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Polarization occurs between a charged and what other object?
[ "neutral", "molecular", "motionless", "obsolete" ]
neutral
Answer the following multiple-choice question. Question: Polarization occurs between a charged and what other object? Options: A. neutral B. molecular C. motionless D. obsolete Which option is correct and why?
The correct answer is: neutral.
What gland makes a chemical in the body to increase the rate of metabolism?
[ "sweating", "Follicle", "A drug.", "heat", "lmestone", "endocrine gland", "Pituitary gland", "Thyroid" ]
Thyroid
Answer the following multiple-choice question. Question: What gland makes a chemical in the body to increase the rate of metabolism? Options: A. sweating B. Follicle C. A drug. D. heat E. lmestone F. endocrine gland G. Pituitary gland H. Thyroid Which option is correct and why?
The correct answer is: Thyroid.
What type of bones serve as points of attachment for muscles and often protect internal organs?
[ "short bones", "sesamoid bones", "flat bones", "irregular bones" ]
flat bones
Answer the following multiple-choice question. Question: What type of bones serve as points of attachment for muscles and often protect internal organs? Options: A. short bones B. sesamoid bones C. flat bones D. irregular bones Which option is correct and why?
The correct answer is: flat bones.
what does low pressure weather cause?
[ "Pollution", "flooding", "friction", "clear air", "contamination", "Dehydration", "rainfall", "relocation" ]
clear air
Answer the following multiple-choice question. Question: what does low pressure weather cause? Options: A. Pollution B. flooding C. friction D. clear air E. contamination F. Dehydration G. rainfall H. relocation Which option is correct and why?
The correct answer is: clear air.
Muscles that move what long bone originate on the pelvic girdle?
[ "patella", "sacrum", "tibia", "femur" ]
femur
Answer the following multiple-choice question. Question: Muscles that move what long bone originate on the pelvic girdle? Options: A. patella B. sacrum C. tibia D. femur Which option is correct and why?
The correct answer is: femur.
What sort of circulatory system do frogs, toads, and salamanders share?
[ "live birth", "It helps them survive", "matter vibrating", "two-chambered heart", "Veins and arteries.", "biological diversity", "three-chambered heart", "four-chambered heart" ]
three-chambered heart
Answer the following multiple-choice question. Question: What sort of circulatory system do frogs, toads, and salamanders share? Options: A. live birth B. It helps them survive C. matter vibrating D. two-chambered heart E. Veins and arteries. F. biological diversity G. three-chambered heart H. four-chambered heart Which option is correct and why?
The correct answer is: three-chambered heart.
A place becomes chilly and then animals in that space
[ "sweat more often", "lose more water", "need more hydration", "retain more water" ]
retain more water
Answer the following multiple-choice question. Question: A place becomes chilly and then animals in that space Options: A. sweat more often B. lose more water C. need more hydration D. retain more water Which option is correct and why?
The correct answer is: retain more water.
Molecules of tRNA and amino acids are assembled where?
[ "nucleoli", "A computer", "Cooking", "Most plants", "boiling", "animals", "Power plants", "retina" ]
nucleoli
Answer the following multiple-choice question. Question: Molecules of tRNA and amino acids are assembled where? Options: A. nucleoli B. A computer C. Cooking D. Most plants E. boiling F. animals G. Power plants H. retina Which option is correct and why?
The correct answer is: nucleoli.
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What does every star emit that humans cannot see?
[ "dust", "light", "sound", "radiation" ]
radiation
Answer the following multiple-choice question. Question: What does every star emit that humans cannot see? Options: A. dust B. light C. sound D. radiation Which option is correct and why?
The correct answer is: radiation.
Ions are charged what?
[ "protons", "isotopes", "atoms", "molecules" ]
atoms
Answer the following multiple-choice question. Question: Ions are charged what? Options: A. protons B. isotopes C. atoms D. molecules Which option is correct and why?
The correct answer is: atoms.
How does vegetation give animals security?
[ "It helps them survive", "It keeps them cold", "important habitats", "It kills them", "They can hibernate there", "it keeps an organism warm", "food and shelter", "Exfoliation" ]
It helps them survive
Answer the following multiple-choice question. Question: How does vegetation give animals security? Options: A. It helps them survive B. It keeps them cold C. important habitats D. It kills them E. They can hibernate there F. it keeps an organism warm G. food and shelter H. Exfoliation Which option is correct and why?
The correct answer is: It helps them survive.
The duodenum is a part of which part of the gi tract?
[ "large intense", "ulna", "pharynx", "small intestine" ]
small intestine
Answer the following multiple-choice question. Question: The duodenum is a part of which part of the gi tract? Options: A. large intense B. ulna C. pharynx D. small intestine Which option is correct and why?
The correct answer is: small intestine.
If an animals starts eating fewer calories than its used to, its body will eventually
[ "float", "fly", "shrink", "get bigger" ]
shrink
Answer the following multiple-choice question. Question: If an animals starts eating fewer calories than its used to, its body will eventually Options: A. float B. fly C. shrink D. get bigger Which option is correct and why?
The correct answer is: shrink.
When a cell takes in in oxygen an use cellular respiration it will then expire
[ "water", "smoke", "CO2", "sunlight" ]
CO2
Answer the following multiple-choice question. Question: When a cell takes in in oxygen an use cellular respiration it will then expire Options: A. water B. smoke C. CO2 D. sunlight Which option is correct and why?
The correct answer is: CO2.
Molecular bounds are broken by
[ "ice", "combining vulotile ingredients", "soap and water", "force" ]
combining vulotile ingredients
Answer the following multiple-choice question. Question: Molecular bounds are broken by Options: A. ice B. combining vulotile ingredients C. soap and water D. force Which option is correct and why?
The correct answer is: combining vulotile ingredients.
What part of the cell controls what enters and leaves?
[ "organism", "membrane", "protein", "nucleus" ]
membrane
Answer the following multiple-choice question. Question: What part of the cell controls what enters and leaves? Options: A. organism B. membrane C. protein D. nucleus Which option is correct and why?
The correct answer is: membrane.
What did darwin call the evolutionary concept of change in populations over generations?
[ "reproduction with modifications", "formation with modifications", "descent with modifications", "metabolism with modifications" ]
descent with modifications
Answer the following multiple-choice question. Question: What did darwin call the evolutionary concept of change in populations over generations? Options: A. reproduction with modifications B. formation with modifications C. descent with modifications D. metabolism with modifications Which option is correct and why?
The correct answer is: descent with modifications.
A person in precipitating weather will want to
[ "be electrocuted", "be vanquished", "be drowned", "be safeguarded" ]
be safeguarded
Answer the following multiple-choice question. Question: A person in precipitating weather will want to Options: A. be electrocuted B. be vanquished C. be drowned D. be safeguarded Which option is correct and why?
The correct answer is: be safeguarded.
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Eating usually has what impact on an organism?
[ "survive", "growth", "neutral", "nutrients", "destructive", "positive", "heat", "negative" ]
positive
Answer the following multiple-choice question. Question: Eating usually has what impact on an organism? Options: A. survive B. growth C. neutral D. nutrients E. destructive F. positive G. heat H. negative Which option is correct and why?
The correct answer is: positive.
For an exothermic chemical reaction, energy is given off as reactants are converted to what?
[ "forms", "exports", "imports", "products" ]
products
Answer the following multiple-choice question. Question: For an exothermic chemical reaction, energy is given off as reactants are converted to what? Options: A. forms B. exports C. imports D. products Which option is correct and why?
The correct answer is: products.
Frogs breathe through their skin, which is what?
[ "poured", "filtered", "fibrous", "warm", "unique", "evolving", "porous", "fermented" ]
porous
Answer the following multiple-choice question. Question: Frogs breathe through their skin, which is what? Options: A. poured B. filtered C. fibrous D. warm E. unique F. evolving G. porous H. fermented Which option is correct and why?
The correct answer is: porous.
What can graduated cylinders measure the volume of?
[ "blood", "vapors", "Alcohol", "stars", "the Moon", "atoms", "water", "oil" ]
water
Answer the following multiple-choice question. Question: What can graduated cylinders measure the volume of? Options: A. blood B. vapors C. Alcohol D. stars E. the Moon F. atoms G. water H. oil Which option is correct and why?
The correct answer is: water.
Misalignment problems in gaskets can be increased by:
[ "mechanic", "storms", "wind", "replacement", "force", "heat", "sweat", "cracks" ]
heat
Answer the following multiple-choice question. Question: Misalignment problems in gaskets can be increased by: Options: A. mechanic B. storms C. wind D. replacement E. force F. heat G. sweat H. cracks Which option is correct and why?
The correct answer is: heat.
If a plant is moved from a basement to a field
[ "it will need darkness", "it will be too dark", "it will receive nutriment", "it will now suffocate" ]
it will receive nutriment
Answer the following multiple-choice question. Question: If a plant is moved from a basement to a field Options: A. it will need darkness B. it will be too dark C. it will receive nutriment D. it will now suffocate Which option is correct and why?
The correct answer is: it will receive nutriment.
Burning forests, growing rice and raising livestock all cause a release of what into the atmosphere?
[ "glucose gases", "oxide gases", "carbonate gases", "greenhouse gases" ]
greenhouse gases
Answer the following multiple-choice question. Question: Burning forests, growing rice and raising livestock all cause a release of what into the atmosphere? Options: A. glucose gases B. oxide gases C. carbonate gases D. greenhouse gases Which option is correct and why?
The correct answer is: greenhouse gases.
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What is used for the fermentation process that makes beer, wine, and bread?
[ "barley", "yeast", "whey", "fungi" ]
yeast
Answer the following multiple-choice question. Question: What is used for the fermentation process that makes beer, wine, and bread? Options: A. barley B. yeast C. whey D. fungi Which option is correct and why?
The correct answer is: yeast.
What relatively new addition to and highest level of the system of taxonomic classification includes just three divisions, the eukarya, the archaea, and the bacteria?
[ "branch", "domain", "element", "content" ]
domain
Answer the following multiple-choice question. Question: What relatively new addition to and highest level of the system of taxonomic classification includes just three divisions, the eukarya, the archaea, and the bacteria? Options: A. branch B. domain C. element D. content Which option is correct and why?
The correct answer is: domain.
what uses cellulose for their cell walls?
[ "cactus", "Oak", "Conifers", "Trees", "h2o", "flowers", "insects", "humans" ]
cactus
Answer the following multiple-choice question. Question: what uses cellulose for their cell walls? Options: A. cactus B. Oak C. Conifers D. Trees E. h2o F. flowers G. insects H. humans Which option is correct and why?
The correct answer is: cactus.
What is the type of cancer where bone marrow produces abnormal white blood cells?
[ "anemia", "leukemia", "kidney", "liver" ]
leukemia
Answer the following multiple-choice question. Question: What is the type of cancer where bone marrow produces abnormal white blood cells? Options: A. anemia B. leukemia C. kidney D. liver Which option is correct and why?
The correct answer is: leukemia.
Monatomic cations have the same name as their parent element. what happens to monatomic anions?
[ "ends in - be", "ends in - se", "ends in - fe", "ends in - de" ]
ends in - de
Answer the following multiple-choice question. Question: Monatomic cations have the same name as their parent element. what happens to monatomic anions? Options: A. ends in - be B. ends in - se C. ends in - fe D. ends in - de Which option is correct and why?
The correct answer is: ends in - de.
Who wrote the book, on the origin of species?
[ "Sagan", "shaw", "darwin", "Scopes" ]
darwin
Answer the following multiple-choice question. Question: Who wrote the book, on the origin of species? Options: A. Sagan B. shaw C. darwin D. Scopes Which option is correct and why?
The correct answer is: darwin.
What are all cells surrounded by?
[ "amino acids", "cytoplasm", "cell membrane", "cell substrate" ]
cell membrane
Answer the following multiple-choice question. Question: What are all cells surrounded by? Options: A. amino acids B. cytoplasm C. cell membrane D. cell substrate Which option is correct and why?
The correct answer is: cell membrane.
What are nerves used for?
[ "movement", "Smelling food", "Seeing around you", "To protect the inside of your body", "nervous system", "An object is seen", "To feel things", "animal transport" ]
To feel things
Answer the following multiple-choice question. Question: What are nerves used for? Options: A. movement B. Smelling food C. Seeing around you D. To protect the inside of your body E. nervous system F. An object is seen G. To feel things H. animal transport Which option is correct and why?
The correct answer is: To feel things.
when a river floods, Cashion soils are what?
[ "Sediment", "storing water", "dried out", "destroyed", "threatened", "flooded", "homogenous", "deposited" ]
deposited
Answer the following multiple-choice question. Question: when a river floods, Cashion soils are what? Options: A. Sediment B. storing water C. dried out D. destroyed E. threatened F. flooded G. homogenous H. deposited Which option is correct and why?
The correct answer is: deposited.
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if a student locates their pen on the table across the room, which of these happened?
[ "there was light from pen to cornea", "the pen failed to reflect any light", "none of these", "the person has psychic powers" ]
there was light from pen to cornea
Answer the following multiple-choice question. Question: if a student locates their pen on the table across the room, which of these happened? Options: A. there was light from pen to cornea B. the pen failed to reflect any light C. none of these D. the person has psychic powers Which option is correct and why?
The correct answer is: there was light from pen to cornea.
What is the process in which an atom becomes an ion known as?
[ "electrification", "evaporation", "ionization", "oxidation" ]
ionization
Answer the following multiple-choice question. Question: What is the process in which an atom becomes an ion known as? Options: A. electrification B. evaporation C. ionization D. oxidation Which option is correct and why?
The correct answer is: ionization.
What type of plants were the first to evolve?
[ "nonvascular", "cocklebur", "kilocalorie", "vascular" ]
nonvascular
Answer the following multiple-choice question. Question: What type of plants were the first to evolve? Options: A. nonvascular B. cocklebur C. kilocalorie D. vascular Which option is correct and why?
The correct answer is: nonvascular.
What has a positive impact on a human 's health?
[ "tuna", "viruses", "workouts", "food", "stamina", "worthlessness", "oysters", "overwork" ]
workouts
Answer the following multiple-choice question. Question: What has a positive impact on a human 's health? Options: A. tuna B. viruses C. workouts D. food E. stamina F. worthlessness G. oysters H. overwork Which option is correct and why?
The correct answer is: workouts.
A source of heat could be
[ "an ice cube", "a fan", "holding hands", "a snowflake" ]
holding hands
Answer the following multiple-choice question. Question: A source of heat could be Options: A. an ice cube B. a fan C. holding hands D. a snowflake Which option is correct and why?
The correct answer is: holding hands.
Which tree's leaves change color in autumn
[ "Fir", "wind", "Palm", "blue", "elms", "Oak", "Ficus", "Aves" ]
Oak
Answer the following multiple-choice question. Question: Which tree's leaves change color in autumn Options: A. Fir B. wind C. Palm D. blue E. elms F. Oak G. Ficus H. Aves Which option is correct and why?
The correct answer is: Oak.
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what involves the retina?
[ "gravity", "disease", "h2o", "reacts", "CO 2", "digestion", "painful", "sight" ]
sight
Answer the following multiple-choice question. Question: what involves the retina? Options: A. gravity B. disease C. h2o D. reacts E. CO 2 F. digestion G. painful H. sight Which option is correct and why?
The correct answer is: sight.
What tastes sweet due to sugar?
[ "diet soda", "corn", "ice", "water", "apple", "coffee", "cake", "sugar" ]
cake
Answer the following multiple-choice question. Question: What tastes sweet due to sugar? Options: A. diet soda B. corn C. ice D. water E. apple F. coffee G. cake H. sugar Which option is correct and why?
The correct answer is: cake.
What is the preferred food for almost all primates except for humans?
[ "grass", "wheat", "corn", "fruit" ]
fruit
Answer the following multiple-choice question. Question: What is the preferred food for almost all primates except for humans? Options: A. grass B. wheat C. corn D. fruit Which option is correct and why?
The correct answer is: fruit.
What also receives input from other areas of the forebrain through the medial forebrain bundle?
[ "pituitary gland", "hypothalamus", "optic chiasm", "hippocampus" ]
hypothalamus
Answer the following multiple-choice question. Question: What also receives input from other areas of the forebrain through the medial forebrain bundle? Options: A. pituitary gland B. hypothalamus C. optic chiasm D. hippocampus Which option is correct and why?
The correct answer is: hypothalamus.
What property means that something can return to its original shape after being stretched or compressed?
[ "homeostasis", "elasticity", "viscosity", "friction" ]
elasticity
Answer the following multiple-choice question. Question: What property means that something can return to its original shape after being stretched or compressed? Options: A. homeostasis B. elasticity C. viscosity D. friction Which option is correct and why?
The correct answer is: elasticity.
When scientists work in natural settings rather than a lab, it is called what?
[ "exploratory", "fieldwork", "outside work", "extracurricular activity" ]
fieldwork
Answer the following multiple-choice question. Question: When scientists work in natural settings rather than a lab, it is called what? Options: A. exploratory B. fieldwork C. outside work D. extracurricular activity Which option is correct and why?
The correct answer is: fieldwork.
Where are unsaturated fatty acids commonly found?
[ "oil", "fish", "butter", "animal products" ]
oil
Answer the following multiple-choice question. Question: Where are unsaturated fatty acids commonly found? Options: A. oil B. fish C. butter D. animal products Which option is correct and why?
The correct answer is: oil.
The attractive force between water molecules is what kind of reaction?
[ "symmetrical reaction", "aquatic reaction", "diffusion reaction", "dipole reaction" ]
dipole reaction
Answer the following multiple-choice question. Question: The attractive force between water molecules is what kind of reaction? Options: A. symmetrical reaction B. aquatic reaction C. diffusion reaction D. dipole reaction Which option is correct and why?
The correct answer is: dipole reaction.
What has a negative impact on an organism?
[ "influenza", "sickness", "smallpox", "leukemia", "liver cancer", "food", "air", "water" ]
sickness
Answer the following multiple-choice question. Question: What has a negative impact on an organism? Options: A. influenza B. sickness C. smallpox D. leukemia E. liver cancer F. food G. air H. water Which option is correct and why?
The correct answer is: sickness.
Echinoderms have a unique system for gas exchange, nutrient circulation, and locomotion called the water vascular system. the system consists of a central ring canal and radial canals extending along each arm. water circulates through these structures allowing for gas, nutrient, and this?
[ "water evaporation", "nerve exchange", "cell exchange", "waste exchange" ]
waste exchange
Answer the following multiple-choice question. Question: Echinoderms have a unique system for gas exchange, nutrient circulation, and locomotion called the water vascular system. the system consists of a central ring canal and radial canals extending along each arm. water circulates through these structures allowing for gas, nutrient, and this? Options: A. water evaporation B. nerve exchange C. cell exchange D. waste exchange Which option is correct and why?
The correct answer is: waste exchange.
Living things all require survival and what?
[ "critical organs", "degrading", "genetic diversity", "health", "moisturizing", "reproduction", "swimming", "food and shelter" ]
reproduction
Answer the following multiple-choice question. Question: Living things all require survival and what? Options: A. critical organs B. degrading C. genetic diversity D. health E. moisturizing F. reproduction G. swimming H. food and shelter Which option is correct and why?
The correct answer is: reproduction.
Layers of fat are formed by what type of tissue?
[ "trypanosome tissue", "colchis tissue", "areolar tissue", "adipose tissue" ]
adipose tissue
Answer the following multiple-choice question. Question: Layers of fat are formed by what type of tissue? Options: A. trypanosome tissue B. colchis tissue C. areolar tissue D. adipose tissue Which option is correct and why?
The correct answer is: adipose tissue.
Which of the following has a population of zero?
[ "Merriam's elk", "bison", "llama", "whooping crane" ]
Merriam's elk
Answer the following multiple-choice question. Question: Which of the following has a population of zero? Options: A. Merriam's elk B. bison C. llama D. whooping crane Which option is correct and why?
The correct answer is: Merriam's elk.
Phylum Platyhelminthes are mostly what?
[ "animals", "engorged", "fungi", "infected", "parasitic", "insects", "huge", "free living" ]
parasitic
Answer the following multiple-choice question. Question: Phylum Platyhelminthes are mostly what? Options: A. animals B. engorged C. fungi D. infected E. parasitic F. insects G. huge H. free living Which option is correct and why?
The correct answer is: parasitic.
Because building a house requires a lot of daylight, it's best to do it in
[ "January", "December", "July", "a cave" ]
July
Answer the following multiple-choice question. Question: Because building a house requires a lot of daylight, it's best to do it in Options: A. January B. December C. July D. a cave Which option is correct and why?
The correct answer is: July.
what can fish not make?
[ "fat", "copper", "Mass", "motion", "eggs", "food", "liquid", "sodium" ]
food
Answer the following multiple-choice question. Question: what can fish not make? Options: A. fat B. copper C. Mass D. motion E. eggs F. food G. liquid H. sodium Which option is correct and why?
The correct answer is: food.
What are organelles made of protein and ribosomal rna (rrna)?
[ "chromosomes", "carbons", "ribosomes", "electrons" ]
ribosomes
Answer the following multiple-choice question. Question: What are organelles made of protein and ribosomal rna (rrna)? Options: A. chromosomes B. carbons C. ribosomes D. electrons Which option is correct and why?
The correct answer is: ribosomes.
What is the common term for animals in the phylum porifera?
[ "sharks", "sponges", "crustaceans", "corals" ]
sponges
Answer the following multiple-choice question. Question: What is the common term for animals in the phylum porifera? Options: A. sharks B. sponges C. crustaceans D. corals Which option is correct and why?
The correct answer is: sponges.
What is an example of an object designed to be cool?
[ "a prism", "cold hands", "storing water", "heat sink", "satellites", "naturally occurring ice", "sweating", "heater" ]
heat sink
Answer the following multiple-choice question. Question: What is an example of an object designed to be cool? Options: A. a prism B. cold hands C. storing water D. heat sink E. satellites F. naturally occurring ice G. sweating H. heater Which option is correct and why?
The correct answer is: heat sink.
What splashing can cause harm to humans?
[ "water vapor", "water", "sea squirts", "salt and water.", "air", "flooding", "Pesticides", "sulfuric acid" ]
sulfuric acid
Answer the following multiple-choice question. Question: What splashing can cause harm to humans? Options: A. water vapor B. water C. sea squirts D. salt and water. E. air F. flooding G. Pesticides H. sulfuric acid Which option is correct and why?
The correct answer is: sulfuric acid.
What does does the gravitational pull of the Moon on Earth's oceans cause?
[ "deer calls", "waves", "rivers", "two", "erosion", "trees", "Energy.", "moon cycles" ]
waves
Answer the following multiple-choice question. Question: What does does the gravitational pull of the Moon on Earth's oceans cause? Options: A. deer calls B. waves C. rivers D. two E. erosion F. trees G. Energy. H. moon cycles Which option is correct and why?
The correct answer is: waves.
What will become magnetic in an electromagnet if the battery becomes active?
[ "A nail box", "A construction nail", "A plastic nail", "A wooden nail" ]
A construction nail
Answer the following multiple-choice question. Question: What will become magnetic in an electromagnet if the battery becomes active? Options: A. A nail box B. A construction nail C. A plastic nail D. A wooden nail Which option is correct and why?
The correct answer is: A construction nail.
What is something made from fossil fuel?
[ "Wood", "cigarettes", "vehicles", "gasoline", "Fertilizer", "Plastic", "Cotton fabric", "Fuel cells" ]
Plastic
Answer the following multiple-choice question. Question: What is something made from fossil fuel? Options: A. Wood B. cigarettes C. vehicles D. gasoline E. Fertilizer F. Plastic G. Cotton fabric H. Fuel cells Which option is correct and why?
The correct answer is: Plastic.
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What is something people can survive only a few days without?
[ "Shelter", "Food", "O3", "NaCl", "urea", "H20", "H2O", "Salt" ]
H2O
Answer the following multiple-choice question. Question: What is something people can survive only a few days without? Options: A. Shelter B. Food C. O3 D. NaCl E. urea F. H20 G. H2O H. Salt Which option is correct and why?
The correct answer is: H2O.
When water is heated by magma and makes it's way to the surface what is created?
[ "eruption", "trough", "geyser", "volcanic" ]
geyser
Answer the following multiple-choice question. Question: When water is heated by magma and makes it's way to the surface what is created? Options: A. eruption B. trough C. geyser D. volcanic Which option is correct and why?
The correct answer is: geyser.
Surface tension forces between moleculse cause the surface of liquid to contract to what?
[ "strongest surface area", "typically surface area", "smallest surface area", "Weak Surface area" ]
smallest surface area
Answer the following multiple-choice question. Question: Surface tension forces between moleculse cause the surface of liquid to contract to what? Options: A. strongest surface area B. typically surface area C. smallest surface area D. Weak Surface area Which option is correct and why?
The correct answer is: smallest surface area.
Which process helps bacteria in the gut break down the remains of the digested food?
[ "oxidation", "synthesis", "decomposition", "fermentation" ]
fermentation
Answer the following multiple-choice question. Question: Which process helps bacteria in the gut break down the remains of the digested food? Options: A. oxidation B. synthesis C. decomposition D. fermentation Which option is correct and why?
The correct answer is: fermentation.
What are the devices placed in electric circuits where charge can build up, which store energy when charged and release it when they discharge?
[ "resistors", "generators", "antennas", "capacitors" ]
capacitors
Answer the following multiple-choice question. Question: What are the devices placed in electric circuits where charge can build up, which store energy when charged and release it when they discharge? Options: A. resistors B. generators C. antennas D. capacitors Which option is correct and why?
The correct answer is: capacitors.
what are single-celled organisms that lack a nucleus?
[ "Leeuwenhoek", "orchids", "Most plants", "barnacles", "PDAs", "bacteria", "cacti", "ferns" ]
bacteria
Answer the following multiple-choice question. Question: what are single-celled organisms that lack a nucleus? Options: A. Leeuwenhoek B. orchids C. Most plants D. barnacles E. PDAs F. bacteria G. cacti H. ferns Which option is correct and why?
The correct answer is: bacteria.
The vagina starts at the vulva and ends where?
[ "pelvic brim", "the uterus", "clitoris", "testicle" ]
the uterus
Answer the following multiple-choice question. Question: The vagina starts at the vulva and ends where? Options: A. pelvic brim B. the uterus C. clitoris D. testicle Which option is correct and why?
The correct answer is: the uterus.
If an object undergoes chemical change then that object will have new chemical properties, such as
[ "a drink with water in it", "a toilet with bleach in it", "a soda with lime in it", "a sink with hair in it" ]
a soda with lime in it
Answer the following multiple-choice question. Question: If an object undergoes chemical change then that object will have new chemical properties, such as Options: A. a drink with water in it B. a toilet with bleach in it C. a soda with lime in it D. a sink with hair in it Which option is correct and why?
The correct answer is: a soda with lime in it.
Motor vehicles account for almost half of the consumption of what?
[ "fossil fuel", "greenhouse gases", "hydrocarbon", "electricity" ]
fossil fuel
Answer the following multiple-choice question. Question: Motor vehicles account for almost half of the consumption of what? Options: A. fossil fuel B. greenhouse gases C. hydrocarbon D. electricity Which option is correct and why?
The correct answer is: fossil fuel.
What are chromosomes in the same pair called?
[ "regulated chromosomes", "homogeneous chromosomes", "homologous chromosomes", "reversible chromosomes" ]
homologous chromosomes
Answer the following multiple-choice question. Question: What are chromosomes in the same pair called? Options: A. regulated chromosomes B. homogeneous chromosomes C. homologous chromosomes D. reversible chromosomes Which option is correct and why?
The correct answer is: homologous chromosomes.
Some plants can detect increased levels of what when reflected from leaves of encroaching neighbors?
[ "light", "oxygen", "air", "water" ]
light
Answer the following multiple-choice question. Question: Some plants can detect increased levels of what when reflected from leaves of encroaching neighbors? Options: A. light B. oxygen C. air D. water Which option is correct and why?
The correct answer is: light.
Nonflowering vascular plants have three basic types of leaves: microphylls, fronds, and what other type?
[ "stems", "tubes", "molds", "needles" ]
needles
Answer the following multiple-choice question. Question: Nonflowering vascular plants have three basic types of leaves: microphylls, fronds, and what other type? Options: A. stems B. tubes C. molds D. needles Which option is correct and why?
The correct answer is: needles.
What lives in water that contains little or no salt?
[ "animals", "terrapins", "a fish", "Chlorophyll", "bacteria", "sharks", "sodium", "humans" ]
terrapins
Answer the following multiple-choice question. Question: What lives in water that contains little or no salt? Options: A. animals B. terrapins C. a fish D. Chlorophyll E. bacteria F. sharks G. sodium H. humans Which option is correct and why?
The correct answer is: terrapins.
How many classes of biochemical compounds are there?
[ "three", "four", "one", "five" ]
four
Answer the following multiple-choice question. Question: How many classes of biochemical compounds are there? Options: A. three B. four C. one D. five Which option is correct and why?
The correct answer is: four.
What is the distance between the nuclei of two identical atoms bonded together called?
[ "cycle radius", "atomic radius", "bond radius", "sleep radius" ]
atomic radius
Answer the following multiple-choice question. Question: What is the distance between the nuclei of two identical atoms bonded together called? Options: A. cycle radius B. atomic radius C. bond radius D. sleep radius Which option is correct and why?
The correct answer is: atomic radius.
what is unique to mammals?
[ "fur", "magnetism", "eyes", "scales", "hair", "skin", "wool", "cats" ]
fur
Answer the following multiple-choice question. Question: what is unique to mammals? Options: A. fur B. magnetism C. eyes D. scales E. hair F. skin G. wool H. cats Which option is correct and why?
The correct answer is: fur.
Whisk ferns have yellow sporangia and no what?
[ "stems", "leaves", "flowers", "roots" ]
leaves
Answer the following multiple-choice question. Question: Whisk ferns have yellow sporangia and no what? Options: A. stems B. leaves C. flowers D. roots Which option is correct and why?
The correct answer is: leaves.
Elements with magic numbers of what tend to have more stable isotopes?
[ "protons", "nucleus", "molecules", "pressure" ]
protons
Answer the following multiple-choice question. Question: Elements with magic numbers of what tend to have more stable isotopes? Options: A. protons B. nucleus C. molecules D. pressure Which option is correct and why?
The correct answer is: protons.
What rises through solid rocks where conditions are right?
[ "nitrogen", "water", "magma", "crystals" ]
magma
Answer the following multiple-choice question. Question: What rises through solid rocks where conditions are right? Options: A. nitrogen B. water C. magma D. crystals Which option is correct and why?
The correct answer is: magma.
How many pairs of chromosomes are there?
[ "25", "16", "24", "23" ]
23
Answer the following multiple-choice question. Question: How many pairs of chromosomes are there? Options: A. 25 B. 16 C. 24 D. 23 Which option is correct and why?
The correct answer is: 23.
What to an animal species causes increase in extinction rates?
[ "promoting", "Pesticides", "viruses", "saving", "harming", "helping", "wind", "chickenpox" ]
harming
Answer the following multiple-choice question. Question: What to an animal species causes increase in extinction rates? Options: A. promoting B. Pesticides C. viruses D. saving E. harming F. helping G. wind H. chickenpox Which option is correct and why?
The correct answer is: harming.
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Kool-aid is a mix of what items as a solution?
[ "sugar candy from store", "water fluid within a sugar casing", "soda pop within a can", "sweets grains and flavors dissolved in liquid base of water" ]
sweets grains and flavors dissolved in liquid base of water
Answer the following multiple-choice question. Question: Kool-aid is a mix of what items as a solution? Options: A. sugar candy from store B. water fluid within a sugar casing C. soda pop within a can D. sweets grains and flavors dissolved in liquid base of water Which option is correct and why?
The correct answer is: sweets grains and flavors dissolved in liquid base of water.
What type of cells are arranged into tightly packed sheaths around the veins of the leaf?
[ "pattern - sheath cells", "cellulose", "bundle-sheath cells", "cell walls" ]
bundle-sheath cells
Answer the following multiple-choice question. Question: What type of cells are arranged into tightly packed sheaths around the veins of the leaf? Options: A. pattern - sheath cells B. cellulose C. bundle-sheath cells D. cell walls Which option is correct and why?
The correct answer is: bundle-sheath cells.
What is secreted by organisms like frogspawn to become a reef?
[ "exocrine glands", "food and shelter", "exoskeleton", "bones", "Energy", "Chemical energy", "plasma", "Energy." ]
exoskeleton
Answer the following multiple-choice question. Question: What is secreted by organisms like frogspawn to become a reef? Options: A. exocrine glands B. food and shelter C. exoskeleton D. bones E. Energy F. Chemical energy G. plasma H. Energy. Which option is correct and why?
The correct answer is: exoskeleton.
Tropical rainforests are an example of a climate that occurs near what?
[ "poles", "tundras", "equator", "deserts" ]
equator
Answer the following multiple-choice question. Question: Tropical rainforests are an example of a climate that occurs near what? Options: A. poles B. tundras C. equator D. deserts Which option is correct and why?
The correct answer is: equator.
Oil is formed when sediment layers push on what sort of algae?
[ "coral", "living", "rich", "healthy", "dead", "life", "fungi", "peat" ]
dead
Answer the following multiple-choice question. Question: Oil is formed when sediment layers push on what sort of algae? Options: A. coral B. living C. rich D. healthy E. dead F. life G. fungi H. peat Which option is correct and why?
The correct answer is: dead.
What mammals have a high energy requirement and generate heat?
[ "cats", "bats", "Crustaceans", "bears", "frogs", "lizards", "birds", "mammals" ]
birds
Answer the following multiple-choice question. Question: What mammals have a high energy requirement and generate heat? Options: A. cats B. bats C. Crustaceans D. bears E. frogs F. lizards G. birds H. mammals Which option is correct and why?
The correct answer is: birds.
what absorbs heat?
[ "kinetic energy", "layers of fat", "an object", "fur and fat", "tiny polyps", "our nearest star", "evaporation", "bamboo" ]
evaporation
Answer the following multiple-choice question. Question: what absorbs heat? Options: A. kinetic energy B. layers of fat C. an object D. fur and fat E. tiny polyps F. our nearest star G. evaporation H. bamboo Which option is correct and why?
The correct answer is: evaporation.
Why are noninfectious diseases not contagious?
[ "non-pathogen caused", "they are contagious", "they are viral", "they are inherited" ]
non-pathogen caused
Answer the following multiple-choice question. Question: Why are noninfectious diseases not contagious? Options: A. non-pathogen caused B. they are contagious C. they are viral D. they are inherited Which option is correct and why?
The correct answer is: non-pathogen caused.