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Glass can become a liquid if
[ "it is baked", "it is frozen", "it is dampened", "it is dyed" ]
it is baked
Answer the following multiple-choice question. Question: Glass can become a liquid if Options: A. it is baked B. it is frozen C. it is dampened D. it is dyed Which option is correct and why?
The correct answer is: it is baked.
A
What should my thermometer read if I want to make sure my home-made popsicles are done?
[ "212 degrees F.", "0 degrees C.", "39 degrees F.", "32 degrees C." ]
0 degrees C.
Answer the following multiple-choice question. Question: What should my thermometer read if I want to make sure my home-made popsicles are done? Options: A. 212 degrees F. B. 0 degrees C. C. 39 degrees F. D. 32 degrees C. Which option is correct and why?
The correct answer is: 0 degrees C..
B
Arthropods have a life cycle with what?
[ "rapid expansion", "survival", "aerobic capacity", "food and shelter", "an organism's body", "reproduce", "barnacles", "mixing genes up" ]
mixing genes up
Answer the following multiple-choice question. Question: Arthropods have a life cycle with what? Options: A. rapid expansion B. survival C. aerobic capacity D. food and shelter E. an organism's body F. reproduce G. barnacles H. mixing genes up Which option is correct and why?
The correct answer is: mixing genes up.
A
What can large waterways be divided into?
[ "loose soil", "properties", "lakes", "body water", "oceans", "Sediment", "creeks", "streams" ]
streams
Answer the following multiple-choice question. Question: What can large waterways be divided into? Options: A. loose soil B. properties C. lakes D. body water E. oceans F. Sediment G. creeks H. streams Which option is correct and why?
The correct answer is: streams.
A
What organism constitutes frothy green "pond scum"?
[ "algae", "bacteria", "sponges", "protozoa" ]
algae
Answer the following multiple-choice question. Question: What organism constitutes frothy green "pond scum"? Options: A. algae B. bacteria C. sponges D. protozoa Which option is correct and why?
The correct answer is: algae.
A
What is a suggested explanation for a phenomenon or a suggested explanation for a relationship between many phenomena called?
[ "hypothesis", "query", "process", "system" ]
hypothesis
Answer the following multiple-choice question. Question: What is a suggested explanation for a phenomenon or a suggested explanation for a relationship between many phenomena called? Options: A. hypothesis B. query C. process D. system Which option is correct and why?
The correct answer is: hypothesis.
A
The volume of what can be measured with a graduated cylinder?
[ "vinegar", "milk", "vapors", "ruler", "blood", "water", "gas", "rocks" ]
water
Answer the following multiple-choice question. Question: The volume of what can be measured with a graduated cylinder? Options: A. vinegar B. milk C. vapors D. ruler E. blood F. water G. gas H. rocks Which option is correct and why?
The correct answer is: water.
A
Arguably the most important ingredient in saliva for digestion is a type of what, which initiates the breakdown of carbohydrates?
[ "enzyme", "fatty", "amino", "genes" ]
enzyme
Answer the following multiple-choice question. Question: Arguably the most important ingredient in saliva for digestion is a type of what, which initiates the breakdown of carbohydrates? Options: A. enzyme B. fatty C. amino D. genes Which option is correct and why?
The correct answer is: enzyme.
A
What type of cells capture light energy, and use carbon dioxide as their carbon source?
[ "blood cells", "sporozoans", "chloroplasts", "photoautotrophs" ]
photoautotrophs
Answer the following multiple-choice question. Question: What type of cells capture light energy, and use carbon dioxide as their carbon source? Options: A. blood cells B. sporozoans C. chloroplasts D. photoautotrophs Which option is correct and why?
The correct answer is: photoautotrophs.
D
Like quarks, gluons may be confined to systems having a total color of what?
[ "yellow", "red", "blue", "white" ]
white
Answer the following multiple-choice question. Question: Like quarks, gluons may be confined to systems having a total color of what? Options: A. yellow B. red C. blue D. white Which option is correct and why?
The correct answer is: white.
D
Muscles pull on bones in order to move them; which is an example of that?
[ "shaking your head in frustration", "rolling your eyes at someone", "wiggling your tongue in your mouth", "wrinkling your nose at a smell" ]
shaking your head in frustration
Answer the following multiple-choice question. Question: Muscles pull on bones in order to move them; which is an example of that? Options: A. shaking your head in frustration B. rolling your eyes at someone C. wiggling your tongue in your mouth D. wrinkling your nose at a smell Which option is correct and why?
The correct answer is: shaking your head in frustration.
A
Snake venom may join the class of drugs collectively known as thrombolytic agents, which can help speed up the degradation of an abnormal what?
[ "clot", "brain", "bone", "bleed" ]
clot
Answer the following multiple-choice question. Question: Snake venom may join the class of drugs collectively known as thrombolytic agents, which can help speed up the degradation of an abnormal what? Options: A. clot B. brain C. bone D. bleed Which option is correct and why?
The correct answer is: clot.
A
Species distributions are a consequence of both ecological and evolutionary what?
[ "fluctuations", "interactions", "isolation", "particles" ]
interactions
Answer the following multiple-choice question. Question: Species distributions are a consequence of both ecological and evolutionary what? Options: A. fluctuations B. interactions C. isolation D. particles Which option is correct and why?
The correct answer is: interactions.
B
What helps an animal move through a river better?
[ "salinity", "scales", "long snout", "long tail", "contracting", "stamina", "long fur", "four limbs" ]
long tail
Answer the following multiple-choice question. Question: What helps an animal move through a river better? Options: A. salinity B. scales C. long snout D. long tail E. contracting F. stamina G. long fur H. four limbs Which option is correct and why?
The correct answer is: long tail.
D
Most of the trash in the ocean is made of what material?
[ "styrofoam", "wood", "hydrocarbons", "plastic" ]
plastic
Answer the following multiple-choice question. Question: Most of the trash in the ocean is made of what material? Options: A. styrofoam B. wood C. hydrocarbons D. plastic Which option is correct and why?
The correct answer is: plastic.
D
Adding sulfur to soil can cause what?
[ "contamination", "flooding", "plants to die", "Pollution", "chemical reaction", "Greenhouse gasses", "global warming", "harmful substances" ]
plants to die
Answer the following multiple-choice question. Question: Adding sulfur to soil can cause what? Options: A. contamination B. flooding C. plants to die D. Pollution E. chemical reaction F. Greenhouse gasses G. global warming H. harmful substances Which option is correct and why?
The correct answer is: plants to die.
C
An iron horseshoe with red stripes is held over a paperclip and
[ "melts it", "drops it", "burns it", "yanks it" ]
yanks it
Answer the following multiple-choice question. Question: An iron horseshoe with red stripes is held over a paperclip and Options: A. melts it B. drops it C. burns it D. yanks it Which option is correct and why?
The correct answer is: yanks it.
D
What was formed by exoskeletons?
[ "heat produced", "remains of prehistoric life", "layers of fat", "The area was once underwater", "the Great Barrier Reef", "the body's largest organ", "sedimentary rocks", "it keeps an organism warm" ]
the Great Barrier Reef
Answer the following multiple-choice question. Question: What was formed by exoskeletons? Options: A. heat produced B. remains of prehistoric life C. layers of fat D. The area was once underwater E. the Great Barrier Reef F. the body's largest organ G. sedimentary rocks H. it keeps an organism warm Which option is co...
The correct answer is: the Great Barrier Reef.
E
The conductive cells within the heart establish the heart rate and transmit it through the what?
[ "myocardium", "meiosis", "neurons", "conduction" ]
myocardium
Answer the following multiple-choice question. Question: The conductive cells within the heart establish the heart rate and transmit it through the what? Options: A. myocardium B. meiosis C. neurons D. conduction Which option is correct and why?
The correct answer is: myocardium.
A
What protects lizards?
[ "The venom they damage predators with", "energy barrier", "The type of food they eat", "Their offspring", "Their body", "shells", "quadriceps", "exoskeleton" ]
Their body
Answer the following multiple-choice question. Question: What protects lizards? Options: A. The venom they damage predators with B. energy barrier C. The type of food they eat D. Their offspring E. Their body F. shells G. quadriceps H. exoskeleton Which option is correct and why?
The correct answer is: Their body.
E
What can increase the amount of nutrients in the soil?
[ "roots", "wind", "worms", "Fungi", "Enzymes", "corn", "trees", "mussels" ]
Fungi
Answer the following multiple-choice question. Question: What can increase the amount of nutrients in the soil? Options: A. roots B. wind C. worms D. Fungi E. Enzymes F. corn G. trees H. mussels Which option is correct and why?
The correct answer is: Fungi.
D
What is the smallest portion of a crystal lattice?
[ "unit cell", "element cell", "ionic cell", "function cell" ]
unit cell
Answer the following multiple-choice question. Question: What is the smallest portion of a crystal lattice? Options: A. unit cell B. element cell C. ionic cell D. function cell Which option is correct and why?
The correct answer is: unit cell.
A
How do heavy alkanes affect the skin?
[ "form a protective layer", "they do not affect the skin", "damage the skin", "color the skin" ]
form a protective layer
Answer the following multiple-choice question. Question: How do heavy alkanes affect the skin? Options: A. form a protective layer B. they do not affect the skin C. damage the skin D. color the skin Which option is correct and why?
The correct answer is: form a protective layer.
A
What facilitates the diffusion of ions across a membrane?
[ "passive transport", "photon channels", "ionic bonds", "ion channels" ]
ion channels
Answer the following multiple-choice question. Question: What facilitates the diffusion of ions across a membrane? Options: A. passive transport B. photon channels C. ionic bonds D. ion channels Which option is correct and why?
The correct answer is: ion channels.
D
What is controlled by regulatory proteins that bind to regulatory elements on dna?
[ "substance transcription", "mRNA", "gene transcription", "amino acids" ]
gene transcription
Answer the following multiple-choice question. Question: What is controlled by regulatory proteins that bind to regulatory elements on dna? Options: A. substance transcription B. mRNA C. gene transcription D. amino acids Which option is correct and why?
The correct answer is: gene transcription.
C
Effective insulation has a positive impact on an animal's what?
[ "heat energy", "survival", "water", "food", "growth", "ideas", "Energy.", "energy" ]
survival
Answer the following multiple-choice question. Question: Effective insulation has a positive impact on an animal's what? Options: A. heat energy B. survival C. water D. food E. growth F. ideas G. Energy. H. energy Which option is correct and why?
The correct answer is: survival.
B
a Punnett square is used to identify the percent chance of a trait being passed down from a parent to its what?
[ "home", "younglings", "animals", "pets" ]
younglings
Answer the following multiple-choice question. Question: a Punnett square is used to identify the percent chance of a trait being passed down from a parent to its what? Options: A. home B. younglings C. animals D. pets Which option is correct and why?
The correct answer is: younglings.
B
how are caves formed?
[ "less water", "eruptions", "Water expanding", "storing water", "volcanoes", "by humans", "chemical erosion", "hard outer covering" ]
chemical erosion
Answer the following multiple-choice question. Question: how are caves formed? Options: A. less water B. eruptions C. Water expanding D. storing water E. volcanoes F. by humans G. chemical erosion H. hard outer covering Which option is correct and why?
The correct answer is: chemical erosion.
A
Glucose, galactose, and fructose are all what?
[ "structoxes", "alucoxes", "hexoses", "fluxes" ]
hexoses
Answer the following multiple-choice question. Question: Glucose, galactose, and fructose are all what? Options: A. structoxes B. alucoxes C. hexoses D. fluxes Which option is correct and why?
The correct answer is: hexoses.
C
What is a small, relatively simple single-celled organism called?
[ "eukaryote", "ribosome", "amoeba", "prokaryote" ]
prokaryote
Answer the following multiple-choice question. Question: What is a small, relatively simple single-celled organism called? Options: A. eukaryote B. ribosome C. amoeba D. prokaryote Which option is correct and why?
The correct answer is: prokaryote.
D
In order to play with a beach ball, you need to fill it with
[ "with ice", "with water", "a gaseous substance", "with oil" ]
a gaseous substance
Answer the following multiple-choice question. Question: In order to play with a beach ball, you need to fill it with Options: A. with ice B. with water C. a gaseous substance D. with oil Which option is correct and why?
The correct answer is: a gaseous substance.
C
What is the layer above the mesophere called?
[ "stratosphere", "troposphere", "thermosphere", "exosphere" ]
stratosphere
Answer the following multiple-choice question. Question: What is the layer above the mesophere called? Options: A. stratosphere B. troposphere C. thermosphere D. exosphere Which option is correct and why?
The correct answer is: stratosphere.
A
What is the chemical name of table sugar?
[ "codeine", "potassium", "cellulose", "sucrose" ]
sucrose
Answer the following multiple-choice question. Question: What is the chemical name of table sugar? Options: A. codeine B. potassium C. cellulose D. sucrose Which option is correct and why?
The correct answer is: sucrose.
D
A cow would prefer
[ "birds", "metals", "sushi", "cucumbers" ]
cucumbers
Answer the following multiple-choice question. Question: A cow would prefer Options: A. birds B. metals C. sushi D. cucumbers Which option is correct and why?
The correct answer is: cucumbers.
D
Boron only occurs naturally in compounds with what element?
[ "nitrogen", "oxygen", "carbon", "helium" ]
oxygen
Answer the following multiple-choice question. Question: Boron only occurs naturally in compounds with what element? Options: A. nitrogen B. oxygen C. carbon D. helium Which option is correct and why?
The correct answer is: oxygen.
B
What is the network of vessels and tissues that carry a clear fluid called lymph called?
[ "vessel system", "lymphatic system", "excretory system", "cleansing system" ]
lymphatic system
Answer the following multiple-choice question. Question: What is the network of vessels and tissues that carry a clear fluid called lymph called? Options: A. vessel system B. lymphatic system C. excretory system D. cleansing system Which option is correct and why?
The correct answer is: lymphatic system.
B
Growth hormones are derived from phospholipds and:
[ "Energy.", "cholesterol", "animals", "layers of fat", "fur and fat", "Chemical energy", "kinetic energy", "Energy" ]
cholesterol
Answer the following multiple-choice question. Question: Growth hormones are derived from phospholipds and: Options: A. Energy. B. cholesterol C. animals D. layers of fat E. fur and fat F. Chemical energy G. kinetic energy H. Energy Which option is correct and why?
The correct answer is: cholesterol.
B
What can the sun create more quickly by adding heat?
[ "heat", "power", "Energy.", "sugar", "vapor", "energy", "Light", "warmth" ]
vapor
Answer the following multiple-choice question. Question: What can the sun create more quickly by adding heat? Options: A. heat B. power C. Energy. D. sugar E. vapor F. energy G. Light H. warmth Which option is correct and why?
The correct answer is: vapor.
E
What are the basic units of the structure and are biodegradable?
[ "leaves", "peat", "paper", "solutes", "cells", "fungi", "trees", "sugar" ]
cells
Answer the following multiple-choice question. Question: What are the basic units of the structure and are biodegradable? Options: A. leaves B. peat C. paper D. solutes E. cells F. fungi G. trees H. sugar Which option is correct and why?
The correct answer is: cells.
E
What does a solar power plant turn sunlight into?
[ "mechanical energy", "batteries", "machinery", "electricity" ]
electricity
Answer the following multiple-choice question. Question: What does a solar power plant turn sunlight into? Options: A. mechanical energy B. batteries C. machinery D. electricity Which option is correct and why?
The correct answer is: electricity.
D
What devices do astronomers use to see objects at wavelengths all across the electromagnetic spectrum?
[ "telescopes", "levels", "spectrographs", "microscopes" ]
telescopes
Answer the following multiple-choice question. Question: What devices do astronomers use to see objects at wavelengths all across the electromagnetic spectrum? Options: A. telescopes B. levels C. spectrographs D. microscopes Which option is correct and why?
The correct answer is: telescopes.
A
something will attract magnets if that something contains a large amount of what kind of material?
[ "strong", "water", "liquid", "rare-earth minerals" ]
rare-earth minerals
Answer the following multiple-choice question. Question: something will attract magnets if that something contains a large amount of what kind of material? Options: A. strong B. water C. liquid D. rare-earth minerals Which option is correct and why?
The correct answer is: rare-earth minerals.
D
What do some animals do to adjust to hot temperatures?
[ "they run", "they hunt", "they perspire", "they fly" ]
they perspire
Answer the following multiple-choice question. Question: What do some animals do to adjust to hot temperatures? Options: A. they run B. they hunt C. they perspire D. they fly Which option is correct and why?
The correct answer is: they perspire.
C
What are connected to structural and functional units of the nervous system?
[ "eardrum", "axons", "bacteria", "cilia", "organ", "motors", "skin cells", "nerves" ]
axons
Answer the following multiple-choice question. Question: What are connected to structural and functional units of the nervous system? Options: A. eardrum B. axons C. bacteria D. cilia E. organ F. motors G. skin cells H. nerves Which option is correct and why?
The correct answer is: axons.
B
The energy in sunlight is also known as what kind of energy?
[ "kinetic energy", "geothermal energy", "potential energy", "solar energy" ]
solar energy
Answer the following multiple-choice question. Question: The energy in sunlight is also known as what kind of energy? Options: A. kinetic energy B. geothermal energy C. potential energy D. solar energy Which option is correct and why?
The correct answer is: solar energy.
D
If a fox shuffles off the mortal coil, then that fox
[ "is a burden", "ceases to exist", "is missing", "is pregnant" ]
ceases to exist
Answer the following multiple-choice question. Question: If a fox shuffles off the mortal coil, then that fox Options: A. is a burden B. ceases to exist C. is missing D. is pregnant Which option is correct and why?
The correct answer is: ceases to exist.
B
What kind of plants do not need adaptations for absorbing, transporting, and conserving water?
[ "terrestrial plants", "normal plants", "desert plants", "aquatic plants" ]
aquatic plants
Answer the following multiple-choice question. Question: What kind of plants do not need adaptations for absorbing, transporting, and conserving water? Options: A. terrestrial plants B. normal plants C. desert plants D. aquatic plants Which option is correct and why?
The correct answer is: aquatic plants.
D
Mypyramid features colored bands that represent what?
[ "essential vitamins", "caloric content", "popular diets", "food groups" ]
food groups
Answer the following multiple-choice question. Question: Mypyramid features colored bands that represent what? Options: A. essential vitamins B. caloric content C. popular diets D. food groups Which option is correct and why?
The correct answer is: food groups.
D
The simplest organic compounds have hydrogen and what else?
[ "oxygen", "nitrogen", "carbon", "sodium" ]
carbon
Answer the following multiple-choice question. Question: The simplest organic compounds have hydrogen and what else? Options: A. oxygen B. nitrogen C. carbon D. sodium Which option is correct and why?
The correct answer is: carbon.
C
How does the diaphragm look like when it is at rest?
[ "flat", "inverted", "dome-shaped", "dam - shaped" ]
dome-shaped
Answer the following multiple-choice question. Question: How does the diaphragm look like when it is at rest? Options: A. flat B. inverted C. dome-shaped D. dam - shaped Which option is correct and why?
The correct answer is: dome-shaped.
C
What are the primary causes of bone fractures?
[ "sideways impact or bending", "step impact or bending", "overuse", "spiral impact or bending" ]
sideways impact or bending
Answer the following multiple-choice question. Question: What are the primary causes of bone fractures? Options: A. sideways impact or bending B. step impact or bending C. overuse D. spiral impact or bending Which option is correct and why?
The correct answer is: sideways impact or bending.
A
The existence of the plasma membrane was identified in the 1890s, and its chemical components were identified in 1915. the principal components identified at that time were these?
[ "gasses and proteins", "carbohydrates and proteins", "lipids and carbohydrates", "lipids and proteins" ]
lipids and proteins
Answer the following multiple-choice question. Question: The existence of the plasma membrane was identified in the 1890s, and its chemical components were identified in 1915. the principal components identified at that time were these? Options: A. gasses and proteins B. carbohydrates and proteins C. lipids and carboh...
The correct answer is: lipids and proteins.
D
Cells are the microscopic building bricks of what?
[ "floaties", "Plants growth", "vegetation", "cells", "ferns", "organisms", "matter", "fillials" ]
organisms
Answer the following multiple-choice question. Question: Cells are the microscopic building bricks of what? Options: A. floaties B. Plants growth C. vegetation D. cells E. ferns F. organisms G. matter H. fillials Which option is correct and why?
The correct answer is: organisms.
A
The geometry of the bf 3 molecule is called what?
[ "fractal planar", "spherical planar", "distorted planar", "trigonal planar" ]
trigonal planar
Answer the following multiple-choice question. Question: The geometry of the bf 3 molecule is called what? Options: A. fractal planar B. spherical planar C. distorted planar D. trigonal planar Which option is correct and why?
The correct answer is: trigonal planar.
D
What is common in two eukaryotic proteins?
[ "translation", "one domain", "DNA", "cells" ]
one domain
Answer the following multiple-choice question. Question: What is common in two eukaryotic proteins? Options: A. translation B. one domain C. DNA D. cells Which option is correct and why?
The correct answer is: one domain.
B
Acceleration is a vector, and thus has a both a magnitude and what else?
[ "pressure", "wavelength", "direction", "temperature" ]
direction
Answer the following multiple-choice question. Question: Acceleration is a vector, and thus has a both a magnitude and what else? Options: A. pressure B. wavelength C. direction D. temperature Which option is correct and why?
The correct answer is: direction.
C
Plants often use which enticing substance when attracting pollinators?
[ "sweet things", "songs", "comedy", "bees" ]
sweet things
Answer the following multiple-choice question. Question: Plants often use which enticing substance when attracting pollinators? Options: A. sweet things B. songs C. comedy D. bees Which option is correct and why?
The correct answer is: sweet things.
A
Marine invertebrates are likely to be discovered in
[ "rushing streams", "backyard ponds", "clam filled waters", "local pools" ]
clam filled waters
Answer the following multiple-choice question. Question: Marine invertebrates are likely to be discovered in Options: A. rushing streams B. backyard ponds C. clam filled waters D. local pools Which option is correct and why?
The correct answer is: clam filled waters.
C
What do humans eat?
[ "Kelp", "sugar", "legumes", "food", "Eyes", "Coral", "animals", "Squid" ]
Squid
Answer the following multiple-choice question. Question: What do humans eat? Options: A. Kelp B. sugar C. legumes D. food E. Eyes F. Coral G. animals H. Squid Which option is correct and why?
The correct answer is: Squid.
A
Where do marine species mainly live?
[ "Warm waters", "Deposition", "the environment", "limestone", "more abundant", "Deposition.", "our planet", "homogenous" ]
Warm waters
Answer the following multiple-choice question. Question: Where do marine species mainly live? Options: A. Warm waters B. Deposition C. the environment D. limestone E. more abundant F. Deposition. G. our planet H. homogenous Which option is correct and why?
The correct answer is: Warm waters.
A
What happens when heated water is released into a body of water?
[ "thermal pollution", "crystalline pollution", "geysers", "gaseous pollution" ]
thermal pollution
Answer the following multiple-choice question. Question: What happens when heated water is released into a body of water? Options: A. thermal pollution B. crystalline pollution C. geysers D. gaseous pollution Which option is correct and why?
The correct answer is: thermal pollution.
A
What uses Earth 's magnetic patterns to find locations?
[ "pigeons", "cats", "rats", "elephants", "Bats", "salmon", "birds", "humans" ]
birds
Answer the following multiple-choice question. Question: What uses Earth 's magnetic patterns to find locations? Options: A. pigeons B. cats C. rats D. elephants E. Bats F. salmon G. birds H. humans Which option is correct and why?
The correct answer is: birds.
A
What does recycling do to the environment?
[ "prevent heat loss", "coal burning", "it has a positive impact on it", "reducing acid rain", "pollution", "greenhouse gases", "Something that makes plants green", "Enriches the soil" ]
it has a positive impact on it
Answer the following multiple-choice question. Question: What does recycling do to the environment? Options: A. prevent heat loss B. coal burning C. it has a positive impact on it D. reducing acid rain E. pollution F. greenhouse gases G. Something that makes plants green H. Enriches the soil Which option is correct a...
The correct answer is: it has a positive impact on it.
C
What can be thought of as the capacity a device has for storing charge?
[ "potential", "velocity", "resonance", "capacitance" ]
capacitance
Answer the following multiple-choice question. Question: What can be thought of as the capacity a device has for storing charge? Options: A. potential B. velocity C. resonance D. capacitance Which option is correct and why?
The correct answer is: capacitance.
D
A person will make ethanol out of all aside from
[ "salt", "grain", "corn", "maize" ]
salt
Answer the following multiple-choice question. Question: A person will make ethanol out of all aside from Options: A. salt B. grain C. corn D. maize Which option is correct and why?
The correct answer is: salt.
A
ducks can move fast through the water due to their specialized what
[ "feet", "speed", "size", "bills", "Limbs", "beaks", "wings", "Tail" ]
feet
Answer the following multiple-choice question. Question: ducks can move fast through the water due to their specialized what Options: A. feet B. speed C. size D. bills E. Limbs F. beaks G. wings H. Tail Which option is correct and why?
The correct answer is: feet.
A
which of these has the most similar component as the earth itself?
[ "the stone in the yard", "a loaf of bread", "a can of soup", "a glass of water" ]
the stone in the yard
Answer the following multiple-choice question. Question: which of these has the most similar component as the earth itself? Options: A. the stone in the yard B. a loaf of bread C. a can of soup D. a glass of water Which option is correct and why?
The correct answer is: the stone in the yard.
A
what increases the rate of metabolism in cells?
[ "heat energy", "heating liquids", "Smoking", "adding heat", "cigarettes", "smoking cigarettes", "Graves disease", "Dehydration" ]
Graves disease
Answer the following multiple-choice question. Question: what increases the rate of metabolism in cells? Options: A. heat energy B. heating liquids C. Smoking D. adding heat E. cigarettes F. smoking cigarettes G. Graves disease H. Dehydration Which option is correct and why?
The correct answer is: Graves disease.
A
The temperature dependence of solubility can be exploited to prepare what solutions of certain compounds?
[ "supersaturated", "isolated", "instantiated", "mineralized" ]
supersaturated
Answer the following multiple-choice question. Question: The temperature dependence of solubility can be exploited to prepare what solutions of certain compounds? Options: A. supersaturated B. isolated C. instantiated D. mineralized Which option is correct and why?
The correct answer is: supersaturated.
A
What precious resource allows us to grow food as well as materials we turn into clothing and medicine?
[ "mercury", "gasoline", "soil", "petroleum" ]
soil
Answer the following multiple-choice question. Question: What precious resource allows us to grow food as well as materials we turn into clothing and medicine? Options: A. mercury B. gasoline C. soil D. petroleum Which option is correct and why?
The correct answer is: soil.
C
If solutions of differing osmolarities are present on opposite sides of a semipermeable membrane, solvent will transfer from what to what, in terms of osmolarity of the solution?
[ "high to high", "low to low", "low to high", "high to low" ]
low to high
Answer the following multiple-choice question. Question: If solutions of differing osmolarities are present on opposite sides of a semipermeable membrane, solvent will transfer from what to what, in terms of osmolarity of the solution? Options: A. high to high B. low to low C. low to high D. high to low Which option ...
The correct answer is: low to high.
C
What does water vapor in the atmosphere cool and condense into?
[ "puddles", "clouds", "oceans", "rain" ]
clouds
Answer the following multiple-choice question. Question: What does water vapor in the atmosphere cool and condense into? Options: A. puddles B. clouds C. oceans D. rain Which option is correct and why?
The correct answer is: clouds.
B
What does potassium do for plants?
[ "Helps them pollinate", "Helps them grow", "duplicate itself", "hydrate their cells", "Makes them taste better", "hydrogen and oxygen", "Decrease bodily water", "Kills them" ]
Helps them grow
Answer the following multiple-choice question. Question: What does potassium do for plants? Options: A. Helps them pollinate B. Helps them grow C. duplicate itself D. hydrate their cells E. Makes them taste better F. hydrogen and oxygen G. Decrease bodily water H. Kills them Which option is correct and why?
The correct answer is: Helps them grow.
B
Plants derive what from soil?
[ "pollination and germination", "life sustaining substances", "roots and oxygen", "oxygen and argon" ]
life sustaining substances
Answer the following multiple-choice question. Question: Plants derive what from soil? Options: A. pollination and germination B. life sustaining substances C. roots and oxygen D. oxygen and argon Which option is correct and why?
The correct answer is: life sustaining substances.
B
What can be used by animals to share information?
[ "books", "RNA", "energy", "thoughts", "media", "warmth", "saliva", "sound" ]
sound
Answer the following multiple-choice question. Question: What can be used by animals to share information? Options: A. books B. RNA C. energy D. thoughts E. media F. warmth G. saliva H. sound Which option is correct and why?
The correct answer is: sound.
A
The mass of an object causes force exerted by the object which can be described as
[ "Inertial mass", "Velocity", "kinetic energy", "Energy.", "acceleration", "friction", "supersonic", "Force" ]
Inertial mass
Answer the following multiple-choice question. Question: The mass of an object causes force exerted by the object which can be described as Options: A. Inertial mass B. Velocity C. kinetic energy D. Energy. E. acceleration F. friction G. supersonic H. Force Which option is correct and why?
The correct answer is: Inertial mass.
A
What is a source of nectar?
[ "daffodils", "flower toys", "sunlight", "groundwater" ]
daffodils
Answer the following multiple-choice question. Question: What is a source of nectar? Options: A. daffodils B. flower toys C. sunlight D. groundwater Which option is correct and why?
The correct answer is: daffodils.
A
Landslides effect things like
[ "cars", "the sun", "wind", "communities" ]
communities
Answer the following multiple-choice question. Question: Landslides effect things like Options: A. cars B. the sun C. wind D. communities Which option is correct and why?
The correct answer is: communities.
D
What type of animal eats both plants and animals?
[ "omnivores", "insectivores", "herbivores", "carnivores" ]
omnivores
Answer the following multiple-choice question. Question: What type of animal eats both plants and animals? Options: A. omnivores B. insectivores C. herbivores D. carnivores Which option is correct and why?
The correct answer is: omnivores.
A
DNA does what to form the genetic material of a cell during cell division?
[ "condenses", "alleles", "Change colors", "reproduce", "allow growth", "recycling", "It expands", "complex" ]
condenses
Answer the following multiple-choice question. Question: DNA does what to form the genetic material of a cell during cell division? Options: A. condenses B. alleles C. Change colors D. reproduce E. allow growth F. recycling G. It expands H. complex Which option is correct and why?
The correct answer is: condenses.
A
The vanes rotating in an electric fan cause what to move?
[ "energy", "waves", "wind", "cars", "storms", "homes", "Lift", "gases" ]
gases
Answer the following multiple-choice question. Question: The vanes rotating in an electric fan cause what to move? Options: A. energy B. waves C. wind D. cars E. storms F. homes G. Lift H. gases Which option is correct and why?
The correct answer is: gases.
A
Which kind of mutations have the most dramatic effect on proteins?
[ "sight mutations", "cancerous mutations", "nonsense mutations", "arbitrary mutations" ]
nonsense mutations
Answer the following multiple-choice question. Question: Which kind of mutations have the most dramatic effect on proteins? Options: A. sight mutations B. cancerous mutations C. nonsense mutations D. arbitrary mutations Which option is correct and why?
The correct answer is: nonsense mutations.
C
What is the force pushing a rocket called?
[ "direction", "thrust", "momentum", "friction" ]
thrust
Answer the following multiple-choice question. Question: What is the force pushing a rocket called? Options: A. direction B. thrust C. momentum D. friction Which option is correct and why?
The correct answer is: thrust.
B
Most pituitary hormones control other what?
[ "recovery time from fatigue", "multicellular glands", "Veins and arteries.", "the body's largest organ", "major threat to health", "cell glands", "protein codes", "dna" ]
multicellular glands
Answer the following multiple-choice question. Question: Most pituitary hormones control other what? Options: A. recovery time from fatigue B. multicellular glands C. Veins and arteries. D. the body's largest organ E. major threat to health F. cell glands G. protein codes H. dna Which option is correct and why?
The correct answer is: multicellular glands.
B
In the case of the wheelbarrow, the output force or load is between the pivot and the what?
[ "velocity force", "input force", "density force", "Driving Force" ]
input force
Answer the following multiple-choice question. Question: In the case of the wheelbarrow, the output force or load is between the pivot and the what? Options: A. velocity force B. input force C. density force D. Driving Force Which option is correct and why?
The correct answer is: input force.
B
What was the first antiseptic called?
[ "phenol", "chlorine", "acid", "gasoline" ]
phenol
Answer the following multiple-choice question. Question: What was the first antiseptic called? Options: A. phenol B. chlorine C. acid D. gasoline Which option is correct and why?
The correct answer is: phenol.
A
What does the male reproductive system consist of?
[ "structures that collect urine", "structures that produce ova", "structures that produce sperm and secrete testosterone", "organs that produce estrogen" ]
structures that produce sperm and secrete testosterone
Answer the following multiple-choice question. Question: What does the male reproductive system consist of? Options: A. structures that collect urine B. structures that produce ova C. structures that produce sperm and secrete testosterone D. organs that produce estrogen Which option is correct and why?
The correct answer is: structures that produce sperm and secrete testosterone.
C
The number of particles of a substance in a given volume is known as?
[ "concentration", "frequency", "range", "mass" ]
concentration
Answer the following multiple-choice question. Question: The number of particles of a substance in a given volume is known as? Options: A. concentration B. frequency C. range D. mass Which option is correct and why?
The correct answer is: concentration.
A
Moles find prey mainly by using their ability to sense what
[ "temperature", "retina", "warmth", "heat", "pressure", "heat or cold", "an object", "environment" ]
pressure
Answer the following multiple-choice question. Question: Moles find prey mainly by using their ability to sense what Options: A. temperature B. retina C. warmth D. heat E. pressure F. heat or cold G. an object H. environment Which option is correct and why?
The correct answer is: pressure.
E
What type of behavior occurs naturally in all animals of a given species?
[ "observational", "learned", "innate", "reflex" ]
innate
Answer the following multiple-choice question. Question: What type of behavior occurs naturally in all animals of a given species? Options: A. observational B. learned C. innate D. reflex Which option is correct and why?
The correct answer is: innate.
C
In the past, biologists grouped living organisms into five kingdoms: animals, plants, fungi, protists, and what?
[ "trees", "bacteria", "lizards", "pathogens" ]
bacteria
Answer the following multiple-choice question. Question: In the past, biologists grouped living organisms into five kingdoms: animals, plants, fungi, protists, and what? Options: A. trees B. bacteria C. lizards D. pathogens Which option is correct and why?
The correct answer is: bacteria.
B
what substances are relied on for life?
[ "magma", "plants", "poison", "food", "oxygen", "fat", "bases", "battery acid" ]
bases
Answer the following multiple-choice question. Question: what substances are relied on for life? Options: A. magma B. plants C. poison D. food E. oxygen F. fat G. bases H. battery acid Which option is correct and why?
The correct answer is: bases.
A
Small water bodies often fed by springs are called what?
[ "ponds", "oceans", "puddles", "rivers" ]
ponds
Answer the following multiple-choice question. Question: Small water bodies often fed by springs are called what? Options: A. ponds B. oceans C. puddles D. rivers Which option is correct and why?
The correct answer is: ponds.
A
What organ system is comprised of your heart, blood, and blood vessels all working together?
[ "digestive system", "nervous system", "cardiovascular system", "thoraxic system" ]
cardiovascular system
Answer the following multiple-choice question. Question: What organ system is comprised of your heart, blood, and blood vessels all working together? Options: A. digestive system B. nervous system C. cardiovascular system D. thoraxic system Which option is correct and why?
The correct answer is: cardiovascular system.
C
What is formed when two dna strands link together in an antiparallel direction and are twisted?
[ "guanine", "anti-helix", "double helix", "RNA" ]
double helix
Answer the following multiple-choice question. Question: What is formed when two dna strands link together in an antiparallel direction and are twisted? Options: A. guanine B. anti-helix C. double helix D. RNA Which option is correct and why?
The correct answer is: double helix.
C
a couple sits on a meadow enjoying a nice picnic, when something runs by with a terrible smell. what could it be?
[ "a raccoon wandering the meadows", "a person with a great cologne", "a little skunk going about its business", "a scarecrow come to life" ]
a little skunk going about its business
Answer the following multiple-choice question. Question: a couple sits on a meadow enjoying a nice picnic, when something runs by with a terrible smell. what could it be? Options: A. a raccoon wandering the meadows B. a person with a great cologne C. a little skunk going about its business D. a scarecrow come to life ...
The correct answer is: a little skunk going about its business.
C
What does gasoline release when it separates?
[ "kinetic energy", "heat energy", "Organic compounds", "Decrease bodily water", "water vapor", "Chemical energy", "hydrogen and oxygen", "carbon dioxide" ]
Organic compounds
Answer the following multiple-choice question. Question: What does gasoline release when it separates? Options: A. kinetic energy B. heat energy C. Organic compounds D. Decrease bodily water E. water vapor F. Chemical energy G. hydrogen and oxygen H. carbon dioxide Which option is correct and why?
The correct answer is: Organic compounds.
C
what have varied life cycles?
[ "absorb light energy", "mountains", "h2o", "biological diversity", "Chlorophyll", "remains of prehistoric life", "clouds", "simplest green plants" ]
simplest green plants
Answer the following multiple-choice question. Question: what have varied life cycles? Options: A. absorb light energy B. mountains C. h2o D. biological diversity E. Chlorophyll F. remains of prehistoric life G. clouds H. simplest green plants Which option is correct and why?
The correct answer is: simplest green plants.
A
what do scaled animals use scales for?
[ "swimming", "Weight", "digestion", "energy", "camouflage", "flying", "it needs them", "energy barrier" ]
camouflage
Answer the following multiple-choice question. Question: what do scaled animals use scales for? Options: A. swimming B. Weight C. digestion D. energy E. camouflage F. flying G. it needs them H. energy barrier Which option is correct and why?
The correct answer is: camouflage.
E
What is created by the polymerization of glucose?
[ "cellulose", "carbonate", "methane", "glucose" ]
cellulose
Answer the following multiple-choice question. Question: What is created by the polymerization of glucose? Options: A. cellulose B. carbonate C. methane D. glucose Which option is correct and why?
The correct answer is: cellulose.
A