question
stringlengths
4
399
choices
listlengths
4
8
correct_answer
stringlengths
1
116
prompt
stringlengths
146
739
completion
stringlengths
25
140
answer
stringclasses
5 values
What is the transfer of thermal energy by waves that can travel through empty space called?
[ "convection", "induction", "radiation", "vibration" ]
radiation
Answer the following multiple-choice question. Question: What is the transfer of thermal energy by waves that can travel through empty space called? Options: A. convection B. induction C. radiation D. vibration Which option is correct and why?
The correct answer is: radiation.
C
What are prairie dogs protected from?
[ "colder weather", "deforestation", "sun's heat", "disease", "threatened", "a wild fire", "A virus", "cold air" ]
a wild fire
Answer the following multiple-choice question. Question: What are prairie dogs protected from? Options: A. colder weather B. deforestation C. sun's heat D. disease E. threatened F. a wild fire G. A virus H. cold air Which option is correct and why?
The correct answer is: a wild fire.
A
The earliest cells were prokaryotes, surrounded by a cell membrane but lacking which key structure?
[ "lysosomes", "mitochondria", "nucleus", "ribosomes" ]
nucleus
Answer the following multiple-choice question. Question: The earliest cells were prokaryotes, surrounded by a cell membrane but lacking which key structure? Options: A. lysosomes B. mitochondria C. nucleus D. ribosomes Which option is correct and why?
The correct answer is: nucleus.
C
A mouse give birth to ____ while a bird give birth to ____
[ "mouse eggs; live babies", "live babies; unhatched eggs", "live babies; live babies", "mouse eggs; rat eggs" ]
live babies; unhatched eggs
Answer the following multiple-choice question. Question: A mouse give birth to ____ while a bird give birth to ____ Options: A. mouse eggs; live babies B. live babies; unhatched eggs C. live babies; live babies D. mouse eggs; rat eggs Which option is correct and why?
The correct answer is: live babies; unhatched eggs.
B
The composition of the magma determines if the rock is mafic, felsic, or what?
[ "intermediate", "porous", "magnetic", "variable" ]
intermediate
Answer the following multiple-choice question. Question: The composition of the magma determines if the rock is mafic, felsic, or what? Options: A. intermediate B. porous C. magnetic D. variable Which option is correct and why?
The correct answer is: intermediate.
A
plants cell walls are readily broken down by what
[ "Heavy rains", "heat energy", "acetic acid", "microbes", "fossil fuels", "heat", "bacteria", "chemicals" ]
microbes
Answer the following multiple-choice question. Question: plants cell walls are readily broken down by what Options: A. Heavy rains B. heat energy C. acetic acid D. microbes E. fossil fuels F. heat G. bacteria H. chemicals Which option is correct and why?
The correct answer is: microbes.
D
A way that scientists determined whether previously known planets truly are still such is based on whether
[ "they complete rotations", "they have atmosphere", "they are glowing", "they have life" ]
they complete rotations
Answer the following multiple-choice question. Question: A way that scientists determined whether previously known planets truly are still such is based on whether Options: A. they complete rotations B. they have atmosphere C. they are glowing D. they have life Which option is correct and why?
The correct answer is: they complete rotations.
A
if food is not immediately used for energy then that food will be converted into what
[ "glucose", "fat", "fuel", "Heat", "skin", "fire", "hair", "Gas" ]
fat
Answer the following multiple-choice question. Question: if food is not immediately used for energy then that food will be converted into what Options: A. glucose B. fat C. fuel D. Heat E. skin F. fire G. hair H. Gas Which option is correct and why?
The correct answer is: fat.
B
Stratified rock forms what?
[ "Calcium carbonate", "hurricanes", "soft soil", "permineralization", "the Himalayas", "hard outer covering", "snow", "glaciers" ]
the Himalayas
Answer the following multiple-choice question. Question: Stratified rock forms what? Options: A. Calcium carbonate B. hurricanes C. soft soil D. permineralization E. the Himalayas F. hard outer covering G. snow H. glaciers Which option is correct and why?
The correct answer is: the Himalayas.
E
What is used to keep foods as simple and as natural as possible?
[ "Energy", "sodium", "lipids", "heat", "RNA", "cold", "fibers", "sugar" ]
cold
Answer the following multiple-choice question. Question: What is used to keep foods as simple and as natural as possible? Options: A. Energy B. sodium C. lipids D. heat E. RNA F. cold G. fibers H. sugar Which option is correct and why?
The correct answer is: cold.
A
Playing is one way what learns how to behave?
[ "bacteria", "Man", "roaches", "koalas", "dogs", "humans", "toads", "bears" ]
dogs
Answer the following multiple-choice question. Question: Playing is one way what learns how to behave? Options: A. bacteria B. Man C. roaches D. koalas E. dogs F. humans G. toads H. bears Which option is correct and why?
The correct answer is: dogs.
E
What helps regulate the production of urine?
[ "the discrete gland", "the pituitary gland", "the fetal gland", "the temporal gland" ]
the pituitary gland
Answer the following multiple-choice question. Question: What helps regulate the production of urine? Options: A. the discrete gland B. the pituitary gland C. the fetal gland D. the temporal gland Which option is correct and why?
The correct answer is: the pituitary gland.
B
What do you call the diffusion of solutes through transport proteins in the plasma membrane?
[ "Osmosis", "necessitated diffusion", "exposed diffusion", "facilitated diffusion" ]
facilitated diffusion
Answer the following multiple-choice question. Question: What do you call the diffusion of solutes through transport proteins in the plasma membrane? Options: A. Osmosis B. necessitated diffusion C. exposed diffusion D. facilitated diffusion Which option is correct and why?
The correct answer is: facilitated diffusion.
D
What may be likely to distance itself from humans?
[ "meteors", "lodgepole pines", "snow monkeys", "advanced robots" ]
snow monkeys
Answer the following multiple-choice question. Question: What may be likely to distance itself from humans? Options: A. meteors B. lodgepole pines C. snow monkeys D. advanced robots Which option is correct and why?
The correct answer is: snow monkeys.
C
Essential minerals that the body needs in tiny quantities are called what?
[ "flux minerals", "trace minerals", "draw minerals", "byproduct minerals" ]
trace minerals
Answer the following multiple-choice question. Question: Essential minerals that the body needs in tiny quantities are called what? Options: A. flux minerals B. trace minerals C. draw minerals D. byproduct minerals Which option is correct and why?
The correct answer is: trace minerals.
B
Which list contains all satellites?
[ "a plane and a helicopter", "Venus and the Kuiper belt", "space shuttles and rocket launch platforms", "the ISS, the moon, Europa" ]
the ISS, the moon, Europa
Answer the following multiple-choice question. Question: Which list contains all satellites? Options: A. a plane and a helicopter B. Venus and the Kuiper belt C. space shuttles and rocket launch platforms D. the ISS, the moon, Europa Which option is correct and why?
The correct answer is: the ISS, the moon, Europa.
D
What can be determined with radioactive dating?
[ "the age of algae", "the age of flowers", "the age of mammals", "basic building blocks of life", "dead organisms", "movement of tectonic plates", "the age of petrified wood", "objects that have mass" ]
the age of petrified wood
Answer the following multiple-choice question. Question: What can be determined with radioactive dating? Options: A. the age of algae B. the age of flowers C. the age of mammals D. basic building blocks of life E. dead organisms F. movement of tectonic plates G. the age of petrified wood H. objects that have mass Which option is correct and why?
The correct answer is: the age of petrified wood.
A
All animals need to be what during cold conditions in order to survive?
[ "in space", "warm enough", "Freezing", "lying down" ]
warm enough
Answer the following multiple-choice question. Question: All animals need to be what during cold conditions in order to survive? Options: A. in space B. warm enough C. Freezing D. lying down Which option is correct and why?
The correct answer is: warm enough.
B
Because plants lack what kind of system, their first line of defense is usually the death of cells surrounding infected tissue to prevent spread of infection?
[ "digestion system", "nervous system", "immune system", "hormones system" ]
immune system
Answer the following multiple-choice question. Question: Because plants lack what kind of system, their first line of defense is usually the death of cells surrounding infected tissue to prevent spread of infection? Options: A. digestion system B. nervous system C. immune system D. hormones system Which option is correct and why?
The correct answer is: immune system.
C
When a hemisphere is tilted towards the sun , that hemisphere receives
[ "wavelengths and photons", "more erosion", "electromagnetic energy", "higher pressure", "rays or beams", "colors of the spectrum", "more percipatation", "higher temperatures" ]
higher temperatures
Answer the following multiple-choice question. Question: When a hemisphere is tilted towards the sun , that hemisphere receives Options: A. wavelengths and photons B. more erosion C. electromagnetic energy D. higher pressure E. rays or beams F. colors of the spectrum G. more percipatation H. higher temperatures Which option is correct and why?
The correct answer is: higher temperatures.
A
What type of vertebrates are birds?
[ "exothermic", "endothermic tetrapod", "invertebrates", "epidermal tetrapod" ]
endothermic tetrapod
Answer the following multiple-choice question. Question: What type of vertebrates are birds? Options: A. exothermic B. endothermic tetrapod C. invertebrates D. epidermal tetrapod Which option is correct and why?
The correct answer is: endothermic tetrapod.
B
what can be used for detecting texture?
[ "satellites", "fingers", "hair", "playing", "saliva", "waves", "gloves", "Smooth" ]
fingers
Answer the following multiple-choice question. Question: what can be used for detecting texture? Options: A. satellites B. fingers C. hair D. playing E. saliva F. waves G. gloves H. Smooth Which option is correct and why?
The correct answer is: fingers.
B
what responds to daily and seasonal cycles and to disease?
[ "bees", "insects", "resistance", "agriculture", "humans", "tortoises", "cactuses", "vegetation" ]
cactuses
Answer the following multiple-choice question. Question: what responds to daily and seasonal cycles and to disease? Options: A. bees B. insects C. resistance D. agriculture E. humans F. tortoises G. cactuses H. vegetation Which option is correct and why?
The correct answer is: cactuses.
A
Bones are the main organs of what system, which also includes cartilage and ligaments?
[ "skeletal system", "lymphatic system", "digestive system", "endocrine system" ]
skeletal system
Answer the following multiple-choice question. Question: Bones are the main organs of what system, which also includes cartilage and ligaments? Options: A. skeletal system B. lymphatic system C. digestive system D. endocrine system Which option is correct and why?
The correct answer is: skeletal system.
A
What is the name of a tough, fibrous membrane which protects the outer layer of bone?
[ "cartilage", "marrow", "the epithelium", "the periosteum" ]
the periosteum
Answer the following multiple-choice question. Question: What is the name of a tough, fibrous membrane which protects the outer layer of bone? Options: A. cartilage B. marrow C. the epithelium D. the periosteum Which option is correct and why?
The correct answer is: the periosteum.
D
You might recycle plastic by creating
[ "happiness", "love", "beanies", "the sun" ]
beanies
Answer the following multiple-choice question. Question: You might recycle plastic by creating Options: A. happiness B. love C. beanies D. the sun Which option is correct and why?
The correct answer is: beanies.
C
The rate of heat transfer by radiation is largely determined by what?
[ "scope", "color", "sound", "environment" ]
color
Answer the following multiple-choice question. Question: The rate of heat transfer by radiation is largely determined by what? Options: A. scope B. color C. sound D. environment Which option is correct and why?
The correct answer is: color.
B
A bucket full to the brim with water is left outside. If the day is warm, by the end of the day, the bucket will be
[ "wood", "gone", "full", "emptier" ]
emptier
Answer the following multiple-choice question. Question: A bucket full to the brim with water is left outside. If the day is warm, by the end of the day, the bucket will be Options: A. wood B. gone C. full D. emptier Which option is correct and why?
The correct answer is: emptier.
D
A person playing a song on a string instrument makes strings
[ "mold", "bawl", "tear", "shudder" ]
shudder
Answer the following multiple-choice question. Question: A person playing a song on a string instrument makes strings Options: A. mold B. bawl C. tear D. shudder Which option is correct and why?
The correct answer is: shudder.
D
what consists of organic molecules that stores energy in its chemical bonds?
[ "plants", "legumes", "food", "steak", "edible", "apples", "toads", "glucose" ]
steak
Answer the following multiple-choice question. Question: what consists of organic molecules that stores energy in its chemical bonds? Options: A. plants B. legumes C. food D. steak E. edible F. apples G. toads H. glucose Which option is correct and why?
The correct answer is: steak.
D
What type of amplitudes and wavelengths avoid detection in deep water?
[ "low and long", "high and long", "low and wide", "high and wide" ]
low and long
Answer the following multiple-choice question. Question: What type of amplitudes and wavelengths avoid detection in deep water? Options: A. low and long B. high and long C. low and wide D. high and wide Which option is correct and why?
The correct answer is: low and long.
A
Which of the following can be found on the moon?
[ "Non-volcanic Mountains", "Life-filled Oceans", "Volcanic Mountains", "Multiple Land Masses" ]
Non-volcanic Mountains
Answer the following multiple-choice question. Question: Which of the following can be found on the moon? Options: A. Non-volcanic Mountains B. Life-filled Oceans C. Volcanic Mountains D. Multiple Land Masses Which option is correct and why?
The correct answer is: Non-volcanic Mountains.
A
What do vertebrate chordates have?
[ "aerobic capacity", "primitive structures", "a spinal cord and nerves", "invertebrate structures", "Veins and arteries.", "cell walls", "characteristics", "principals of aerodynamics" ]
a spinal cord and nerves
Answer the following multiple-choice question. Question: What do vertebrate chordates have? Options: A. aerobic capacity B. primitive structures C. a spinal cord and nerves D. invertebrate structures E. Veins and arteries. F. cell walls G. characteristics H. principals of aerodynamics Which option is correct and why?
The correct answer is: a spinal cord and nerves.
C
What has vascular tissue?
[ "rocks", "the Sun", "trees", "plants", "grass", "Conifers", "all plankton", "Oak" ]
plants
Answer the following multiple-choice question. Question: What has vascular tissue? Options: A. rocks B. the Sun C. trees D. plants E. grass F. Conifers G. all plankton H. Oak Which option is correct and why?
The correct answer is: plants.
D
What term that shows how fast a population is growing includes new members added to the population over a given period, as well as old members removed from the population?
[ "growth rate", "population density", "birth rate", "emigration" ]
growth rate
Answer the following multiple-choice question. Question: What term that shows how fast a population is growing includes new members added to the population over a given period, as well as old members removed from the population? Options: A. growth rate B. population density C. birth rate D. emigration Which option is correct and why?
The correct answer is: growth rate.
A
Which of these might use plants for an energy source
[ "television", "station wagon", "toy car", "action figure" ]
station wagon
Answer the following multiple-choice question. Question: Which of these might use plants for an energy source Options: A. television B. station wagon C. toy car D. action figure Which option is correct and why?
The correct answer is: station wagon.
B
What causes changes in characteristics of living things over time?
[ "mutations", "science", "parents", "environment", "light energy", "news", "alleles", "animals" ]
mutations
Answer the following multiple-choice question. Question: What causes changes in characteristics of living things over time? Options: A. mutations B. science C. parents D. environment E. light energy F. news G. alleles H. animals Which option is correct and why?
The correct answer is: mutations.
A
A person needing to know if a ball is orange or turquoise can decide by sparing it a
[ "meal", "thought", "dollar", "peek" ]
peek
Answer the following multiple-choice question. Question: A person needing to know if a ball is orange or turquoise can decide by sparing it a Options: A. meal B. thought C. dollar D. peek Which option is correct and why?
The correct answer is: peek.
D
What are nutrients a source of energy for?
[ "water", "whales", "stars", "plastids" ]
whales
Answer the following multiple-choice question. Question: What are nutrients a source of energy for? Options: A. water B. whales C. stars D. plastids Which option is correct and why?
The correct answer is: whales.
B
Which can is depleted permanently?
[ "bright sunlight", "corn", "polluted water", "coal" ]
coal
Answer the following multiple-choice question. Question: Which can is depleted permanently? Options: A. bright sunlight B. corn C. polluted water D. coal Which option is correct and why?
The correct answer is: coal.
D
What decomposes in soil?
[ "swamp vegetation", "roundworms", "Echinoids", "tunicates", "Earthworms", "some invertebrates", "most cephalopods", "Plant and animals" ]
Plant and animals
Answer the following multiple-choice question. Question: What decomposes in soil? Options: A. swamp vegetation B. roundworms C. Echinoids D. tunicates E. Earthworms F. some invertebrates G. most cephalopods H. Plant and animals Which option is correct and why?
The correct answer is: Plant and animals.
A
Plants and trees suck up carbon dioxide, so if trees are cut down, carbon levels will
[ "cry", "fly", "escalate", "go down" ]
escalate
Answer the following multiple-choice question. Question: Plants and trees suck up carbon dioxide, so if trees are cut down, carbon levels will Options: A. cry B. fly C. escalate D. go down Which option is correct and why?
The correct answer is: escalate.
C
Modern plants reflect what kind of changes that have occurred over many, many years?
[ "unknown changes", "tendency changes", "evolutionary changes", "tissue changes" ]
evolutionary changes
Answer the following multiple-choice question. Question: Modern plants reflect what kind of changes that have occurred over many, many years? Options: A. unknown changes B. tendency changes C. evolutionary changes D. tissue changes Which option is correct and why?
The correct answer is: evolutionary changes.
C
the decrease of something required by an organism has a negative impact on that organism 's what?
[ "soil", "being", "survival knife", "wood" ]
being
Answer the following multiple-choice question. Question: the decrease of something required by an organism has a negative impact on that organism 's what? Options: A. soil B. being C. survival knife D. wood Which option is correct and why?
The correct answer is: being.
B
What do you call vesicle transport into the cell?
[ "dialysis", "metastasis", "passive transport", "endocytosis" ]
endocytosis
Answer the following multiple-choice question. Question: What do you call vesicle transport into the cell? Options: A. dialysis B. metastasis C. passive transport D. endocytosis Which option is correct and why?
The correct answer is: endocytosis.
D
The everglades where nearly wiped out by
[ "the sun", "builders", "sea cows", "alligators" ]
builders
Answer the following multiple-choice question. Question: The everglades where nearly wiped out by Options: A. the sun B. builders C. sea cows D. alligators Which option is correct and why?
The correct answer is: builders.
B
What is absorbed from food waste in the large intestine before it passes out of the body as feces?
[ "dependent water", "distilled water", "excess water", "inactive water" ]
excess water
Answer the following multiple-choice question. Question: What is absorbed from food waste in the large intestine before it passes out of the body as feces? Options: A. dependent water B. distilled water C. excess water D. inactive water Which option is correct and why?
The correct answer is: excess water.
C
Steel, bronze, and brass are good examples of what?
[ "alloys", "metalloids", "elements", "salts" ]
alloys
Answer the following multiple-choice question. Question: Steel, bronze, and brass are good examples of what? Options: A. alloys B. metalloids C. elements D. salts Which option is correct and why?
The correct answer is: alloys.
A
Cacti are adapted to what?
[ "the snow", "dry environments", "Animal survival", "survival", "tropical regions", "moist environments", "relocation", "salt and water." ]
dry environments
Answer the following multiple-choice question. Question: Cacti are adapted to what? Options: A. the snow B. dry environments C. Animal survival D. survival E. tropical regions F. moist environments G. relocation H. salt and water. Which option is correct and why?
The correct answer is: dry environments.
B
plant life vessels can be harvested in the ground which will change the
[ "moonlight", "surrounding areas habitat", "starlight", "sunlight" ]
surrounding areas habitat
Answer the following multiple-choice question. Question: plant life vessels can be harvested in the ground which will change the Options: A. moonlight B. surrounding areas habitat C. starlight D. sunlight Which option is correct and why?
The correct answer is: surrounding areas habitat.
B
What lets different species of anole lizards live in the same area without competing?
[ "cooperation", "concentration", "variation", "specialization" ]
specialization
Answer the following multiple-choice question. Question: What lets different species of anole lizards live in the same area without competing? Options: A. cooperation B. concentration C. variation D. specialization Which option is correct and why?
The correct answer is: specialization.
D
Sheep tend to favor the side of a mountain with more:
[ "wool", "precipitation", "hydrate their cells", "farmers", "valleys", "scattered light", "food and shelter", "They have thick fur" ]
precipitation
Answer the following multiple-choice question. Question: Sheep tend to favor the side of a mountain with more: Options: A. wool B. precipitation C. hydrate their cells D. farmers E. valleys F. scattered light G. food and shelter H. They have thick fur Which option is correct and why?
The correct answer is: precipitation.
B
What do most mussles have?
[ "Epidermis", "ice", "shells", "snow", "fur", "names", "a cuticle", "alveoli" ]
shells
Answer the following multiple-choice question. Question: What do most mussles have? Options: A. Epidermis B. ice C. shells D. snow E. fur F. names G. a cuticle H. alveoli Which option is correct and why?
The correct answer is: shells.
C
A cloud could form in a home if the conditions were right and steam could
[ "gather", "file", "burn", "stem" ]
gather
Answer the following multiple-choice question. Question: A cloud could form in a home if the conditions were right and steam could Options: A. gather B. file C. burn D. stem Which option is correct and why?
The correct answer is: gather.
A
The skeletons of humans and horses are examples of what?
[ "pliant skeletons", "endoskeletons", "hydroskeleton", "exoskeletons" ]
endoskeletons
Answer the following multiple-choice question. Question: The skeletons of humans and horses are examples of what? Options: A. pliant skeletons B. endoskeletons C. hydroskeleton D. exoskeletons Which option is correct and why?
The correct answer is: endoskeletons.
B
What may become unbalanced if the lungs are working too fast or too slow?
[ "Decibels", "hair on head", "air pressure", "gasoline levels", "Acids", "energy usage", "brain chemistry", "blood pH" ]
blood pH
Answer the following multiple-choice question. Question: What may become unbalanced if the lungs are working too fast or too slow? Options: A. Decibels B. hair on head C. air pressure D. gasoline levels E. Acids F. energy usage G. brain chemistry H. blood pH Which option is correct and why?
The correct answer is: blood pH.
A
A pulley is a simple machine that consists of a grooved wheel and?
[ "a rope", "a lever", "a battery", "a wedge" ]
a rope
Answer the following multiple-choice question. Question: A pulley is a simple machine that consists of a grooved wheel and? Options: A. a rope B. a lever C. a battery D. a wedge Which option is correct and why?
The correct answer is: a rope.
A
While matter is recycled, ecosystems need a constant input of what?
[ "light", "heating", "energy", "food" ]
energy
Answer the following multiple-choice question. Question: While matter is recycled, ecosystems need a constant input of what? Options: A. light B. heating C. energy D. food Which option is correct and why?
The correct answer is: energy.
C
What could be used to fill a beach ball?
[ "Aluminium", "Iron", "Oxygen", "Water" ]
Oxygen
Answer the following multiple-choice question. Question: What could be used to fill a beach ball? Options: A. Aluminium B. Iron C. Oxygen D. Water Which option is correct and why?
The correct answer is: Oxygen.
C
The sum of the kinetic and potential energies of a system’s atoms and molecules is called what?
[ "used energy", "mechanical energy", "stored energy", "internal energy" ]
internal energy
Answer the following multiple-choice question. Question: The sum of the kinetic and potential energies of a system’s atoms and molecules is called what? Options: A. used energy B. mechanical energy C. stored energy D. internal energy Which option is correct and why?
The correct answer is: internal energy.
D
How does a squid produce?
[ "Energy.", "photons", "voltage", "sexually", "Energy", "bioaerosols", "waves", "food" ]
sexually
Answer the following multiple-choice question. Question: How does a squid produce? Options: A. Energy. B. photons C. voltage D. sexually E. Energy F. bioaerosols G. waves H. food Which option is correct and why?
The correct answer is: sexually.
D
What effect does tamiflu have on viruses and cells?
[ "enhances cells", "inhibits spread of virus", "destroys all viruses", "reprograms viruses" ]
inhibits spread of virus
Answer the following multiple-choice question. Question: What effect does tamiflu have on viruses and cells? Options: A. enhances cells B. inhibits spread of virus C. destroys all viruses D. reprograms viruses Which option is correct and why?
The correct answer is: inhibits spread of virus.
B
a plant requires _ to grow
[ "O3", "energy", "O2", "soil", "Sun", "power", "leaves", "lipids" ]
soil
Answer the following multiple-choice question. Question: a plant requires _ to grow Options: A. O3 B. energy C. O2 D. soil E. Sun F. power G. leaves H. lipids Which option is correct and why?
The correct answer is: soil.
D
What involves the reaction of a hydrocarbon with oxygen gas to produce water and carbon dioxide?
[ "combustion reactions", "chemical reactions", "material reactions", "hydrogen reactions" ]
combustion reactions
Answer the following multiple-choice question. Question: What involves the reaction of a hydrocarbon with oxygen gas to produce water and carbon dioxide? Options: A. combustion reactions B. chemical reactions C. material reactions D. hydrogen reactions Which option is correct and why?
The correct answer is: combustion reactions.
A
The moon's gravitational pull on Earth 's oceans causes the vertical movement of what?
[ "oceans", "rivers", "matter", "waves", "deserts", "asteroids", "the sun", "water" ]
water
Answer the following multiple-choice question. Question: The moon's gravitational pull on Earth 's oceans causes the vertical movement of what? Options: A. oceans B. rivers C. matter D. waves E. deserts F. asteroids G. the sun H. water Which option is correct and why?
The correct answer is: water.
A
What can happen to a population when animals begin to migrate?
[ "It expands", "harm them", "it can change species", "Move to another area", "it can eat more", "it can go extinct", "it can fluctuate", "Plant growth is reduced" ]
it can fluctuate
Answer the following multiple-choice question. Question: What can happen to a population when animals begin to migrate? Options: A. It expands B. harm them C. it can change species D. Move to another area E. it can eat more F. it can go extinct G. it can fluctuate H. Plant growth is reduced Which option is correct and why?
The correct answer is: it can fluctuate.
A
Plants can be infected by what?
[ "human pathogens", "infected meat", "Pesticides", "insects", "human papillomavirus", "viruses", "fungi", "bacteria" ]
viruses
Answer the following multiple-choice question. Question: Plants can be infected by what? Options: A. human pathogens B. infected meat C. Pesticides D. insects E. human papillomavirus F. viruses G. fungi H. bacteria Which option is correct and why?
The correct answer is: viruses.
A
What is a radio used for?
[ "radiation", "human contact", "energy", "water" ]
human contact
Answer the following multiple-choice question. Question: What is a radio used for? Options: A. radiation B. human contact C. energy D. water Which option is correct and why?
The correct answer is: human contact.
B
What is the process by which the substances you consume are taken up by the blood?
[ "evaporation", "digestion", "absorption", "filtration" ]
absorption
Answer the following multiple-choice question. Question: What is the process by which the substances you consume are taken up by the blood? Options: A. evaporation B. digestion C. absorption D. filtration Which option is correct and why?
The correct answer is: absorption.
C
The vector of what organism is significant on a map showing the location of malaria?
[ "virus", "worm", "fungi", "mosquito" ]
mosquito
Answer the following multiple-choice question. Question: The vector of what organism is significant on a map showing the location of malaria? Options: A. virus B. worm C. fungi D. mosquito Which option is correct and why?
The correct answer is: mosquito.
D
_ have the amazing capacity to regrow segments.
[ "ferns", "arachnids", "roots", "earthworms", "anthropods", "crustacean", "loose soil", "root growth" ]
earthworms
Answer the following multiple-choice question. Question: _ have the amazing capacity to regrow segments. Options: A. ferns B. arachnids C. roots D. earthworms E. anthropods F. crustacean G. loose soil H. root growth Which option is correct and why?
The correct answer is: earthworms.
D
The Earth may lose a million parts of energy each day but
[ "it loses more", "it has less", "it gains more", "it is soft" ]
it gains more
Answer the following multiple-choice question. Question: The Earth may lose a million parts of energy each day but Options: A. it loses more B. it has less C. it gains more D. it is soft Which option is correct and why?
The correct answer is: it gains more.
C
A bud will want pollen to be extracted and then spread, so it will require
[ "assistance from vice principals", "delivery to the door", "assistance from flying creatures", "help from new neighbors" ]
assistance from flying creatures
Answer the following multiple-choice question. Question: A bud will want pollen to be extracted and then spread, so it will require Options: A. assistance from vice principals B. delivery to the door C. assistance from flying creatures D. help from new neighbors Which option is correct and why?
The correct answer is: assistance from flying creatures.
C
Why must values of specific heat be looked up in tables?
[ "lack of formulas", "difficult to understand", "difficult to memorize", "difficult to calculate" ]
difficult to calculate
Answer the following multiple-choice question. Question: Why must values of specific heat be looked up in tables? Options: A. lack of formulas B. difficult to understand C. difficult to memorize D. difficult to calculate Which option is correct and why?
The correct answer is: difficult to calculate.
D
The skin is a familiar organ made of what kind of tissue?
[ "recurrent tissue", "innate tissue", "aberrant tissue", "epithelial tissue" ]
epithelial tissue
Answer the following multiple-choice question. Question: The skin is a familiar organ made of what kind of tissue? Options: A. recurrent tissue B. innate tissue C. aberrant tissue D. epithelial tissue Which option is correct and why?
The correct answer is: epithelial tissue.
D
Amphibians have what sort of sensing system?
[ "strong", "retina", "four limbs", "chemical", "mechanical", "the eyes", "nerves", "heat or cold" ]
chemical
Answer the following multiple-choice question. Question: Amphibians have what sort of sensing system? Options: A. strong B. retina C. four limbs D. chemical E. mechanical F. the eyes G. nerves H. heat or cold Which option is correct and why?
The correct answer is: chemical.
D
What causes cancer cells to avoid elimination and continue to multiply?
[ "uncontrolled cell division", "continuous cell division", "persistent cell division", "chronic cell division" ]
uncontrolled cell division
Answer the following multiple-choice question. Question: What causes cancer cells to avoid elimination and continue to multiply? Options: A. uncontrolled cell division B. continuous cell division C. persistent cell division D. chronic cell division Which option is correct and why?
The correct answer is: uncontrolled cell division.
A
Biodiversity generally increases from the poles to the area where what is found?
[ "animals", "Fjords", "Most plants", "Icebergs", "Rainforests", "Tundra", "our planet", "Animal survival" ]
Rainforests
Answer the following multiple-choice question. Question: Biodiversity generally increases from the poles to the area where what is found? Options: A. animals B. Fjords C. Most plants D. Icebergs E. Rainforests F. Tundra G. our planet H. Animal survival Which option is correct and why?
The correct answer is: Rainforests.
E
What is fog formed from?
[ "atoms", "antennas", "watershred", "scattered light", "evaporation", "condensed clouds", "Wet weather", "water vapor" ]
water vapor
Answer the following multiple-choice question. Question: What is fog formed from? Options: A. atoms B. antennas C. watershred D. scattered light E. evaporation F. condensed clouds G. Wet weather H. water vapor Which option is correct and why?
The correct answer is: water vapor.
A
An example of conservation is avoiding the use of
[ "clothes", "gasoline", "snow", "air" ]
gasoline
Answer the following multiple-choice question. Question: An example of conservation is avoiding the use of Options: A. clothes B. gasoline C. snow D. air Which option is correct and why?
The correct answer is: gasoline.
B
What tool can be used to bend rays of light?
[ "Compass", "a wave", "fibers", "Magnet", "Pliers", "Prism", "forces", "Newton" ]
Prism
Answer the following multiple-choice question. Question: What tool can be used to bend rays of light? Options: A. Compass B. a wave C. fibers D. Magnet E. Pliers F. Prism G. forces H. Newton Which option is correct and why?
The correct answer is: Prism.
A
Which gland has the largest impact on human metabolism?
[ "three", "Pituitary", "Energy", "Chlorophyll", "Sweat", "energy usage", "Salivary", "Mammary" ]
Pituitary
Answer the following multiple-choice question. Question: Which gland has the largest impact on human metabolism? Options: A. three B. Pituitary C. Energy D. Chlorophyll E. Sweat F. energy usage G. Salivary H. Mammary Which option is correct and why?
The correct answer is: Pituitary.
B
What do you call the separation of ions that occurs when a solid ionic compound dissolves?
[ "dissolution", "decomposition", "dissociation", "deformation" ]
dissociation
Answer the following multiple-choice question. Question: What do you call the separation of ions that occurs when a solid ionic compound dissolves? Options: A. dissolution B. decomposition C. dissociation D. deformation Which option is correct and why?
The correct answer is: dissociation.
C
What can cause people to crash their car?
[ "Long hair", "Greenhouse gases", "Clouds", "smoking cigarettes", "fossil fuels", "energy of moving objects", "Eating and drinking", "Red cars" ]
Eating and drinking
Answer the following multiple-choice question. Question: What can cause people to crash their car? Options: A. Long hair B. Greenhouse gases C. Clouds D. smoking cigarettes E. fossil fuels F. energy of moving objects G. Eating and drinking H. Red cars Which option is correct and why?
The correct answer is: Eating and drinking.
A
Anagen, catagen and telogen are phases in the growth of what, which involves the root and follicle?
[ "brain", "teeth", "hair", "bone" ]
hair
Answer the following multiple-choice question. Question: Anagen, catagen and telogen are phases in the growth of what, which involves the root and follicle? Options: A. brain B. teeth C. hair D. bone Which option is correct and why?
The correct answer is: hair.
C
What by predators cause porcupines to extend their quills?
[ "hypothyroidism", "killing insects", "kisses", "aggression", "love", "hyperthyroidism", "kinetic energy", "cohabitating" ]
aggression
Answer the following multiple-choice question. Question: What by predators cause porcupines to extend their quills? Options: A. hypothyroidism B. killing insects C. kisses D. aggression E. love F. hyperthyroidism G. kinetic energy H. cohabitating Which option is correct and why?
The correct answer is: aggression.
D
A chemical reaction may occur when _____ is added to an object.
[ "interest", "warmth", "puppies", "loss" ]
warmth
Answer the following multiple-choice question. Question: A chemical reaction may occur when _____ is added to an object. Options: A. interest B. warmth C. puppies D. loss Which option is correct and why?
The correct answer is: warmth.
B
Atoms are combined, separated, or rearranged during what?
[ "radiation", "spontaneous mutation", "chemical reactions", "physical reactions" ]
chemical reactions
Answer the following multiple-choice question. Question: Atoms are combined, separated, or rearranged during what? Options: A. radiation B. spontaneous mutation C. chemical reactions D. physical reactions Which option is correct and why?
The correct answer is: chemical reactions.
C
A creature that completely goes unnoticed and unseen against a mottled leaf backdrop is probably
[ "indoors", "glowing", "neon", "matching" ]
matching
Answer the following multiple-choice question. Question: A creature that completely goes unnoticed and unseen against a mottled leaf backdrop is probably Options: A. indoors B. glowing C. neon D. matching Which option is correct and why?
The correct answer is: matching.
D
Examples of what process are evident in many biological systems because cells are surrounded by semipermeable membranes?
[ "photosynthesis", "apoptosis", "osmosis", "reproduction" ]
osmosis
Answer the following multiple-choice question. Question: Examples of what process are evident in many biological systems because cells are surrounded by semipermeable membranes? Options: A. photosynthesis B. apoptosis C. osmosis D. reproduction Which option is correct and why?
The correct answer is: osmosis.
C
Species of organisms that have permanently died out can also be called what?
[ "extinct", "succinct", "occuring", "inherited" ]
extinct
Answer the following multiple-choice question. Question: Species of organisms that have permanently died out can also be called what? Options: A. extinct B. succinct C. occuring D. inherited Which option is correct and why?
The correct answer is: extinct.
A
If a dog is hunting, then
[ "it can sense whales nearby", "it can sense toys around", "it is getting tired", "it can sense something using the olfactory" ]
it can sense something using the olfactory
Answer the following multiple-choice question. Question: If a dog is hunting, then Options: A. it can sense whales nearby B. it can sense toys around C. it is getting tired D. it can sense something using the olfactory Which option is correct and why?
The correct answer is: it can sense something using the olfactory.
D
The genes that code for the positive cell cycle regulators are called what?
[ "stem cell genes", "ribosomes", "proto-oncogenes", "primary genes" ]
proto-oncogenes
Answer the following multiple-choice question. Question: The genes that code for the positive cell cycle regulators are called what? Options: A. stem cell genes B. ribosomes C. proto-oncogenes D. primary genes Which option is correct and why?
The correct answer is: proto-oncogenes.
C
What has a positive impact on an organism's health?
[ "chemical energy", "aerobic capacity", "predators", "exercise", "nutrients", "Proteins", "habitat destruction", "death" ]
chemical energy
Answer the following multiple-choice question. Question: What has a positive impact on an organism's health? Options: A. chemical energy B. aerobic capacity C. predators D. exercise E. nutrients F. Proteins G. habitat destruction H. death Which option is correct and why?
The correct answer is: chemical energy.
A
What can cause melting?
[ "Changing pressure", "Heat energy", "Water expanding", "Evaporation", "converting electricity to heat", "Increase in mass", "Temperature changing", "Chemical reaction" ]
Temperature changing
Answer the following multiple-choice question. Question: What can cause melting? Options: A. Changing pressure B. Heat energy C. Water expanding D. Evaporation E. converting electricity to heat F. Increase in mass G. Temperature changing H. Chemical reaction Which option is correct and why?
The correct answer is: Temperature changing.
A
What do ants use to communicate?
[ "nerves", "heat energy", "sound", "binary code", "light energy", "Antennae.", "megaphones", "hand signals" ]
Antennae.
Answer the following multiple-choice question. Question: What do ants use to communicate? Options: A. nerves B. heat energy C. sound D. binary code E. light energy F. Antennae. G. megaphones H. hand signals Which option is correct and why?
The correct answer is: Antennae..
A
Specialization occurs when competing species evolve techniques to what?
[ "Animal survival", "get hurt", "It helps them survive", "save accommodations", "protect plants", "accommodate differences", "refract or absorb.", "see differences" ]
accommodate differences
Answer the following multiple-choice question. Question: Specialization occurs when competing species evolve techniques to what? Options: A. Animal survival B. get hurt C. It helps them survive D. save accommodations E. protect plants F. accommodate differences G. refract or absorb. H. see differences Which option is correct and why?
The correct answer is: accommodate differences.
A
What is a refrigerator used for?
[ "Electrical energy", "A place to hang magnets", "Cooling your home", "staying warm", "A doorstop", "electricity", "energy usage", "Keeping food fresh" ]
Keeping food fresh
Answer the following multiple-choice question. Question: What is a refrigerator used for? Options: A. Electrical energy B. A place to hang magnets C. Cooling your home D. staying warm E. A doorstop F. electricity G. energy usage H. Keeping food fresh Which option is correct and why?
The correct answer is: Keeping food fresh.
A
Carbon may be stored in what for years?
[ "marble", "peat", "black holes", "coal", "bricks", "wetland", "dogs", "fossils" ]
marble
Answer the following multiple-choice question. Question: Carbon may be stored in what for years? Options: A. marble B. peat C. black holes D. coal E. bricks F. wetland G. dogs H. fossils Which option is correct and why?
The correct answer is: marble.
A
What does ozone in the stratosphere protect us from?
[ "comets", "acid rain", "solar rays", "solar traces" ]
solar rays
Answer the following multiple-choice question. Question: What does ozone in the stratosphere protect us from? Options: A. comets B. acid rain C. solar rays D. solar traces Which option is correct and why?
The correct answer is: solar rays.
C