Answer the following multiple-choice question.
Question: What two substances do plants give off when they make food?
Options:
A. oxygen and water
B. chlorophyll and nitrogen
C. carbon dioxide and oxygen
D. water and oil
Which option is correct and why?
|
The correct answer is: oxygen and water.
|
Europa and titan are names of what kind of celestial objects?
|
[
"stars",
"asteroids",
"galaxies",
"moons"
] |
moons
|
Answer the following multiple-choice question.
Question: Europa and titan are names of what kind of celestial objects?
Options:
A. stars
B. asteroids
C. galaxies
D. moons
Which option is correct and why?
|
The correct answer is: moons.
|
what will die if they become too cold?
|
[
"animal or plant",
"most organisms",
"freezing",
"hydrogen and oxygen",
"oxygen",
"Most invertebrates",
"clouds",
"cells of organisms"
] |
animal or plant
|
Answer the following multiple-choice question.
Question: what will die if they become too cold?
Options:
A. animal or plant
B. most organisms
C. freezing
D. hydrogen and oxygen
E. oxygen
F. Most invertebrates
G. clouds
H. cells of organisms
Which option is correct and why?
|
The correct answer is: animal or plant.
|
The vanes rotating in an electric fan causes what?
|
[
"speed",
"water",
"earth",
"fire",
"heat",
"Lift",
"wind",
"motion"
] |
wind
|
Answer the following multiple-choice question.
Question: The vanes rotating in an electric fan causes what?
Options:
A. speed
B. water
C. earth
D. fire
E. heat
F. Lift
G. wind
H. motion
Which option is correct and why?
|
The correct answer is: wind.
|
Sun falling on mountains and the dessert at the same time leaves the area susceptible to
|
[
"meltdowns",
"convection",
"earthquakes",
"power failures"
] |
convection
|
Answer the following multiple-choice question.
Question: Sun falling on mountains and the dessert at the same time leaves the area susceptible to
Options:
A. meltdowns
B. convection
C. earthquakes
D. power failures
Which option is correct and why?
|
The correct answer is: convection.
|
Latitude, humidity, and elevation affect the type of what, a term for a large naturally occurring community?
|
[
"ecosystem",
"biome",
"territory",
"climate"
] |
biome
|
Answer the following multiple-choice question.
Question: Latitude, humidity, and elevation affect the type of what, a term for a large naturally occurring community?
Options:
A. ecosystem
B. biome
C. territory
D. climate
Which option is correct and why?
|
The correct answer is: biome.
|
Where on plates do earthquakes most often occur?
|
[
"The area was once underwater",
"near the shoreline",
"away from tectonic plates",
"permineralization",
"at or near the margins",
"in the center",
"Inches or fractions of inches.",
"deep under water"
] |
at or near the margins
|
Answer the following multiple-choice question.
Question: Where on plates do earthquakes most often occur?
Options:
A. The area was once underwater
B. near the shoreline
C. away from tectonic plates
D. permineralization
E. at or near the margins
F. in the center
G. Inches or fractions of inches.
H. deep under water
Which option is correct and why?
|
The correct answer is: at or near the margins.
|
How can H2O on the ground eventually rise into the sky?
|
[
"freezing",
"raining",
"snowing",
"evaporation"
] |
evaporation
|
Answer the following multiple-choice question.
Question: How can H2O on the ground eventually rise into the sky?
Options:
A. freezing
B. raining
C. snowing
D. evaporation
Which option is correct and why?
|
The correct answer is: evaporation.
|
What is the first step towards wound repair?
|
[
"clotting factors",
"hormone factors",
"blotting factors",
"electrolysis factors"
] |
clotting factors
|
Answer the following multiple-choice question.
Question: What is the first step towards wound repair?
Options:
A. clotting factors
B. hormone factors
C. blotting factors
D. electrolysis factors
Which option is correct and why?
|
The correct answer is: clotting factors.
|
What is the name of the science that studies matter and the changes material substances undergo?
|
[
"biology",
"geology",
"chemistry",
"physics"
] |
chemistry
|
Answer the following multiple-choice question.
Question: What is the name of the science that studies matter and the changes material substances undergo?
Options:
A. biology
B. geology
C. chemistry
D. physics
Which option is correct and why?
|
The correct answer is: chemistry.
|
What is an ionic bond in nature?
|
[
"radioactive",
"kinetic",
"magnetic",
"electrostatic"
] |
electrostatic
|
Answer the following multiple-choice question.
Question: What is an ionic bond in nature?
Options:
A. radioactive
B. kinetic
C. magnetic
D. electrostatic
Which option is correct and why?
|
The correct answer is: electrostatic.
|
If I wanted to build endurance I could
|
[
"cycling to Publix",
"eat more food",
"sleep all day",
"only eat pizza"
] |
cycling to Publix
|
Answer the following multiple-choice question.
Question: If I wanted to build endurance I could
Options:
A. cycling to Publix
B. eat more food
C. sleep all day
D. only eat pizza
Which option is correct and why?
|
The correct answer is: cycling to Publix.
|
null | null | null | null | null |
Ribosomes are produced in the nucleolus, and then transported to the what?
|
[
"cytoplasm",
"cytoskeleton",
"nucleus",
"cerebellum"
] |
cytoplasm
|
Answer the following multiple-choice question.
Question: Ribosomes are produced in the nucleolus, and then transported to the what?
Options:
A. cytoplasm
B. cytoskeleton
C. nucleus
D. cerebellum
Which option is correct and why?
|
The correct answer is: cytoplasm.
|
Rivers easily dissolve nutrients and:
|
[
"bacteria",
"chemicals",
"oxygen",
"sodium",
"vitamin C",
"glucose",
"a solute",
"a hazard"
] |
oxygen
|
Answer the following multiple-choice question.
Question: Rivers easily dissolve nutrients and:
Options:
A. bacteria
B. chemicals
C. oxygen
D. sodium
E. vitamin C
F. glucose
G. a solute
H. a hazard
Which option is correct and why?
|
The correct answer is: oxygen.
|
The heart and a network of blood vessels that run throughout the body make up what organ system?
|
[
"lymphatic system",
"cardiovascular system",
"immune system",
"respiratory system"
] |
cardiovascular system
|
Answer the following multiple-choice question.
Question: The heart and a network of blood vessels that run throughout the body make up what organ system?
Options:
A. lymphatic system
B. cardiovascular system
C. immune system
D. respiratory system
Which option is correct and why?
|
The correct answer is: cardiovascular system.
|
Compounds that form from two or more nonmetallic elements are called what?
|
[
"valent bonds",
"hydrogen bonds",
"ionic bonds",
"covalent bonds"
] |
covalent bonds
|
Answer the following multiple-choice question.
Question: Compounds that form from two or more nonmetallic elements are called what?
Options:
A. valent bonds
B. hydrogen bonds
C. ionic bonds
D. covalent bonds
Which option is correct and why?
|
The correct answer is: covalent bonds.
|
Dessication is an extreme and usually fatal form of what in animals?
|
[
"dehydration",
"depletion",
"starvation",
"diarrhea"
] |
dehydration
|
Answer the following multiple-choice question.
Question: Dessication is an extreme and usually fatal form of what in animals?
Options:
A. dehydration
B. depletion
C. starvation
D. diarrhea
Which option is correct and why?
|
The correct answer is: dehydration.
|
What do you call catalysts that are found inside of living things?
|
[
"proteins",
"enzymes",
"fibres",
"hormones"
] |
enzymes
|
Answer the following multiple-choice question.
Question: What do you call catalysts that are found inside of living things?
Options:
A. proteins
B. enzymes
C. fibres
D. hormones
Which option is correct and why?
|
The correct answer is: enzymes.
|
What harmful substance must not be drained into s storm sewer?
|
[
"alcohol",
"debris",
"water runoff",
"motor oil"
] |
motor oil
|
Answer the following multiple-choice question.
Question: What harmful substance must not be drained into s storm sewer?
Options:
A. alcohol
B. debris
C. water runoff
D. motor oil
Which option is correct and why?
|
The correct answer is: motor oil.
|
How do sharks move through the water?
|
[
"pipe",
"eyes",
"Tail",
"dorsal",
"mouth",
"speed",
"gills",
"slowly"
] |
Tail
|
Answer the following multiple-choice question.
Question: How do sharks move through the water?
Options:
A. pipe
B. eyes
C. Tail
D. dorsal
E. mouth
F. speed
G. gills
H. slowly
Which option is correct and why?
|
The correct answer is: Tail.
|
What does caffeine do to blood vessels?
|
[
"It expands",
"looseness",
"hydrate their cells",
"Constrict them",
"sweating",
"Dehydration",
"They may not survive.",
"Damages them"
] |
Constrict them
|
Answer the following multiple-choice question.
Question: What does caffeine do to blood vessels?
Options:
A. It expands
B. looseness
C. hydrate their cells
D. Constrict them
E. sweating
F. Dehydration
G. They may not survive.
H. Damages them
Which option is correct and why?
|
The correct answer is: Constrict them.
|
What do animals eat for a positive impact on their health?
|
[
"nutrients",
"plutonium",
"plants",
"Energy",
"Proteins",
"cellulose",
"cyanide",
"plantations"
] |
plants
|
Answer the following multiple-choice question.
Question: What do animals eat for a positive impact on their health?
Options:
A. nutrients
B. plutonium
C. plants
D. Energy
E. Proteins
F. cellulose
G. cyanide
H. plantations
Which option is correct and why?
|
The correct answer is: plants.
|
Insects and hummingbirds are required for what to reproduce?
|
[
"fish",
"bees",
"herds",
"growth",
"courtship",
"plants",
"mating",
"nutrients"
] |
plants
|
Answer the following multiple-choice question.
Question: Insects and hummingbirds are required for what to reproduce?
Options:
A. fish
B. bees
C. herds
D. growth
E. courtship
F. plants
G. mating
H. nutrients
Which option is correct and why?
|
The correct answer is: plants.
|
When land used for mining or other purposes is restored to its natural state, what do you call the process, which is often mandated by law?
|
[
"irrigation",
"urban renewal",
"reclamation",
"removal"
] |
reclamation
|
Answer the following multiple-choice question.
Question: When land used for mining or other purposes is restored to its natural state, what do you call the process, which is often mandated by law?
Options:
A. irrigation
B. urban renewal
C. reclamation
D. removal
Which option is correct and why?
|
The correct answer is: reclamation.
|
Fauna will have to flee if their home is
|
[
"prepared",
"having renovations done",
"being built",
"demolished"
] |
demolished
|
Answer the following multiple-choice question.
Question: Fauna will have to flee if their home is
Options:
A. prepared
B. having renovations done
C. being built
D. demolished
Which option is correct and why?
|
The correct answer is: demolished.
|
Like acetic acid, pentanoic acid is what kind of acid?
|
[
"amino",
"hydroxyl",
"carboxylic",
"carbonic"
] |
carboxylic
|
Answer the following multiple-choice question.
Question: Like acetic acid, pentanoic acid is what kind of acid?
Options:
A. amino
B. hydroxyl
C. carboxylic
D. carbonic
Which option is correct and why?
|
The correct answer is: carboxylic.
|
What is the term for the span in the life of an organism from one generation to the next?
|
[
"life span",
"era",
"life cycle",
"time consumption"
] |
life cycle
|
Answer the following multiple-choice question.
Question: What is the term for the span in the life of an organism from one generation to the next?
Options:
A. life span
B. era
C. life cycle
D. time consumption
Which option is correct and why?
|
The correct answer is: life cycle.
|
What is the outer layer of the sun made up of?
|
[
"plasma",
"nitrogen",
"oxygen",
"gas"
] |
plasma
|
Answer the following multiple-choice question.
Question: What is the outer layer of the sun made up of?
Options:
A. plasma
B. nitrogen
C. oxygen
D. gas
Which option is correct and why?
|
The correct answer is: plasma.
|
Segmented worms have a digestive,nervous and what type of system?
|
[
"lymphatic",
"circulatory",
"pulmonary",
"vascular"
] |
circulatory
|
Answer the following multiple-choice question.
Question: Segmented worms have a digestive,nervous and what type of system?
Options:
A. lymphatic
B. circulatory
C. pulmonary
D. vascular
Which option is correct and why?
|
The correct answer is: circulatory.
|
how do humans communicate?
|
[
"simply",
"electrically",
"sensory neurons",
"by indirect light",
"firm hugs",
"smell",
"linguistically",
"touch"
] |
linguistically
|
Answer the following multiple-choice question.
Question: how do humans communicate?
Options:
A. simply
B. electrically
C. sensory neurons
D. by indirect light
E. firm hugs
F. smell
G. linguistically
H. touch
Which option is correct and why?
|
The correct answer is: linguistically.
|
Budding is a form of what type of reproduction in tunicates?
|
[
"microscopic",
"asexual",
"sexual",
"nuclear"
] |
asexual
|
Answer the following multiple-choice question.
Question: Budding is a form of what type of reproduction in tunicates?
Options:
A. microscopic
B. asexual
C. sexual
D. nuclear
Which option is correct and why?
|
The correct answer is: asexual.
|
Sparrows gain lift with more grace than a vulture due to
|
[
"mental capacity",
"will power",
"feather color",
"size"
] |
size
|
Answer the following multiple-choice question.
Question: Sparrows gain lift with more grace than a vulture due to
Options:
A. mental capacity
B. will power
C. feather color
D. size
Which option is correct and why?
|
The correct answer is: size.
|
What can vibrating matter cause?
|
[
"electromagnetic energy",
"Relieve pain",
"nothing",
"loss of matter",
"destruction of matter",
"mechanical waves",
"Electrical energy",
"kinetic energy"
] |
mechanical waves
|
Answer the following multiple-choice question.
Question: What can vibrating matter cause?
Options:
A. electromagnetic energy
B. Relieve pain
C. nothing
D. loss of matter
E. destruction of matter
F. mechanical waves
G. Electrical energy
H. kinetic energy
Which option is correct and why?
|
The correct answer is: mechanical waves.
|
what is a greenhouse used to protect?
|
[
"cellulose",
"Species",
"orchids",
"the sun",
"h2o",
"organisms",
"glass",
"our planet"
] |
orchids
|
Answer the following multiple-choice question.
Question: what is a greenhouse used to protect?
Options:
A. cellulose
B. Species
C. orchids
D. the sun
E. h2o
F. organisms
G. glass
H. our planet
Which option is correct and why?
|
The correct answer is: orchids.
|
Echidnas reproduce how?
|
[
"asexually",
"by indirect light",
"spread flower seeds",
"during the day",
"by birthing live young",
"by laying eggs",
"by budding",
"with their fur"
] |
by laying eggs
|
Answer the following multiple-choice question.
Question: Echidnas reproduce how?
Options:
A. asexually
B. by indirect light
C. spread flower seeds
D. during the day
E. by birthing live young
F. by laying eggs
G. by budding
H. with their fur
Which option is correct and why?
|
The correct answer is: by laying eggs.
|
null | null | null | null | null |
In essence, a virus is simply a nucleic acid surrounded by what?
|
[
"a polypeptide",
"a polymer coat",
"a protein coat",
"a membrane coat"
] |
a protein coat
|
Answer the following multiple-choice question.
Question: In essence, a virus is simply a nucleic acid surrounded by what?
Options:
A. a polypeptide
B. a polymer coat
C. a protein coat
D. a membrane coat
Which option is correct and why?
|
The correct answer is: a protein coat.
|
porcupine can use its quills as a what
|
[
"encoded information",
"threatened",
"defense mechanism",
"cushion",
"protective bony armor",
"cleaning mechanism",
"if humans disturb bears",
"brush"
] |
defense mechanism
|
Answer the following multiple-choice question.
Question: porcupine can use its quills as a what
Options:
A. encoded information
B. threatened
C. defense mechanism
D. cushion
E. protective bony armor
F. cleaning mechanism
G. if humans disturb bears
H. brush
Which option is correct and why?
|
The correct answer is: defense mechanism.
|
The length that an object has travelled in one or multiple directions can also be called what?
|
[
"axis",
"velocity",
"range",
"distance"
] |
distance
|
Answer the following multiple-choice question.
Question: The length that an object has travelled in one or multiple directions can also be called what?
Options:
A. axis
B. velocity
C. range
D. distance
Which option is correct and why?
|
The correct answer is: distance.
|
Where do skeletal muscles usually attach?
|
[
"end of bones",
"to dendrites",
"to the spine",
"to cartilage"
] |
end of bones
|
Answer the following multiple-choice question.
Question: Where do skeletal muscles usually attach?
Options:
A. end of bones
B. to dendrites
C. to the spine
D. to cartilage
Which option is correct and why?
|
The correct answer is: end of bones.
|
Bryophyta is the formal taxonomic name for the phylum that consists solely of what?
|
[
"grasses",
"trees",
"mosses",
"lichens"
] |
mosses
|
Answer the following multiple-choice question.
Question: Bryophyta is the formal taxonomic name for the phylum that consists solely of what?
Options:
A. grasses
B. trees
C. mosses
D. lichens
Which option is correct and why?
|
The correct answer is: mosses.
|
An unseen force tugs at celestial bodies giving them
|
[
"shape",
"luster",
"a trajectory",
"color"
] |
a trajectory
|
Answer the following multiple-choice question.
Question: An unseen force tugs at celestial bodies giving them
Options:
A. shape
B. luster
C. a trajectory
D. color
Which option is correct and why?
|
The correct answer is: a trajectory.
|
What do animals do in the winter?
|
[
"Release energy",
"running and lifting",
"it keeps an organism warm",
"adapt to warm weather",
"adapt to extreme heat",
"adapt to coolness",
"shed fur",
"by making heat"
] |
adapt to coolness
|
Answer the following multiple-choice question.
Question: What do animals do in the winter?
Options:
A. Release energy
B. running and lifting
C. it keeps an organism warm
D. adapt to warm weather
E. adapt to extreme heat
F. adapt to coolness
G. shed fur
H. by making heat
Which option is correct and why?
|
The correct answer is: adapt to coolness.
|
If a season switches from one to another in a place, the earth has
|
[
"exploded",
"stayed in place",
"moved more",
"frozen"
] |
moved more
|
Answer the following multiple-choice question.
Question: If a season switches from one to another in a place, the earth has
Options:
A. exploded
B. stayed in place
C. moved more
D. frozen
Which option is correct and why?
|
The correct answer is: moved more.
|
What bring amino acids to the ribosome in the correct sequence?
|
[
"Chemical energy",
"Aminoacylation",
"Dilution",
"a delta",
"Cooking",
"heat or cold",
"it needs them",
"A Greek letter"
] |
Aminoacylation
|
Answer the following multiple-choice question.
Question: What bring amino acids to the ribosome in the correct sequence?
Options:
A. Chemical energy
B. Aminoacylation
C. Dilution
D. a delta
E. Cooking
F. heat or cold
G. it needs them
H. A Greek letter
Which option is correct and why?
|
The correct answer is: Aminoacylation.
|
What fluid is most prevalent in your body?
|
[
"Coolant",
"liquid",
"cold",
"water"
] |
water
|
Answer the following multiple-choice question.
Question: What fluid is most prevalent in your body?
Options:
A. Coolant
B. liquid
C. cold
D. water
Which option is correct and why?
|
The correct answer is: water.
|
Nematodes reproduce how?
|
[
"root growth",
"heat or cold",
"pollen",
"electrically",
"sexually",
"seeds",
"survive",
"a cuticle"
] |
sexually
|
Answer the following multiple-choice question.
Question: Nematodes reproduce how?
Options:
A. root growth
B. heat or cold
C. pollen
D. electrically
E. sexually
F. seeds
G. survive
H. a cuticle
Which option is correct and why?
|
The correct answer is: sexually.
|
What are organs of excretion?
|
[
"kalenchoes",
"Malpighian tubes",
"solid, liquid, gas",
"ankles",
"rocks",
"tibias",
"the body's largest organ",
"Veins and arteries."
] |
Malpighian tubes
|
Answer the following multiple-choice question.
Question: What are organs of excretion?
Options:
A. kalenchoes
B. Malpighian tubes
C. solid, liquid, gas
D. ankles
E. rocks
F. tibias
G. the body's largest organ
H. Veins and arteries.
Which option is correct and why?
|
The correct answer is: Malpighian tubes.
|
Refraction
|
[
"makes objects appear to be twice their size",
"moves heat energy thru sound waves",
"is the phenomenon involved in mirrors",
"makes a straw appear broken when in a cup of water"
] |
makes a straw appear broken when in a cup of water
|
Answer the following multiple-choice question.
Question: Refraction
Options:
A. makes objects appear to be twice their size
B. moves heat energy thru sound waves
C. is the phenomenon involved in mirrors
D. makes a straw appear broken when in a cup of water
Which option is correct and why?
|
The correct answer is: makes a straw appear broken when in a cup of water.
|
What protists absorb food molecules across their cell membranes?
|
[
"absorptive",
"fibrous",
"dielectric",
"solid"
] |
absorptive
|
Answer the following multiple-choice question.
Question: What protists absorb food molecules across their cell membranes?
Options:
A. absorptive
B. fibrous
C. dielectric
D. solid
Which option is correct and why?
|
The correct answer is: absorptive.
|
what do most types of have nervous systems?
|
[
"complex",
"animals",
"cows",
"insects",
"goats",
"protist",
"bacteria",
"sweat glands"
] |
insects
|
Answer the following multiple-choice question.
Question: what do most types of have nervous systems?
Options:
A. complex
B. animals
C. cows
D. insects
E. goats
F. protist
G. bacteria
H. sweat glands
Which option is correct and why?
|
The correct answer is: insects.
|
What are the large segments of the earth’s crust that ordinarily move very slowly?
|
[
"distinct plates",
"tectonic plates",
"lava plates",
"ocean plates"
] |
tectonic plates
|
Answer the following multiple-choice question.
Question: What are the large segments of the earth’s crust that ordinarily move very slowly?
Options:
A. distinct plates
B. tectonic plates
C. lava plates
D. ocean plates
Which option is correct and why?
|
The correct answer is: tectonic plates.
|
The validity of thought experiments, of course, is determined by this?
|
[
"predictive observation",
"theoretical observation",
"hypothetical observation",
"actual observation"
] |
actual observation
|
Answer the following multiple-choice question.
Question: The validity of thought experiments, of course, is determined by this?
Options:
A. predictive observation
B. theoretical observation
C. hypothetical observation
D. actual observation
Which option is correct and why?
|
The correct answer is: actual observation.
|
Red bone marrow, tonsils, spleen, and thymus gland are considered organs of what system?
|
[
"endocrine",
"circulatory",
"nervous",
"lymphatic"
] |
lymphatic
|
Answer the following multiple-choice question.
Question: Red bone marrow, tonsils, spleen, and thymus gland are considered organs of what system?
Options:
A. endocrine
B. circulatory
C. nervous
D. lymphatic
Which option is correct and why?
|
The correct answer is: lymphatic.
|
null | null | null | null | null |
A pacemaker uses electrical shocks to stimulate the what to beat properly?
|
[
"brain",
"liver",
"heart",
"pancreas"
] |
heart
|
Answer the following multiple-choice question.
Question: A pacemaker uses electrical shocks to stimulate the what to beat properly?
Options:
A. brain
B. liver
C. heart
D. pancreas
Which option is correct and why?
|
The correct answer is: heart.
|
Which would directly follow the appearance of grey clouds?
|
[
"UFOs",
"planes",
"sleet",
"tsunami"
] |
sleet
|
Answer the following multiple-choice question.
Question: Which would directly follow the appearance of grey clouds?
Options:
A. UFOs
B. planes
C. sleet
D. tsunami
Which option is correct and why?
|
The correct answer is: sleet.
|
if a tunnel had a modern facility for seeing, what can we infer from this?
|
[
"there is water in use",
"Thomas Edison's work is in use",
"there is sunlight in use",
"there is petrol in use"
] |
Thomas Edison's work is in use
|
Answer the following multiple-choice question.
Question: if a tunnel had a modern facility for seeing, what can we infer from this?
Options:
A. there is water in use
B. Thomas Edison's work is in use
C. there is sunlight in use
D. there is petrol in use
Which option is correct and why?
|
The correct answer is: Thomas Edison's work is in use.
|
what breaking through rain comes after a storm
|
[
"erosion",
"fog",
"lightning",
"mountains",
"flooding",
"sunlight",
"It expands",
"water vapor"
] |
sunlight
|
Answer the following multiple-choice question.
Question: what breaking through rain comes after a storm
Options:
A. erosion
B. fog
C. lightning
D. mountains
E. flooding
F. sunlight
G. It expands
H. water vapor
Which option is correct and why?
|
The correct answer is: sunlight.
|
what uses energy and inorganic molecules to make food?
|
[
"peachleaf willow",
"By wind and rain",
"humans",
"insects",
"green plants",
"h2o",
"animals",
"agriculture"
] |
green plants
|
Answer the following multiple-choice question.
Question: what uses energy and inorganic molecules to make food?
Options:
A. peachleaf willow
B. By wind and rain
C. humans
D. insects
E. green plants
F. h2o
G. animals
H. agriculture
Which option is correct and why?
|
The correct answer is: green plants.
|
A battery converts chemical energy into
|
[
"energy stored due to the relative positions of charged particles or electric fields",
"energy stored due to the bombardment of particles",
"energy stored between the cells of nonadjacent particles",
"energy that is broken down in particles"
] |
energy stored due to the relative positions of charged particles or electric fields
|
Answer the following multiple-choice question.
Question: A battery converts chemical energy into
Options:
A. energy stored due to the relative positions of charged particles or electric fields
B. energy stored due to the bombardment of particles
C. energy stored between the cells of nonadjacent particles
D. energy that is broken down in particles
Which option is correct and why?
|
The correct answer is: energy stored due to the relative positions of charged particles or electric fields.
|
What process helps hormones travel throughout the body in the bloodstream?
|
[
"hydration",
"mitosis",
"sleeping",
"sweating",
"oxygen",
"allow growth",
"eating",
"breathing"
] |
breathing
|
Answer the following multiple-choice question.
Question: What process helps hormones travel throughout the body in the bloodstream?
Options:
A. hydration
B. mitosis
C. sleeping
D. sweating
E. oxygen
F. allow growth
G. eating
H. breathing
Which option is correct and why?
|
The correct answer is: breathing.
|
The kidneys help control acid-base balance by excreting _____ and generating bicarbonate that helps maintain blood plasma ph within a normal range?
|
[
"magnesium ions",
"sodium ions",
"lithium ions",
"hydrogen ions"
] |
hydrogen ions
|
Answer the following multiple-choice question.
Question: The kidneys help control acid-base balance by excreting _____ and generating bicarbonate that helps maintain blood plasma ph within a normal range?
Options:
A. magnesium ions
B. sodium ions
C. lithium ions
D. hydrogen ions
Which option is correct and why?
|
The correct answer is: hydrogen ions.
|
what are immobile?
|
[
"adult sponges",
"gastropod shells",
"clouds",
"h2o",
"critical organs",
"all matter",
"an organism's body",
"humans"
] |
adult sponges
|
Answer the following multiple-choice question.
Question: what are immobile?
Options:
A. adult sponges
B. gastropod shells
C. clouds
D. h2o
E. critical organs
F. all matter
G. an organism's body
H. humans
Which option is correct and why?
|
The correct answer is: adult sponges.
|
During adolescence, what causes most of the changes associated with puberty?
|
[
"testosterone",
"nicotine",
"estrogen",
"methane"
] |
testosterone
|
Answer the following multiple-choice question.
Question: During adolescence, what causes most of the changes associated with puberty?
Options:
A. testosterone
B. nicotine
C. estrogen
D. methane
Which option is correct and why?
|
The correct answer is: testosterone.
|
Where does the energy in ecosytems come from?
|
[
"Plants",
"expelled",
"heat",
"recycling",
"glucose",
"trees",
"food",
"state"
] |
Plants
|
Answer the following multiple-choice question.
Question: Where does the energy in ecosytems come from?
Options:
A. Plants
B. expelled
C. heat
D. recycling
E. glucose
F. trees
G. food
H. state
Which option is correct and why?
|
The correct answer is: Plants.
|
Hummingbirds contribute to seed dispersal by
|
[
"consuming flower sustenance",
"eating pizza",
"swimming in bleach",
"going to space"
] |
consuming flower sustenance
|
Answer the following multiple-choice question.
Question: Hummingbirds contribute to seed dispersal by
Options:
A. consuming flower sustenance
B. eating pizza
C. swimming in bleach
D. going to space
Which option is correct and why?
|
The correct answer is: consuming flower sustenance.
|
What animal gives live birth?
|
[
"humans",
"goats",
"alpacas",
"rabbit",
"babies",
"fur seals",
"mammals",
"sharks"
] |
sharks
|
Answer the following multiple-choice question.
Question: What animal gives live birth?
Options:
A. humans
B. goats
C. alpacas
D. rabbit
E. babies
F. fur seals
G. mammals
H. sharks
Which option is correct and why?
|
The correct answer is: sharks.
|
A bunch of lava that is sitting somewhere could create on its own
|
[
"an icy, frozen villa",
"a flat raised area",
"a new oak tree",
"a happy landscape portrait"
] |
a flat raised area
|
Answer the following multiple-choice question.
Question: A bunch of lava that is sitting somewhere could create on its own
Options:
A. an icy, frozen villa
B. a flat raised area
C. a new oak tree
D. a happy landscape portrait
Which option is correct and why?
|
The correct answer is: a flat raised area.
|
Electromagnets can be controlled by controlling what type of current?
|
[
"magnetic",
"negative",
"positive",
"electric"
] |
electric
|
Answer the following multiple-choice question.
Question: Electromagnets can be controlled by controlling what type of current?
Options:
A. magnetic
B. negative
C. positive
D. electric
Which option is correct and why?
|
The correct answer is: electric.
|
A person yells inside a garage. Their voice echoes and they hear
|
[
"a bird chirping away",
"a dog barking loudly",
"a car engine rev",
"a shout repeating softer"
] |
a shout repeating softer
|
Answer the following multiple-choice question.
Question: A person yells inside a garage. Their voice echoes and they hear
Options:
A. a bird chirping away
B. a dog barking loudly
C. a car engine rev
D. a shout repeating softer
Which option is correct and why?
|
The correct answer is: a shout repeating softer.
|
What are the outer-shell electrons of an atom called?
|
[
"organism electrons",
"helium electrons",
"valence electrons",
"outer electrons"
] |
valence electrons
|
Answer the following multiple-choice question.
Question: What are the outer-shell electrons of an atom called?
Options:
A. organism electrons
B. helium electrons
C. valence electrons
D. outer electrons
Which option is correct and why?
|
The correct answer is: valence electrons.
|
null | null | null | null | null |
What are intervertebral discs made of?
|
[
"fibrotissue",
"connective cartilage",
"fibrocartilage",
"intercartilage"
] |
fibrocartilage
|
Answer the following multiple-choice question.
Question: What are intervertebral discs made of?
Options:
A. fibrotissue
B. connective cartilage
C. fibrocartilage
D. intercartilage
Which option is correct and why?
|
The correct answer is: fibrocartilage.
|
What decreases when precipitation does?
|
[
"Pests",
"Winter",
"Food",
"loss",
"pH",
"Soda",
"elms",
"Sunlight"
] |
Food
|
Answer the following multiple-choice question.
Question: What decreases when precipitation does?
Options:
A. Pests
B. Winter
C. Food
D. loss
E. pH
F. Soda
G. elms
H. Sunlight
Which option is correct and why?
|
The correct answer is: Food.
|
Most of the heat that enters the mesosphere comes from where?
|
[
"Earth's surface",
"the stratosphere",
"Troposphere",
"Exosphere"
] |
the stratosphere
|
Answer the following multiple-choice question.
Question: Most of the heat that enters the mesosphere comes from where?
Options:
A. Earth's surface
B. the stratosphere
C. Troposphere
D. Exosphere
Which option is correct and why?
|
The correct answer is: the stratosphere.
|
What is the fundamental unit of structure and function in all living organisms?
|
[
"the backbone",
"the cell",
"the spinal cord",
"the vessels"
] |
the cell
|
Answer the following multiple-choice question.
Question: What is the fundamental unit of structure and function in all living organisms?
Options:
A. the backbone
B. the cell
C. the spinal cord
D. the vessels
Which option is correct and why?
|
The correct answer is: the cell.
|
the lunar surface contains
|
[
"aliens",
"snakes",
"bumpless regions",
"trees"
] |
bumpless regions
|
Answer the following multiple-choice question.
Question: the lunar surface contains
Options:
A. aliens
B. snakes
C. bumpless regions
D. trees
Which option is correct and why?
|
The correct answer is: bumpless regions.
|
The difference between aldehydes and ketones is the placement of what group within the molecule?
|
[
"ammonia",
"benadryl",
"nucleus",
"carbonyl"
] |
carbonyl
|
Answer the following multiple-choice question.
Question: The difference between aldehydes and ketones is the placement of what group within the molecule?
Options:
A. ammonia
B. benadryl
C. nucleus
D. carbonyl
Which option is correct and why?
|
The correct answer is: carbonyl.
|
A multiaxial ball-and-socket joint has much more mobility than a what hinge joint?
|
[
"quadaxial",
"biaxial",
"triaxial",
"uniaxial"
] |
uniaxial
|
Answer the following multiple-choice question.
Question: A multiaxial ball-and-socket joint has much more mobility than a what hinge joint?
Options:
A. quadaxial
B. biaxial
C. triaxial
D. uniaxial
Which option is correct and why?
|
The correct answer is: uniaxial.
|
What is marble formed from?
|
[
"earthquakes",
"bases",
"white",
"liquid",
"cells",
"convection",
"conduction",
"heat"
] |
heat
|
Answer the following multiple-choice question.
Question: What is marble formed from?
Options:
A. earthquakes
B. bases
C. white
D. liquid
E. cells
F. convection
G. conduction
H. heat
Which option is correct and why?
|
The correct answer is: heat.
|
null | null | null | null | null |
To measure what changes that occur in chemical reactions, chemists usually use a related thermodynamic quantity, calledenthalpy?
|
[
"energy",
"entropy",
"evaporation",
"ion exchange"
] |
energy
|
Answer the following multiple-choice question.
Question: To measure what changes that occur in chemical reactions, chemists usually use a related thermodynamic quantity, calledenthalpy?
Options:
A. energy
B. entropy
C. evaporation
D. ion exchange
Which option is correct and why?
|
The correct answer is: energy.
|
What characteristics of an organism help it survive?
|
[
"Changes",
"additions",
"systems",
"adaptations"
] |
adaptations
|
Answer the following multiple-choice question.
Question: What characteristics of an organism help it survive?
Options:
A. Changes
B. additions
C. systems
D. adaptations
Which option is correct and why?
|
The correct answer is: adaptations.
|
The natural illumination outside will be for shorter and shorter periods of time per day when
|
[
"during a solar eclipse",
"spring season has begun",
"a hurricane is approaching",
"in late September north of the equator or late March south of the equator"
] |
in late September north of the equator or late March south of the equator
|
Answer the following multiple-choice question.
Question: The natural illumination outside will be for shorter and shorter periods of time per day when
Options:
A. during a solar eclipse
B. spring season has begun
C. a hurricane is approaching
D. in late September north of the equator or late March south of the equator
Which option is correct and why?
|
The correct answer is: in late September north of the equator or late March south of the equator.
|
What includes all the biotic and abiotic factors in an area and how they interact?
|
[
"habitat",
"tundra",
"biome",
"ecosystem"
] |
ecosystem
|
Answer the following multiple-choice question.
Question: What includes all the biotic and abiotic factors in an area and how they interact?
Options:
A. habitat
B. tundra
C. biome
D. ecosystem
Which option is correct and why?
|
The correct answer is: ecosystem.
|
What type of vents are giant tube worms found at?
|
[
"hydrothermal",
"Heated",
"temperature",
"oxygen"
] |
hydrothermal
|
Answer the following multiple-choice question.
Question: What type of vents are giant tube worms found at?
Options:
A. hydrothermal
B. Heated
C. temperature
D. oxygen
Which option is correct and why?
|
The correct answer is: hydrothermal.
|
What can cause rocks to break down?
|
[
"Wind Barriers",
"Protective Barriers",
"Stone Sealers",
"wind",
"mines",
"Water",
"erosion",
"Gravity"
] |
Water
|
Answer the following multiple-choice question.
Question: What can cause rocks to break down?
Options:
A. Wind Barriers
B. Protective Barriers
C. Stone Sealers
D. wind
E. mines
F. Water
G. erosion
H. Gravity
Which option is correct and why?
|
The correct answer is: Water.
|
Some reactions need extra help to occur quickly. they need another substance called what?
|
[
"neurotransmitter",
"hormone",
"protein",
"a catalyst"
] |
a catalyst
|
Answer the following multiple-choice question.
Question: Some reactions need extra help to occur quickly. they need another substance called what?
Options:
A. neurotransmitter
B. hormone
C. protein
D. a catalyst
Which option is correct and why?
|
The correct answer is: a catalyst.
|
When wheels are squealing on a blacktop, friction
|
[
"works against motion",
"stops motion",
"removes forward motion",
"makes things rough"
] |
works against motion
|
Answer the following multiple-choice question.
Question: When wheels are squealing on a blacktop, friction
Options:
A. works against motion
B. stops motion
C. removes forward motion
D. makes things rough
Which option is correct and why?
|
The correct answer is: works against motion.
|
What causes a refraction of light?
|
[
"compound of hydrogen oxygen",
"focusing a lens",
"that material's properties",
"photosynthetic pigments?",
"oxidation reaction",
"a hemisphere is tilted away from the sun",
"sunlight beams",
"solid, liquid, gas"
] |
compound of hydrogen oxygen
|
Answer the following multiple-choice question.
Question: What causes a refraction of light?
Options:
A. compound of hydrogen oxygen
B. focusing a lens
C. that material's properties
D. photosynthetic pigments?
E. oxidation reaction
F. a hemisphere is tilted away from the sun
G. sunlight beams
H. solid, liquid, gas
Which option is correct and why?
|
The correct answer is: compound of hydrogen oxygen.
|
null | null | null | null | null |
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