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|---|---|---|---|---|
What type of stratified deposit is formed where lakes are covered by ice in the winter?
|
[
"telomeres",
"tangles",
"glacier",
"varves"
] |
varves
|
Answer the following multiple-choice question.
Question: What type of stratified deposit is formed where lakes are covered by ice in the winter?
Options:
A. telomeres
B. tangles
C. glacier
D. varves
Which option is correct and why?
|
The correct answer is: varves.
|
What do you call a reaction that consumes energy as it is carried out?
|
[
"exothermic",
"unstable",
"endothermic",
"autotrophic"
] |
endothermic
|
Answer the following multiple-choice question.
Question: What do you call a reaction that consumes energy as it is carried out?
Options:
A. exothermic
B. unstable
C. endothermic
D. autotrophic
Which option is correct and why?
|
The correct answer is: endothermic.
|
null | null | null | null | null |
Spiders catch their prey with
|
[
"a silky thread",
"trickery",
"seduction",
"a flyswatter"
] |
a silky thread
|
Answer the following multiple-choice question.
Question: Spiders catch their prey with
Options:
A. a silky thread
B. trickery
C. seduction
D. a flyswatter
Which option is correct and why?
|
The correct answer is: a silky thread.
|
What type of force allows non-polar molecules to interact?
|
[
"centrifigal dispersion",
"london dispersion",
"graviitational force",
"experienced dispersion"
] |
london dispersion
|
Answer the following multiple-choice question.
Question: What type of force allows non-polar molecules to interact?
Options:
A. centrifigal dispersion
B. london dispersion
C. graviitational force
D. experienced dispersion
Which option is correct and why?
|
The correct answer is: london dispersion.
|
Are vesicles larger or smaller than vacuoles?
|
[
"narrower",
"smaller",
"wider",
"larger"
] |
smaller
|
Answer the following multiple-choice question.
Question: Are vesicles larger or smaller than vacuoles?
Options:
A. narrower
B. smaller
C. wider
D. larger
Which option is correct and why?
|
The correct answer is: smaller.
|
what requires energy for growth?
|
[
"tunicates",
"plants",
"radio waves",
"televisions",
"pigeons",
"sun light",
"humans",
"cats"
] |
humans
|
Answer the following multiple-choice question.
Question: what requires energy for growth?
Options:
A. tunicates
B. plants
C. radio waves
D. televisions
E. pigeons
F. sun light
G. humans
H. cats
Which option is correct and why?
|
The correct answer is: humans.
|
what consists of fatty acids?
|
[
"mammals",
"bioaerosols",
"h2o",
"battery cells",
"Energy.",
"hydrochloric acid",
"keeping the dog warm",
"cell membranes"
] |
cell membranes
|
Answer the following multiple-choice question.
Question: what consists of fatty acids?
Options:
A. mammals
B. bioaerosols
C. h2o
D. battery cells
E. Energy.
F. hydrochloric acid
G. keeping the dog warm
H. cell membranes
Which option is correct and why?
|
The correct answer is: cell membranes.
|
null | null | null | null | null |
Where does carbohydrate digestion begin in the body?
|
[
"mouth",
"throat",
"intestines",
"stomach"
] |
mouth
|
Answer the following multiple-choice question.
Question: Where does carbohydrate digestion begin in the body?
Options:
A. mouth
B. throat
C. intestines
D. stomach
Which option is correct and why?
|
The correct answer is: mouth.
|
Which of the following could cause local weather changes?
|
[
"Movement",
"Winter",
"Mountains",
"flooding",
"Temperature",
"Sports reporters",
"Weather vanes",
"Meteorologists"
] |
Mountains
|
Answer the following multiple-choice question.
Question: Which of the following could cause local weather changes?
Options:
A. Movement
B. Winter
C. Mountains
D. flooding
E. Temperature
F. Sports reporters
G. Weather vanes
H. Meteorologists
Which option is correct and why?
|
The correct answer is: Mountains.
|
null | null | null | null | null |
Rain and what cause erosion?
|
[
"wind vanes",
"sunlight",
"concrete",
"drafts"
] |
drafts
|
Answer the following multiple-choice question.
Question: Rain and what cause erosion?
Options:
A. wind vanes
B. sunlight
C. concrete
D. drafts
Which option is correct and why?
|
The correct answer is: drafts.
|
Female parents of what produce eggs inside the ovaries of flowers?
|
[
"baby ferns",
"Most plants",
"viruses",
"bacteria",
"pollen",
"baby humans",
"orchids",
"mammals"
] |
baby ferns
|
Answer the following multiple-choice question.
Question: Female parents of what produce eggs inside the ovaries of flowers?
Options:
A. baby ferns
B. Most plants
C. viruses
D. bacteria
E. pollen
F. baby humans
G. orchids
H. mammals
Which option is correct and why?
|
The correct answer is: baby ferns.
|
What is the medial bone of the forearm that runs parallel to the radius?
|
[
"ulna",
"radius",
"humerus",
"fibula"
] |
ulna
|
Answer the following multiple-choice question.
Question: What is the medial bone of the forearm that runs parallel to the radius?
Options:
A. ulna
B. radius
C. humerus
D. fibula
Which option is correct and why?
|
The correct answer is: ulna.
|
Thirst shows an animal that it needs what?
|
[
"CO2",
"H2O",
"He",
"food",
"feed",
"urea",
"O2",
"H20"
] |
H2O
|
Answer the following multiple-choice question.
Question: Thirst shows an animal that it needs what?
Options:
A. CO2
B. H2O
C. He
D. food
E. feed
F. urea
G. O2
H. H20
Which option is correct and why?
|
The correct answer is: H2O.
|
In most crustaceans, what two structures fuse to form a cephalothorax?
|
[
"foot and toes",
"body and shoulders",
"wing and legs",
"head and thorax"
] |
head and thorax
|
Answer the following multiple-choice question.
Question: In most crustaceans, what two structures fuse to form a cephalothorax?
Options:
A. foot and toes
B. body and shoulders
C. wing and legs
D. head and thorax
Which option is correct and why?
|
The correct answer is: head and thorax.
|
An example of a mixture is
|
[
"light",
"a molecule",
"terra cotta",
"gold"
] |
terra cotta
|
Answer the following multiple-choice question.
Question: An example of a mixture is
Options:
A. light
B. a molecule
C. terra cotta
D. gold
Which option is correct and why?
|
The correct answer is: terra cotta.
|
natural disasters can cause animals to
|
[
"deep fry",
"dance",
"trek",
"nap"
] |
trek
|
Answer the following multiple-choice question.
Question: natural disasters can cause animals to
Options:
A. deep fry
B. dance
C. trek
D. nap
Which option is correct and why?
|
The correct answer is: trek.
|
null | null | null | null | null |
null | null | null | null | null |
What is the study of the vital statistics of populations and how they change over time?
|
[
"anthropology",
"demography",
"ethnography",
"sociology"
] |
demography
|
Answer the following multiple-choice question.
Question: What is the study of the vital statistics of populations and how they change over time?
Options:
A. anthropology
B. demography
C. ethnography
D. sociology
Which option is correct and why?
|
The correct answer is: demography.
|
Like ants and termites, they grow fungi inside the bark of trees and use it to help do what?
|
[
"digest food",
"weaken enemies",
"clean the nest",
"kill prey"
] |
digest food
|
Answer the following multiple-choice question.
Question: Like ants and termites, they grow fungi inside the bark of trees and use it to help do what?
Options:
A. digest food
B. weaken enemies
C. clean the nest
D. kill prey
Which option is correct and why?
|
The correct answer is: digest food.
|
On June 1st, it's the first day of winter in
|
[
"the sun",
"the Kepler belt",
"the southern hemisphere",
"the northern hemisphere"
] |
the southern hemisphere
|
Answer the following multiple-choice question.
Question: On June 1st, it's the first day of winter in
Options:
A. the sun
B. the Kepler belt
C. the southern hemisphere
D. the northern hemisphere
Which option is correct and why?
|
The correct answer is: the southern hemisphere.
|
If a zebra has more black than white on its body and has a calf, that calf
|
[
"will be dark brown",
"will be mostly white",
"will be quite bald",
"will be mostly black"
] |
will be mostly black
|
Answer the following multiple-choice question.
Question: If a zebra has more black than white on its body and has a calf, that calf
Options:
A. will be dark brown
B. will be mostly white
C. will be quite bald
D. will be mostly black
Which option is correct and why?
|
The correct answer is: will be mostly black.
|
What are the outpocketings of the digestive tract that remove nitrogenous wastes and function in osmoregulation?
|
[
"intestinal tubules",
"integumentary tubules",
"olivary tubules",
"malpighian tubules"
] |
malpighian tubules
|
Answer the following multiple-choice question.
Question: What are the outpocketings of the digestive tract that remove nitrogenous wastes and function in osmoregulation?
Options:
A. intestinal tubules
B. integumentary tubules
C. olivary tubules
D. malpighian tubules
Which option is correct and why?
|
The correct answer is: malpighian tubules.
|
How are protozoa that cause giardiasis spread?
|
[
"food and water",
"insects",
"starch and water",
"lakes and rivers"
] |
food and water
|
Answer the following multiple-choice question.
Question: How are protozoa that cause giardiasis spread?
Options:
A. food and water
B. insects
C. starch and water
D. lakes and rivers
Which option is correct and why?
|
The correct answer is: food and water.
|
How are aquatic biomes often classified?
|
[
"amount of light",
"amount of life",
"depth",
"amount of salt"
] |
amount of salt
|
Answer the following multiple-choice question.
Question: How are aquatic biomes often classified?
Options:
A. amount of light
B. amount of life
C. depth
D. amount of salt
Which option is correct and why?
|
The correct answer is: amount of salt.
|
What is water falling from the sky called?
|
[
"erosion",
"precipitation",
"distillation",
"vaporization"
] |
precipitation
|
Answer the following multiple-choice question.
Question: What is water falling from the sky called?
Options:
A. erosion
B. precipitation
C. distillation
D. vaporization
Which option is correct and why?
|
The correct answer is: precipitation.
|
What were the electrons initially called?
|
[
"cathode rays",
"gamma rays",
"plasma rays",
"polymer rays"
] |
cathode rays
|
Answer the following multiple-choice question.
Question: What were the electrons initially called?
Options:
A. cathode rays
B. gamma rays
C. plasma rays
D. polymer rays
Which option is correct and why?
|
The correct answer is: cathode rays.
|
Where is the only place an electric charge can be found?
|
[
"conductor",
"neuron",
"ion",
"translator"
] |
conductor
|
Answer the following multiple-choice question.
Question: Where is the only place an electric charge can be found?
Options:
A. conductor
B. neuron
C. ion
D. translator
Which option is correct and why?
|
The correct answer is: conductor.
|
What do earthworms mix?
|
[
"roots",
"rocks",
"soil",
"nitrogen",
"ocean",
"Carbon",
"Crops",
"well"
] |
soil
|
Answer the following multiple-choice question.
Question: What do earthworms mix?
Options:
A. roots
B. rocks
C. soil
D. nitrogen
E. ocean
F. Carbon
G. Crops
H. well
Which option is correct and why?
|
The correct answer is: soil.
|
Acetyl-coa is formed from the breakdown of carbohydrates, lipids, and what else?
|
[
"proteins",
"hormones",
"hydrocarbons",
"acids"
] |
proteins
|
Answer the following multiple-choice question.
Question: Acetyl-coa is formed from the breakdown of carbohydrates, lipids, and what else?
Options:
A. proteins
B. hormones
C. hydrocarbons
D. acids
Which option is correct and why?
|
The correct answer is: proteins.
|
Scientists will often observe and then what the reason why a phenomenon occurred?
|
[
"theorize",
"normalize",
"realize",
"hypothesize"
] |
hypothesize
|
Answer the following multiple-choice question.
Question: Scientists will often observe and then what the reason why a phenomenon occurred?
Options:
A. theorize
B. normalize
C. realize
D. hypothesize
Which option is correct and why?
|
The correct answer is: hypothesize.
|
What is the name of the organelle that helps make and transport proteins and lipids?
|
[
"nucleus",
"mitochondria",
"plasma membrane",
"endoplasmic reticulum"
] |
endoplasmic reticulum
|
Answer the following multiple-choice question.
Question: What is the name of the organelle that helps make and transport proteins and lipids?
Options:
A. nucleus
B. mitochondria
C. plasma membrane
D. endoplasmic reticulum
Which option is correct and why?
|
The correct answer is: endoplasmic reticulum.
|
What is the name of the spacecraft that has performed the closest flyby of uranus?
|
[
"Mercury 7",
"Zodiac 4",
"centaur 2",
"voyager 2"
] |
voyager 2
|
Answer the following multiple-choice question.
Question: What is the name of the spacecraft that has performed the closest flyby of uranus?
Options:
A. Mercury 7
B. Zodiac 4
C. centaur 2
D. voyager 2
Which option is correct and why?
|
The correct answer is: voyager 2.
|
When a species always migrates, what is this type of migration called?
|
[
"emigration",
"genus migration",
"mass migration",
"obligate migration"
] |
obligate migration
|
Answer the following multiple-choice question.
Question: When a species always migrates, what is this type of migration called?
Options:
A. emigration
B. genus migration
C. mass migration
D. obligate migration
Which option is correct and why?
|
The correct answer is: obligate migration.
|
What kind of charge does a neutron have?
|
[
"neutral",
"negative",
"positive",
"static"
] |
neutral
|
Answer the following multiple-choice question.
Question: What kind of charge does a neutron have?
Options:
A. neutral
B. negative
C. positive
D. static
Which option is correct and why?
|
The correct answer is: neutral.
|
How do yeasts reproduce?
|
[
"bisexual",
"asexually",
"homosexual",
"preferentially"
] |
asexually
|
Answer the following multiple-choice question.
Question: How do yeasts reproduce?
Options:
A. bisexual
B. asexually
C. homosexual
D. preferentially
Which option is correct and why?
|
The correct answer is: asexually.
|
A compass uses natural magnetism so it works only because
|
[
"the world is positive",
"the world is wet",
"the Earth is fat",
"the Earth yanks it"
] |
the Earth yanks it
|
Answer the following multiple-choice question.
Question: A compass uses natural magnetism so it works only because
Options:
A. the world is positive
B. the world is wet
C. the Earth is fat
D. the Earth yanks it
Which option is correct and why?
|
The correct answer is: the Earth yanks it.
|
null | null | null | null | null |
What is the common term for single-celled fungi?
|
[
"sponges",
"yeasts",
"mushrooms",
"prokaryotes"
] |
yeasts
|
Answer the following multiple-choice question.
Question: What is the common term for single-celled fungi?
Options:
A. sponges
B. yeasts
C. mushrooms
D. prokaryotes
Which option is correct and why?
|
The correct answer is: yeasts.
|
Name the 3 ocean zones.
|
[
"coral, intertidal, apogean",
"amphidromic, cotidal, benthic",
"cotidal, intertidal, exotidal",
"intertidal, pelagic, benthic"
] |
intertidal, pelagic, benthic
|
Answer the following multiple-choice question.
Question: Name the 3 ocean zones.
Options:
A. coral, intertidal, apogean
B. amphidromic, cotidal, benthic
C. cotidal, intertidal, exotidal
D. intertidal, pelagic, benthic
Which option is correct and why?
|
The correct answer is: intertidal, pelagic, benthic.
|
What according to scientists is the major cause of depression?
|
[
"high fat diets",
"high serotonin levels",
"low serotonin levels",
"low thyroid levels"
] |
low serotonin levels
|
Answer the following multiple-choice question.
Question: What according to scientists is the major cause of depression?
Options:
A. high fat diets
B. high serotonin levels
C. low serotonin levels
D. low thyroid levels
Which option is correct and why?
|
The correct answer is: low serotonin levels.
|
Which of the following is more likely to create sound?
|
[
"Someone making their hand vibrate really quickly",
"Someone holding a violin",
"An owl soaring overhead",
"Someone dragging a bow on a string"
] |
Someone dragging a bow on a string
|
Answer the following multiple-choice question.
Question: Which of the following is more likely to create sound?
Options:
A. Someone making their hand vibrate really quickly
B. Someone holding a violin
C. An owl soaring overhead
D. Someone dragging a bow on a string
Which option is correct and why?
|
The correct answer is: Someone dragging a bow on a string.
|
A cactus stem is used for storing what?
|
[
"roots",
"rain",
"cactus seeds",
"CO2",
"RNA",
"calories",
"H20",
"h2o"
] |
H20
|
Answer the following multiple-choice question.
Question: A cactus stem is used for storing what?
Options:
A. roots
B. rain
C. cactus seeds
D. CO2
E. RNA
F. calories
G. H20
H. h2o
Which option is correct and why?
|
The correct answer is: H20.
|
Each antibody can bind with just one specific type of what, resulting in a signal for a phagocyte to destroy them?
|
[
"adhesion",
"pathogen",
"immunogen",
"antigen"
] |
antigen
|
Answer the following multiple-choice question.
Question: Each antibody can bind with just one specific type of what, resulting in a signal for a phagocyte to destroy them?
Options:
A. adhesion
B. pathogen
C. immunogen
D. antigen
Which option is correct and why?
|
The correct answer is: antigen.
|
What is a DNA strand?
|
[
"more abundant",
"Plant reproduction",
"keeping the dog warm",
"flow of electrons",
"Something to move",
"fertile",
"Polynucleotide",
"negative"
] |
Polynucleotide
|
Answer the following multiple-choice question.
Question: What is a DNA strand?
Options:
A. more abundant
B. Plant reproduction
C. keeping the dog warm
D. flow of electrons
E. Something to move
F. fertile
G. Polynucleotide
H. negative
Which option is correct and why?
|
The correct answer is: Polynucleotide.
|
What causes weather changes?
|
[
"the moon",
"the earth orbiting the sun",
"degrees Celsius",
"the environment",
"agriculture",
"Greenhouse gases",
"global warming",
"rivers"
] |
the earth orbiting the sun
|
Answer the following multiple-choice question.
Question: What causes weather changes?
Options:
A. the moon
B. the earth orbiting the sun
C. degrees Celsius
D. the environment
E. agriculture
F. Greenhouse gases
G. global warming
H. rivers
Which option is correct and why?
|
The correct answer is: the earth orbiting the sun.
|
How would you measure the perimeter of the outside of an object?
|
[
"With a scale.",
"With a ruler.",
"With a thermometer.",
"With a hydrometer.",
"by indirect light",
"Under 32 degrees",
"focusing a lens",
"electron microscope"
] |
With a ruler.
|
Answer the following multiple-choice question.
Question: How would you measure the perimeter of the outside of an object?
Options:
A. With a scale.
B. With a ruler.
C. With a thermometer.
D. With a hydrometer.
E. by indirect light
F. Under 32 degrees
G. focusing a lens
H. electron microscope
Which option is correct and why?
|
The correct answer is: With a ruler..
|
null | null | null | null | null |
What type of compound is hydrogen chloride?
|
[
"metal",
"covalent",
"ionic",
"polar"
] |
covalent
|
Answer the following multiple-choice question.
Question: What type of compound is hydrogen chloride?
Options:
A. metal
B. covalent
C. ionic
D. polar
Which option is correct and why?
|
The correct answer is: covalent.
|
Which theory describes the benzene molecule and other planar aromatic hydrocarbon molecules as hexagonal rings of sp2-hybridized carbon atoms with the unhybridized p orbital of each carbon atom perpendicular to the plane of the ring?
|
[
"molecular orbital theory",
"valence bond theory",
"hybrid orbital theory",
"covalent bond theory"
] |
valence bond theory
|
Answer the following multiple-choice question.
Question: Which theory describes the benzene molecule and other planar aromatic hydrocarbon molecules as hexagonal rings of sp2-hybridized carbon atoms with the unhybridized p orbital of each carbon atom perpendicular to the plane of the ring?
Options:
A. molecular orbital theory
B. valence bond theory
C. hybrid orbital theory
D. covalent bond theory
Which option is correct and why?
|
The correct answer is: valence bond theory.
|
Red giants are stars that fuse what element into larger atoms?
|
[
"oxygen",
"carbon",
"hydrogen",
"helium"
] |
helium
|
Answer the following multiple-choice question.
Question: Red giants are stars that fuse what element into larger atoms?
Options:
A. oxygen
B. carbon
C. hydrogen
D. helium
Which option is correct and why?
|
The correct answer is: helium.
|
If a car is stuck and people need to move it
|
[
"they use horses to pull it",
"they are really stuck",
"they use their bodies to shove",
"they push it into the air"
] |
they use their bodies to shove
|
Answer the following multiple-choice question.
Question: If a car is stuck and people need to move it
Options:
A. they use horses to pull it
B. they are really stuck
C. they use their bodies to shove
D. they push it into the air
Which option is correct and why?
|
The correct answer is: they use their bodies to shove.
|
human planet revolves around the sun in
|
[
"a day",
"a week",
"365 earthen rotations",
"a eon"
] |
365 earthen rotations
|
Answer the following multiple-choice question.
Question: human planet revolves around the sun in
Options:
A. a day
B. a week
C. 365 earthen rotations
D. a eon
Which option is correct and why?
|
The correct answer is: 365 earthen rotations.
|
liquid precipitation causes what?
|
[
"erosion",
"streams.",
"drought",
"rainfall",
"bodies",
"flooding",
"Pollution",
"sand"
] |
erosion
|
Answer the following multiple-choice question.
Question: liquid precipitation causes what?
Options:
A. erosion
B. streams.
C. drought
D. rainfall
E. bodies
F. flooding
G. Pollution
H. sand
Which option is correct and why?
|
The correct answer is: erosion.
|
What can appear due to accidental alterations of the genetic code in a cell?
|
[
"symptoms",
"hyperthyroidism",
"Plastic cell membranes",
"Metallic DNA",
"Groupings of nano-cells",
"New traits",
"disease",
"viruses"
] |
New traits
|
Answer the following multiple-choice question.
Question: What can appear due to accidental alterations of the genetic code in a cell?
Options:
A. symptoms
B. hyperthyroidism
C. Plastic cell membranes
D. Metallic DNA
E. Groupings of nano-cells
F. New traits
G. disease
H. viruses
Which option is correct and why?
|
The correct answer is: New traits.
|
Professionals known as genetic counselors can help them understand the risks of?
|
[
"disease",
"children being affected",
"infection",
"contagion"
] |
children being affected
|
Answer the following multiple-choice question.
Question: Professionals known as genetic counselors can help them understand the risks of?
Options:
A. disease
B. children being affected
C. infection
D. contagion
Which option is correct and why?
|
The correct answer is: children being affected.
|
Bird dogs use their nose to find
|
[
"water foul",
"your keys",
"the Titanic",
"the menu"
] |
water foul
|
Answer the following multiple-choice question.
Question: Bird dogs use their nose to find
Options:
A. water foul
B. your keys
C. the Titanic
D. the menu
Which option is correct and why?
|
The correct answer is: water foul.
|
what influences the ability of organisms to micro-evolve to their environment?
|
[
"seeds",
"skies",
"laughter",
"resistance",
"vegetation",
"wind",
"climate",
"Energy"
] |
climate
|
Answer the following multiple-choice question.
Question: what influences the ability of organisms to micro-evolve to their environment?
Options:
A. seeds
B. skies
C. laughter
D. resistance
E. vegetation
F. wind
G. climate
H. Energy
Which option is correct and why?
|
The correct answer is: climate.
|
what can the eye sense?
|
[
"colors",
"magnetism",
"distance",
"light",
"smells",
"chemicals",
"nerves",
"temperature"
] |
colors
|
Answer the following multiple-choice question.
Question: what can the eye sense?
Options:
A. colors
B. magnetism
C. distance
D. light
E. smells
F. chemicals
G. nerves
H. temperature
Which option is correct and why?
|
The correct answer is: colors.
|
Sperms can help prokaryotes what?
|
[
"live",
"work",
"move",
"form",
"grow",
"growth",
"Energy",
"fusion"
] |
move
|
Answer the following multiple-choice question.
Question: Sperms can help prokaryotes what?
Options:
A. live
B. work
C. move
D. form
E. grow
F. growth
G. Energy
H. fusion
Which option is correct and why?
|
The correct answer is: move.
|
In the tropics what are the prevailing winds called?
|
[
"tradewinds",
"storm winds",
"crosswinds",
"a front"
] |
tradewinds
|
Answer the following multiple-choice question.
Question: In the tropics what are the prevailing winds called?
Options:
A. tradewinds
B. storm winds
C. crosswinds
D. a front
Which option is correct and why?
|
The correct answer is: tradewinds.
|
Yolk is a very fragile substance found in the eggs of reptiles and needs protection. what serves as protection for the yolk?
|
[
"eye sac",
"dish sac",
"fish sac",
"yolk sac"
] |
yolk sac
|
Answer the following multiple-choice question.
Question: Yolk is a very fragile substance found in the eggs of reptiles and needs protection. what serves as protection for the yolk?
Options:
A. eye sac
B. dish sac
C. fish sac
D. yolk sac
Which option is correct and why?
|
The correct answer is: yolk sac.
|
What produces enzymes that digest carbohydrates in plant cell walls?
|
[
"pollen",
"bacteria",
"protists",
"algae"
] |
bacteria
|
Answer the following multiple-choice question.
Question: What produces enzymes that digest carbohydrates in plant cell walls?
Options:
A. pollen
B. bacteria
C. protists
D. algae
Which option is correct and why?
|
The correct answer is: bacteria.
|
Hunting any kind of animal will eventually cause that species population numbers to
|
[
"go down",
"phone number",
"atomic number",
"egg shell number"
] |
go down
|
Answer the following multiple-choice question.
Question: Hunting any kind of animal will eventually cause that species population numbers to
Options:
A. go down
B. phone number
C. atomic number
D. egg shell number
Which option is correct and why?
|
The correct answer is: go down.
|
What type of winds blow over a limited area?
|
[
"hurricanes",
"local winds",
"trade winds",
"gales"
] |
local winds
|
Answer the following multiple-choice question.
Question: What type of winds blow over a limited area?
Options:
A. hurricanes
B. local winds
C. trade winds
D. gales
Which option is correct and why?
|
The correct answer is: local winds.
|
What are two of the most common vision problems?
|
[
"blindness and astigmatism",
"nearsightedness and farsightedness",
"myopia and nearsightedness",
"cross-eye and blindness"
] |
nearsightedness and farsightedness
|
Answer the following multiple-choice question.
Question: What are two of the most common vision problems?
Options:
A. blindness and astigmatism
B. nearsightedness and farsightedness
C. myopia and nearsightedness
D. cross-eye and blindness
Which option is correct and why?
|
The correct answer is: nearsightedness and farsightedness.
|
A mad scientist is spawning a Xenomorph and wants to know how many acid dripping fangs it'll have. What is the best tool at his disposal to acquire this information?
|
[
"a Punnett chart",
"square Ouija board",
"square plastic beaker",
"today's weather forecast"
] |
a Punnett chart
|
Answer the following multiple-choice question.
Question: A mad scientist is spawning a Xenomorph and wants to know how many acid dripping fangs it'll have. What is the best tool at his disposal to acquire this information?
Options:
A. a Punnett chart
B. square Ouija board
C. square plastic beaker
D. today's weather forecast
Which option is correct and why?
|
The correct answer is: a Punnett chart.
|
Igniting the shuttles boosters causes it to
|
[
"explode",
"stop midair",
"accelerate",
"decelerate"
] |
accelerate
|
Answer the following multiple-choice question.
Question: Igniting the shuttles boosters causes it to
Options:
A. explode
B. stop midair
C. accelerate
D. decelerate
Which option is correct and why?
|
The correct answer is: accelerate.
|
the surface of a beach is formed by what?
|
[
"cracking",
"ocean surface",
"water type",
"sun's heat",
"water waves",
"forces",
"evaporation",
"water views"
] |
water waves
|
Answer the following multiple-choice question.
Question: the surface of a beach is formed by what?
Options:
A. cracking
B. ocean surface
C. water type
D. sun's heat
E. water waves
F. forces
G. evaporation
H. water views
Which option is correct and why?
|
The correct answer is: water waves.
|
What type of flowers offer no reward, such as nectar, to a male wasp?
|
[
"perennials",
"vines",
"ophrys",
"roses"
] |
ophrys
|
Answer the following multiple-choice question.
Question: What type of flowers offer no reward, such as nectar, to a male wasp?
Options:
A. perennials
B. vines
C. ophrys
D. roses
Which option is correct and why?
|
The correct answer is: ophrys.
|
The passenger pigeon, the dodo bird, and the woolly mammoth represent individual cases of what fate?
|
[
"compression",
"extinction",
"isolation",
"accumulation"
] |
extinction
|
Answer the following multiple-choice question.
Question: The passenger pigeon, the dodo bird, and the woolly mammoth represent individual cases of what fate?
Options:
A. compression
B. extinction
C. isolation
D. accumulation
Which option is correct and why?
|
The correct answer is: extinction.
|
The highest point of a wave is called?
|
[
"surge",
"crest",
"threshold",
"frequency"
] |
crest
|
Answer the following multiple-choice question.
Question: The highest point of a wave is called?
Options:
A. surge
B. crest
C. threshold
D. frequency
Which option is correct and why?
|
The correct answer is: crest.
|
Something that when absorbed causes objects to heat take how long to cross to Earth?
|
[
"Light",
"water vapor",
"energy",
"rays or beams",
"sugar",
"8 minutes",
"Energy.",
"A few days"
] |
8 minutes
|
Answer the following multiple-choice question.
Question: Something that when absorbed causes objects to heat take how long to cross to Earth?
Options:
A. Light
B. water vapor
C. energy
D. rays or beams
E. sugar
F. 8 minutes
G. Energy.
H. A few days
Which option is correct and why?
|
The correct answer is: 8 minutes.
|
Pathogenic prokaryotes usually cause illness by producing what?
|
[
"insects",
"ions",
"organisms",
"poisons"
] |
poisons
|
Answer the following multiple-choice question.
Question: Pathogenic prokaryotes usually cause illness by producing what?
Options:
A. insects
B. ions
C. organisms
D. poisons
Which option is correct and why?
|
The correct answer is: poisons.
|
null | null | null | null | null |
What burns to produce the white light in fireworks displays?
|
[
"magnesium in air",
"oxygen in air",
"nitrogen in air",
"helium in air"
] |
magnesium in air
|
Answer the following multiple-choice question.
Question: What burns to produce the white light in fireworks displays?
Options:
A. magnesium in air
B. oxygen in air
C. nitrogen in air
D. helium in air
Which option is correct and why?
|
The correct answer is: magnesium in air.
|
What is a change in the sequence of bases in dna or rna called?
|
[
"evolution",
"mutation",
"radiation",
"infection"
] |
mutation
|
Answer the following multiple-choice question.
Question: What is a change in the sequence of bases in dna or rna called?
Options:
A. evolution
B. mutation
C. radiation
D. infection
Which option is correct and why?
|
The correct answer is: mutation.
|
What are some nematodes?
|
[
"dangerous",
"fungi",
"parasites",
"flying",
"parisitic",
"warm-blooded",
"invincible",
"insects"
] |
parisitic
|
Answer the following multiple-choice question.
Question: What are some nematodes?
Options:
A. dangerous
B. fungi
C. parasites
D. flying
E. parisitic
F. warm-blooded
G. invincible
H. insects
Which option is correct and why?
|
The correct answer is: parisitic.
|
a means of reproduction are commonly found where?
|
[
"spread flower seeds",
"Most plants",
"in soil and water",
"vegetation",
"epidermis and dermis",
"the environment",
"the body's largest organ",
"Earth orbiting the Sun"
] |
in soil and water
|
Answer the following multiple-choice question.
Question: a means of reproduction are commonly found where?
Options:
A. spread flower seeds
B. Most plants
C. in soil and water
D. vegetation
E. epidermis and dermis
F. the environment
G. the body's largest organ
H. Earth orbiting the Sun
Which option is correct and why?
|
The correct answer is: in soil and water.
|
Time, mass, length, and temperature are considered to be what kinds of units?
|
[
"base",
"unitary",
"measurement",
"support"
] |
base
|
Answer the following multiple-choice question.
Question: Time, mass, length, and temperature are considered to be what kinds of units?
Options:
A. base
B. unitary
C. measurement
D. support
Which option is correct and why?
|
The correct answer is: base.
|
What describes a close and long-term interaction between different species?
|
[
"endosymbiosis",
"symbiosis",
"parasitic",
"dermatitis"
] |
symbiosis
|
Answer the following multiple-choice question.
Question: What describes a close and long-term interaction between different species?
Options:
A. endosymbiosis
B. symbiosis
C. parasitic
D. dermatitis
Which option is correct and why?
|
The correct answer is: symbiosis.
|
What mineral that occurs in bones helps combat osteoporosis?
|
[
"iron",
"potassium",
"magnesium",
"calcium"
] |
calcium
|
Answer the following multiple-choice question.
Question: What mineral that occurs in bones helps combat osteoporosis?
Options:
A. iron
B. potassium
C. magnesium
D. calcium
Which option is correct and why?
|
The correct answer is: calcium.
|
What do you call egg-shaped galaxies, which are reddish to yellowish in color because they contain mostly old stars?
|
[
"irregular galaxies",
"spiral galaxies",
"conical galaxies",
"elliptical galaxies"
] |
elliptical galaxies
|
Answer the following multiple-choice question.
Question: What do you call egg-shaped galaxies, which are reddish to yellowish in color because they contain mostly old stars?
Options:
A. irregular galaxies
B. spiral galaxies
C. conical galaxies
D. elliptical galaxies
Which option is correct and why?
|
The correct answer is: elliptical galaxies.
|
What are archaea that live in extremely hot environments called?
|
[
"tardigrades",
"thermophiles",
"hypothermic",
"hemophiliacs"
] |
thermophiles
|
Answer the following multiple-choice question.
Question: What are archaea that live in extremely hot environments called?
Options:
A. tardigrades
B. thermophiles
C. hypothermic
D. hemophiliacs
Which option is correct and why?
|
The correct answer is: thermophiles.
|
What types of things can microscopes see?
|
[
"fossils",
"small",
"big",
"fungus",
"giant",
"ovaries",
"huge",
"images"
] |
small
|
Answer the following multiple-choice question.
Question: What types of things can microscopes see?
Options:
A. fossils
B. small
C. big
D. fungus
E. giant
F. ovaries
G. huge
H. images
Which option is correct and why?
|
The correct answer is: small.
|
what can be depleted of nutrients?
|
[
"oceans",
"swamp vegetation",
"h2o",
"By wind and rain",
"mineral particles and organics",
"clouds",
"wind and erosion",
"the environment"
] |
mineral particles and organics
|
Answer the following multiple-choice question.
Question: what can be depleted of nutrients?
Options:
A. oceans
B. swamp vegetation
C. h2o
D. By wind and rain
E. mineral particles and organics
F. clouds
G. wind and erosion
H. the environment
Which option is correct and why?
|
The correct answer is: mineral particles and organics.
|
What causes rivers to always flow downhill?
|
[
"slope",
"pressure",
"diffusion",
"gravity"
] |
gravity
|
Answer the following multiple-choice question.
Question: What causes rivers to always flow downhill?
Options:
A. slope
B. pressure
C. diffusion
D. gravity
Which option is correct and why?
|
The correct answer is: gravity.
|
What kind of fuels include coal, oil, and natural gas?
|
[
"fossil",
"ancient",
"storage",
"sediment"
] |
fossil
|
Answer the following multiple-choice question.
Question: What kind of fuels include coal, oil, and natural gas?
Options:
A. fossil
B. ancient
C. storage
D. sediment
Which option is correct and why?
|
The correct answer is: fossil.
|
Some pupa may
|
[
"Use wet towels",
"never happen",
"go into sand",
"Eat candy"
] |
go into sand
|
Answer the following multiple-choice question.
Question: Some pupa may
Options:
A. Use wet towels
B. never happen
C. go into sand
D. Eat candy
Which option is correct and why?
|
The correct answer is: go into sand.
|
Which are least likely to be seen in the wild?
|
[
"bird eggs",
"human eggs",
"fish eggs",
"crocodile eggs"
] |
human eggs
|
Answer the following multiple-choice question.
Question: Which are least likely to be seen in the wild?
Options:
A. bird eggs
B. human eggs
C. fish eggs
D. crocodile eggs
Which option is correct and why?
|
The correct answer is: human eggs.
|
What is soil erosion?
|
[
"enormous damage to homes",
"movements in the earth's crust",
"soil regrowth",
"massive damage",
"soil fertilization",
"soil loss through hurricanes",
"soil loss through human works",
"fissures of hot, acidic water"
] |
soil loss through hurricanes
|
Answer the following multiple-choice question.
Question: What is soil erosion?
Options:
A. enormous damage to homes
B. movements in the earth's crust
C. soil regrowth
D. massive damage
E. soil fertilization
F. soil loss through hurricanes
G. soil loss through human works
H. fissures of hot, acidic water
Which option is correct and why?
|
The correct answer is: soil loss through hurricanes.
|
Fish are quickly caught in water because of the webbed feet possessed by a
|
[
"cheetah",
"penguin",
"hippopotamus",
"snake"
] |
penguin
|
Answer the following multiple-choice question.
Question: Fish are quickly caught in water because of the webbed feet possessed by a
Options:
A. cheetah
B. penguin
C. hippopotamus
D. snake
Which option is correct and why?
|
The correct answer is: penguin.
|
Which ingredient may cause chemical change?
|
[
"almonds",
"milk",
"citrus juice",
"olive oil"
] |
citrus juice
|
Answer the following multiple-choice question.
Question: Which ingredient may cause chemical change?
Options:
A. almonds
B. milk
C. citrus juice
D. olive oil
Which option is correct and why?
|
The correct answer is: citrus juice.
|
What is considered to be a unique feature of echinoderms?
|
[
"oil vascular system",
"iron vascular system",
"water vascular system",
"air vascular system"
] |
water vascular system
|
Answer the following multiple-choice question.
Question: What is considered to be a unique feature of echinoderms?
Options:
A. oil vascular system
B. iron vascular system
C. water vascular system
D. air vascular system
Which option is correct and why?
|
The correct answer is: water vascular system.
|
Are humans a new or old species on the earth?
|
[
"extinct",
"old",
"primal",
"new"
] |
new
|
Answer the following multiple-choice question.
Question: Are humans a new or old species on the earth?
Options:
A. extinct
B. old
C. primal
D. new
Which option is correct and why?
|
The correct answer is: new.
|
What is the diffusion of water known as?
|
[
"osmosis",
"hemostasis",
"electrolysis",
"evaporation"
] |
osmosis
|
Answer the following multiple-choice question.
Question: What is the diffusion of water known as?
Options:
A. osmosis
B. hemostasis
C. electrolysis
D. evaporation
Which option is correct and why?
|
The correct answer is: osmosis.
|
null | null | null | null | null |
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