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What is present in death at the end of the life cycle
[ "spirits", "Bacteria", "God", "Food" ]
Bacteria
Answer the following multiple-choice question. Question: What is present in death at the end of the life cycle Options: A. spirits B. Bacteria C. God D. Food Which option is correct and why?
The correct answer is: Bacteria.
B
Diagnosing and treating cancer is a beneficial use of what potentially dangerous energy?
[ "radiation", "solar", "thermal", "mechanical" ]
radiation
Answer the following multiple-choice question. Question: Diagnosing and treating cancer is a beneficial use of what potentially dangerous energy? Options: A. radiation B. solar C. thermal D. mechanical Which option is correct and why?
The correct answer is: radiation.
A
A bunny is desperate for food and happily chows down when offered
[ "a meatball", "some oregano", "cat food", "a steak" ]
some oregano
Answer the following multiple-choice question. Question: A bunny is desperate for food and happily chows down when offered Options: A. a meatball B. some oregano C. cat food D. a steak Which option is correct and why?
The correct answer is: some oregano.
B
What extends something because of threatening behavior by predators?
[ "influenza", "chickenpox", "A rodent", "A primate", "A treeshrew", "fur and fat", "A flying lemur", "an object" ]
A rodent
Answer the following multiple-choice question. Question: What extends something because of threatening behavior by predators? Options: A. influenza B. chickenpox C. A rodent D. A primate E. A treeshrew F. fur and fat G. A flying lemur H. an object Which option is correct and why?
The correct answer is: A rodent.
C
What type of matter transmits light without scattering it?
[ "transparent", "opaque", "reflective", "smooth" ]
transparent
Answer the following multiple-choice question. Question: What type of matter transmits light without scattering it? Options: A. transparent B. opaque C. reflective D. smooth Which option is correct and why?
The correct answer is: transparent.
A
Water can flow easily through soil where what has formed and expanded?
[ "bogs", "rock", "Sand", "ice", "moss", "dam", "peat", "stem" ]
ice
Answer the following multiple-choice question. Question: Water can flow easily through soil where what has formed and expanded? Options: A. bogs B. rock C. Sand D. ice E. moss F. dam G. peat H. stem Which option is correct and why?
The correct answer is: ice.
D
An egg requires _ to survive
[ "incubation", "condensation", "Energy.", "heat energy", "nutrients", "energy", "moisture", "oxygen" ]
incubation
Answer the following multiple-choice question. Question: An egg requires _ to survive Options: A. incubation B. condensation C. Energy. D. heat energy E. nutrients F. energy G. moisture H. oxygen Which option is correct and why?
The correct answer is: incubation.
A
Knees and elbows are examples of what part of the skeletal system?
[ "nerves", "muscles", "joints", "cartilage" ]
joints
Answer the following multiple-choice question. Question: Knees and elbows are examples of what part of the skeletal system? Options: A. nerves B. muscles C. joints D. cartilage Which option is correct and why?
The correct answer is: joints.
C
What does a hypothesis become after many experiments provide results supporting it?
[ "a theory", "a study", "a fact", "a model" ]
a theory
Answer the following multiple-choice question. Question: What does a hypothesis become after many experiments provide results supporting it? Options: A. a theory B. a study C. a fact D. a model Which option is correct and why?
The correct answer is: a theory.
A
What uses stems to store water?
[ "bacteria", "humans", "Oak", "rocks", "trees", "ferns", "fens", "amoebae" ]
ferns
Answer the following multiple-choice question. Question: What uses stems to store water? Options: A. bacteria B. humans C. Oak D. rocks E. trees F. ferns G. fens H. amoebae Which option is correct and why?
The correct answer is: ferns.
A
What can a magnet moving in a coil of copper wire cause?
[ "heat is produced", "a lot of human deaths", "heat production", "kinetic energy", "electron transport", "electromagnetic energy", "flow of electric charge", "light energy" ]
flow of electric charge
Answer the following multiple-choice question. Question: What can a magnet moving in a coil of copper wire cause? Options: A. heat is produced B. a lot of human deaths C. heat production D. kinetic energy E. electron transport F. electromagnetic energy G. flow of electric charge H. light energy Which option is correct and why?
The correct answer is: flow of electric charge.
A
Most tunicates live a sessile existence in shallow ocean waters and are suspension feeders. the primary foods of tunicates are plankton and this?
[ "detritus", "debris", "crustaceans", "bacteria" ]
detritus
Answer the following multiple-choice question. Question: Most tunicates live a sessile existence in shallow ocean waters and are suspension feeders. the primary foods of tunicates are plankton and this? Options: A. detritus B. debris C. crustaceans D. bacteria Which option is correct and why?
The correct answer is: detritus.
A
Nonshivering thermogenesis, which involves the breakdown of brown adipose tissue, is a special methods newborns have for what purpose?
[ "harnessing heat", "generating heat", "moving heat", "losing heat" ]
generating heat
Answer the following multiple-choice question. Question: Nonshivering thermogenesis, which involves the breakdown of brown adipose tissue, is a special methods newborns have for what purpose? Options: A. harnessing heat B. generating heat C. moving heat D. losing heat Which option is correct and why?
The correct answer is: generating heat.
B
The kinetic energy of a moving object depends on it's mass and it's what?
[ "liquid content", "iron content", "volume", "shape" ]
volume
Answer the following multiple-choice question. Question: The kinetic energy of a moving object depends on it's mass and it's what? Options: A. liquid content B. iron content C. volume D. shape Which option is correct and why?
The correct answer is: volume.
C
Which of the following can release harmful substances into the environment?
[ "vehicles", "cigarettes", "fossil fuels", "Thunderstorms", "Photosynthesis", "Pesicides", "Tree sap", "mines" ]
Pesicides
Answer the following multiple-choice question. Question: Which of the following can release harmful substances into the environment? Options: A. vehicles B. cigarettes C. fossil fuels D. Thunderstorms E. Photosynthesis F. Pesicides G. Tree sap H. mines Which option is correct and why?
The correct answer is: Pesicides.
A
What arteries carry oxygen-poor blood away from the heart to the lungs?
[ "subclavian", "aorta", "pulmonary", "femoral" ]
pulmonary
Answer the following multiple-choice question. Question: What arteries carry oxygen-poor blood away from the heart to the lungs? Options: A. subclavian B. aorta C. pulmonary D. femoral Which option is correct and why?
The correct answer is: pulmonary.
C
What over geologic time above the level of the species is more than repeated microevolution rounds ?
[ "forces", "animals", "heat or cold", "Leptospirosis", "movement", "relocation", "evolution", "root growth" ]
evolution
Answer the following multiple-choice question. Question: What over geologic time above the level of the species is more than repeated microevolution rounds ? Options: A. forces B. animals C. heat or cold D. Leptospirosis E. movement F. relocation G. evolution H. root growth Which option is correct and why?
The correct answer is: evolution.
A
Where do platypus females construct their homes for egg laying?
[ "loose dirt", "out in the open", "loose soil", "Summer", "rocky areas", "autumn", "soft soil", "compacted soil" ]
soft soil
Answer the following multiple-choice question. Question: Where do platypus females construct their homes for egg laying? Options: A. loose dirt B. out in the open C. loose soil D. Summer E. rocky areas F. autumn G. soft soil H. compacted soil Which option is correct and why?
The correct answer is: soft soil.
A
The most common carbon atoms have six protons and six neutrons in their what?
[ "neuron", "ribosomes", "nuclei", "membrane" ]
nuclei
Answer the following multiple-choice question. Question: The most common carbon atoms have six protons and six neutrons in their what? Options: A. neuron B. ribosomes C. nuclei D. membrane Which option is correct and why?
The correct answer is: nuclei.
C
What does HIV contain?
[ "p53", "RNA", "DNA", "CFCs", "ova", "gene", "HPV", "mold" ]
RNA
Answer the following multiple-choice question. Question: What does HIV contain? Options: A. p53 B. RNA C. DNA D. CFCs E. ova F. gene G. HPV H. mold Which option is correct and why?
The correct answer is: RNA.
B
A molecule that causes antibody production is found on what?
[ "solid, liquid, gas", "organs", "Epidermis", "aqueous solution", "the skin", "animals", "cancer cells", "humans" ]
cancer cells
Answer the following multiple-choice question. Question: A molecule that causes antibody production is found on what? Options: A. solid, liquid, gas B. organs C. Epidermis D. aqueous solution E. the skin F. animals G. cancer cells H. humans Which option is correct and why?
The correct answer is: cancer cells.
A
What is the relationship of multiple action potentials from a single cell resulting in a significant change in the membrane potential?
[ "nature summation", "bipolar summation", "temporal summation", "distinct summation" ]
temporal summation
Answer the following multiple-choice question. Question: What is the relationship of multiple action potentials from a single cell resulting in a significant change in the membrane potential? Options: A. nature summation B. bipolar summation C. temporal summation D. distinct summation Which option is correct and why?
The correct answer is: temporal summation.
C
What tides occur during the new moon and full moon?
[ "spring", "high", "bottom", "autumn" ]
spring
Answer the following multiple-choice question. Question: What tides occur during the new moon and full moon? Options: A. spring B. high C. bottom D. autumn Which option is correct and why?
The correct answer is: spring.
A
Liz's 72 Mustang stopped on the highway because it had run out of fuel. What does she need?
[ "an available electrical outlet", "A product derived from oil", "a clean solar panel", "a new set of spark plugs" ]
A product derived from oil
Answer the following multiple-choice question. Question: Liz's 72 Mustang stopped on the highway because it had run out of fuel. What does she need? Options: A. an available electrical outlet B. A product derived from oil C. a clean solar panel D. a new set of spark plugs Which option is correct and why?
The correct answer is: A product derived from oil.
B
what causes harm to an organism?
[ "cuddles", "cigarettes", "viruses", "causing love", "warm covers", "influenza", "electricity", "electric shock" ]
electric shock
Answer the following multiple-choice question. Question: what causes harm to an organism? Options: A. cuddles B. cigarettes C. viruses D. causing love E. warm covers F. influenza G. electricity H. electric shock Which option is correct and why?
The correct answer is: electric shock.
A
The constant "c" can be specifically used to represent the (extremely fast) speed of what?
[ "gravity", "sound", "light", "electricity" ]
light
Answer the following multiple-choice question. Question: The constant "c" can be specifically used to represent the (extremely fast) speed of what? Options: A. gravity B. sound C. light D. electricity Which option is correct and why?
The correct answer is: light.
C
First, high temperature denatures proteins and does what to cells?
[ "finds them", "exposes them", "develops them", "kills them" ]
kills them
Answer the following multiple-choice question. Question: First, high temperature denatures proteins and does what to cells? Options: A. finds them B. exposes them C. develops them D. kills them Which option is correct and why?
The correct answer is: kills them.
D
More condensing water means more of what?
[ "CO 2", "rain", "hurricanes", "contraction", "heat", "dew", "expansion", "gas" ]
dew
Answer the following multiple-choice question. Question: More condensing water means more of what? Options: A. CO 2 B. rain C. hurricanes D. contraction E. heat F. dew G. expansion H. gas Which option is correct and why?
The correct answer is: dew.
A
what releases oxygen during the day but not during the night?
[ "the sun", "Trees", "lungs", "Oak", "Conifers", "bushes", "clouds", "flowers" ]
bushes
Answer the following multiple-choice question. Question: what releases oxygen during the day but not during the night? Options: A. the sun B. Trees C. lungs D. Oak E. Conifers F. bushes G. clouds H. flowers Which option is correct and why?
The correct answer is: bushes.
A
What do all vertebrates have?
[ "fur and fat", "sensory neurons", "Veins and arteries.", "four limbs", "jaws and scales", "a slimy coat", "jaw and a backbone", "feathers" ]
jaw and a backbone
Answer the following multiple-choice question. Question: What do all vertebrates have? Options: A. fur and fat B. sensory neurons C. Veins and arteries. D. four limbs E. jaws and scales F. a slimy coat G. jaw and a backbone H. feathers Which option is correct and why?
The correct answer is: jaw and a backbone.
A
Low levels of thyroid hormones in the blood cause the release of what by the hypothalamus and pituitary gland?
[ "acids", "enzymes", "hormones", "bases" ]
hormones
Answer the following multiple-choice question. Question: Low levels of thyroid hormones in the blood cause the release of what by the hypothalamus and pituitary gland? Options: A. acids B. enzymes C. hormones D. bases Which option is correct and why?
The correct answer is: hormones.
C
What are the primary cells of adaptive immune response?
[ "white blood cells", "erythrocytes", "red blood cells", "lymphocytes" ]
lymphocytes
Answer the following multiple-choice question. Question: What are the primary cells of adaptive immune response? Options: A. white blood cells B. erythrocytes C. red blood cells D. lymphocytes Which option is correct and why?
The correct answer is: lymphocytes.
D
Chemical energy results from the particular arrangement of atoms in a chemical compound; the heat and light produced in this reaction are due to energy released during the breaking and reforming of what?
[ "acid bonds", "atom bonds", "carbon bonds", "chemical bonds" ]
chemical bonds
Answer the following multiple-choice question. Question: Chemical energy results from the particular arrangement of atoms in a chemical compound; the heat and light produced in this reaction are due to energy released during the breaking and reforming of what? Options: A. acid bonds B. atom bonds C. carbon bonds D. chemical bonds Which option is correct and why?
The correct answer is: chemical bonds.
D
Squirrels stay busy in the autumn
[ "storing water", "amassing pecans", "planting flowers", "sleeping late" ]
amassing pecans
Answer the following multiple-choice question. Question: Squirrels stay busy in the autumn Options: A. storing water B. amassing pecans C. planting flowers D. sleeping late Which option is correct and why?
The correct answer is: amassing pecans.
B
Evaporation of sweat uses energy, where does the energy come from?
[ "vapors", "temperature", "expelled", "environment", "hydration", "water vapor", "The Sun", "exercise" ]
exercise
Answer the following multiple-choice question. Question: Evaporation of sweat uses energy, where does the energy come from? Options: A. vapors B. temperature C. expelled D. environment E. hydration F. water vapor G. The Sun H. exercise Which option is correct and why?
The correct answer is: exercise.
A
Hitting a spider web with your hand makes it impossible for a spider to
[ "play music", "eat", "fly", "watch TV" ]
eat
Answer the following multiple-choice question. Question: Hitting a spider web with your hand makes it impossible for a spider to Options: A. play music B. eat C. fly D. watch TV Which option is correct and why?
The correct answer is: eat.
B
What organ absorbs about 90 percent of the water you ingest?
[ "large intestine", "skin", "small intestine", "lungs" ]
small intestine
Answer the following multiple-choice question. Question: What organ absorbs about 90 percent of the water you ingest? Options: A. large intestine B. skin C. small intestine D. lungs Which option is correct and why?
The correct answer is: small intestine.
C
The pancreatic hormones insulin and glucagon maintain glucose homeostasis by tightly regulating the synthesis and breakdown of what?
[ "lipids", "glycogen", "pathway", "enzyme" ]
glycogen
Answer the following multiple-choice question. Question: The pancreatic hormones insulin and glucagon maintain glucose homeostasis by tightly regulating the synthesis and breakdown of what? Options: A. lipids B. glycogen C. pathway D. enzyme Which option is correct and why?
The correct answer is: glycogen.
B
An excellent solvent that holds heat well and allows hydrogen bonds, what substance has many properties critical to life?
[ "water", "liquid", "plasma", "blood" ]
water
Answer the following multiple-choice question. Question: An excellent solvent that holds heat well and allows hydrogen bonds, what substance has many properties critical to life? Options: A. water B. liquid C. plasma D. blood Which option is correct and why?
The correct answer is: water.
A
Worms are excellent decomposers because
[ "they eat a lot of rot", "worms eat dead bodies", "they enjoy eating carcasses and expel waste back to earth", "worms enjoy eating dirt and decay" ]
they enjoy eating carcasses and expel waste back to earth
Answer the following multiple-choice question. Question: Worms are excellent decomposers because Options: A. they eat a lot of rot B. worms eat dead bodies C. they enjoy eating carcasses and expel waste back to earth D. worms enjoy eating dirt and decay Which option is correct and why?
The correct answer is: they enjoy eating carcasses and expel waste back to earth.
C
What is formed when different gases are confined to the same container?
[ "linear mixture", "compact mixture", "homogeneous mixture", "particulate mixture" ]
homogeneous mixture
Answer the following multiple-choice question. Question: What is formed when different gases are confined to the same container? Options: A. linear mixture B. compact mixture C. homogeneous mixture D. particulate mixture Which option is correct and why?
The correct answer is: homogeneous mixture.
C
Sound, like all waves, travels at a certain speed and has the properties of frequency and this?
[ "wavelength", "gravity", "energy", "momentum" ]
wavelength
Answer the following multiple-choice question. Question: Sound, like all waves, travels at a certain speed and has the properties of frequency and this? Options: A. wavelength B. gravity C. energy D. momentum Which option is correct and why?
The correct answer is: wavelength.
A
Sleet is
[ "potentially dangerous", "poison", "hot", "unhealthy" ]
potentially dangerous
Answer the following multiple-choice question. Question: Sleet is Options: A. potentially dangerous B. poison C. hot D. unhealthy Which option is correct and why?
The correct answer is: potentially dangerous.
A
When an unstable nucleus emits radiation and is transformed into the nucleus of other elements this is called?
[ "radioactive decay", "naturally decay", "fusion decay", "explosive decay" ]
radioactive decay
Answer the following multiple-choice question. Question: When an unstable nucleus emits radiation and is transformed into the nucleus of other elements this is called? Options: A. radioactive decay B. naturally decay C. fusion decay D. explosive decay Which option is correct and why?
The correct answer is: radioactive decay.
A
The mature pollen grain is composed of two cells: the pollen tube cell and which other cell?
[ "ova", "generative cell", "photosynthesis cell", "glial cell" ]
generative cell
Answer the following multiple-choice question. Question: The mature pollen grain is composed of two cells: the pollen tube cell and which other cell? Options: A. ova B. generative cell C. photosynthesis cell D. glial cell Which option is correct and why?
The correct answer is: generative cell.
B
What term is used to describe the full range of electromagnetic waves?
[ "electromagnetic series", "electromagnetic spectrum", "mechanical spectrum", "electromagnetic scale" ]
electromagnetic spectrum
Answer the following multiple-choice question. Question: What term is used to describe the full range of electromagnetic waves? Options: A. electromagnetic series B. electromagnetic spectrum C. mechanical spectrum D. electromagnetic scale Which option is correct and why?
The correct answer is: electromagnetic spectrum.
B
What process takes place when echinoderms release their gametes into the water?
[ "stimulation", "fertilization", "migration", "isolation" ]
fertilization
Answer the following multiple-choice question. Question: What process takes place when echinoderms release their gametes into the water? Options: A. stimulation B. fertilization C. migration D. isolation Which option is correct and why?
The correct answer is: fertilization.
B
What organelles are known as the energy "powerhouses" of the cells?
[ "carbohydrates", "mitochondria", "proteins", "atoms" ]
mitochondria
Answer the following multiple-choice question. Question: What organelles are known as the energy "powerhouses" of the cells? Options: A. carbohydrates B. mitochondria C. proteins D. atoms Which option is correct and why?
The correct answer is: mitochondria.
B
Science fact: as the sale of a product decreases , the amount of money made by the person selling that product will decrease. However, sales could possibly grow with
[ "bad press", "eclipse", "price increases", "advertising" ]
advertising
Answer the following multiple-choice question. Question: Science fact: as the sale of a product decreases , the amount of money made by the person selling that product will decrease. However, sales could possibly grow with Options: A. bad press B. eclipse C. price increases D. advertising Which option is correct and why?
The correct answer is: advertising.
D
Soil could be Earth's what?
[ "dermis", "Buddy", "Magic", "Tears" ]
dermis
Answer the following multiple-choice question. Question: Soil could be Earth's what? Options: A. dermis B. Buddy C. Magic D. Tears Which option is correct and why?
The correct answer is: dermis.
A
Microwave ovens use radiation to provide food with what kind of energy?
[ "vibrational", "heat", "magnetic", "mechanical" ]
heat
Answer the following multiple-choice question. Question: Microwave ovens use radiation to provide food with what kind of energy? Options: A. vibrational B. heat C. magnetic D. mechanical Which option is correct and why?
The correct answer is: heat.
B
A storm rages for two weeks, and the rivers and lakes swell past their holding capacity, so
[ "the area becomes damp", "the surrounding land is underwater", "the wind blows over trees", "everything around burns down" ]
the surrounding land is underwater
Answer the following multiple-choice question. Question: A storm rages for two weeks, and the rivers and lakes swell past their holding capacity, so Options: A. the area becomes damp B. the surrounding land is underwater C. the wind blows over trees D. everything around burns down Which option is correct and why?
The correct answer is: the surrounding land is underwater.
B
Who requires preserved food for extended flights?
[ "humans", "consumers", "Airplane technicians", "Dehydrated Apricots", "Preserved Strawberries", "space travel", "athletes", "Crewmembers" ]
Crewmembers
Answer the following multiple-choice question. Question: Who requires preserved food for extended flights? Options: A. humans B. consumers C. Airplane technicians D. Dehydrated Apricots E. Preserved Strawberries F. space travel G. athletes H. Crewmembers Which option is correct and why?
The correct answer is: Crewmembers.
A
what occurs over geologic time above the level of the species?
[ "tectonic plates coliding", "wind and erosion", "remains of prehistoric life", "Earth revolving around the sun", "rapid expansion", "microevolution extrapolated", "the wearing away of rock", "tectonic plates being pushed together" ]
microevolution extrapolated
Answer the following multiple-choice question. Question: what occurs over geologic time above the level of the species? Options: A. tectonic plates coliding B. wind and erosion C. remains of prehistoric life D. Earth revolving around the sun E. rapid expansion F. microevolution extrapolated G. the wearing away of rock H. tectonic plates being pushed together Which option is correct and why?
The correct answer is: microevolution extrapolated.
A
An organism requires what for a healthy personality?
[ "sleep", "hormones", "energy", "nutrients", "hydration", "Energy.", "health", "Proteins" ]
energy
Answer the following multiple-choice question. Question: An organism requires what for a healthy personality? Options: A. sleep B. hormones C. energy D. nutrients E. hydration F. Energy. G. health H. Proteins Which option is correct and why?
The correct answer is: energy.
C
What is the process of action potentials in myelinated axons jumping between the nodes of ranvier called?
[ "photoreactive conduction", "saltatory conduction", "pinworm conduction", "saltatory movement" ]
saltatory conduction
Answer the following multiple-choice question. Question: What is the process of action potentials in myelinated axons jumping between the nodes of ranvier called? Options: A. photoreactive conduction B. saltatory conduction C. pinworm conduction D. saltatory movement Which option is correct and why?
The correct answer is: saltatory conduction.
B
What do genes do to form a chain?
[ "interact", "spread flower seeds", "Break apart", "Link together", "reproduce", "Duplicate", "Break down", "It expands" ]
Link together
Answer the following multiple-choice question. Question: What do genes do to form a chain? Options: A. interact B. spread flower seeds C. Break apart D. Link together E. reproduce F. Duplicate G. Break down H. It expands Which option is correct and why?
The correct answer is: Link together.
D
What has a positive impact on an animal's survival?
[ "peachleaf willow", "genetic diversity", "Worse sight", "four limbs", "Bad water", "Lack of food", "Better sight", "sensory neurons" ]
Better sight
Answer the following multiple-choice question. Question: What has a positive impact on an animal's survival? Options: A. peachleaf willow B. genetic diversity C. Worse sight D. four limbs E. Bad water F. Lack of food G. Better sight H. sensory neurons Which option is correct and why?
The correct answer is: Better sight.
A
What force is greater on rougher surfaces than smooth surfaces?
[ "gravity", "acceleration", "friction", "tension" ]
friction
Answer the following multiple-choice question. Question: What force is greater on rougher surfaces than smooth surfaces? Options: A. gravity B. acceleration C. friction D. tension Which option is correct and why?
The correct answer is: friction.
C
For what kind of animal is communication essential?
[ "social animals", "new born animals", "anti-social animals", "migrating animals" ]
social animals
Answer the following multiple-choice question. Question: For what kind of animal is communication essential? Options: A. social animals B. new born animals C. anti-social animals D. migrating animals Which option is correct and why?
The correct answer is: social animals.
A
In the first beaker, distilled water does not conduct a current because water is a what?
[ "pure element", "magnetic compound", "solute", "molecular compound" ]
molecular compound
Answer the following multiple-choice question. Question: In the first beaker, distilled water does not conduct a current because water is a what? Options: A. pure element B. magnetic compound C. solute D. molecular compound Which option is correct and why?
The correct answer is: molecular compound.
D
Birds will have different kinds of beaks depending on the
[ "organisms they hunt", "computer", "groceries", "seven" ]
organisms they hunt
Answer the following multiple-choice question. Question: Birds will have different kinds of beaks depending on the Options: A. organisms they hunt B. computer C. groceries D. seven Which option is correct and why?
The correct answer is: organisms they hunt.
A
What are the two basic types of combustion engines?
[ "gas and steam", "diesel and internal combustion", "external and internal combustion engines", "spark and steam" ]
external and internal combustion engines
Answer the following multiple-choice question. Question: What are the two basic types of combustion engines? Options: A. gas and steam B. diesel and internal combustion C. external and internal combustion engines D. spark and steam Which option is correct and why?
The correct answer is: external and internal combustion engines.
C
Electrical potential energy can be described by the equation pe = qv, where q is the electric charge and v is what?
[ "voltage", "frequency", "amplitude", "wavelength density" ]
voltage
Answer the following multiple-choice question. Question: Electrical potential energy can be described by the equation pe = qv, where q is the electric charge and v is what? Options: A. voltage B. frequency C. amplitude D. wavelength density Which option is correct and why?
The correct answer is: voltage.
A
What causes crystal balls to heat?
[ "Evaporation", "increased mass", "reflecting light", "heating liquids", "releasing energy", "absorbing energy", "decreased temperature", "direct energy" ]
absorbing energy
Answer the following multiple-choice question. Question: What causes crystal balls to heat? Options: A. Evaporation B. increased mass C. reflecting light D. heating liquids E. releasing energy F. absorbing energy G. decreased temperature H. direct energy Which option is correct and why?
The correct answer is: absorbing energy.
A
The strength of what depends on the concentration of hydrogen ions it produces when dissolved in water?
[ "electricity", "the base", "the solution", "acid" ]
acid
Answer the following multiple-choice question. Question: The strength of what depends on the concentration of hydrogen ions it produces when dissolved in water? Options: A. electricity B. the base C. the solution D. acid Which option is correct and why?
The correct answer is: acid.
D
Heating with coal can cause
[ "Electrical energy", "chemical reaction", "automobile exhaust", "Something to move", "air pollution", "distracted driving", "electric outages", "Dehydration" ]
air pollution
Answer the following multiple-choice question. Question: Heating with coal can cause Options: A. Electrical energy B. chemical reaction C. automobile exhaust D. Something to move E. air pollution F. distracted driving G. electric outages H. Dehydration Which option is correct and why?
The correct answer is: air pollution.
E
If the electromagnetic repulsion between protons is greater than the strong nuclear force of attraction between them, what do they become?
[ "slow , or radioactive", "unstable , or experimental", "destroyed", "unstable, or radioactive" ]
unstable, or radioactive
Answer the following multiple-choice question. Question: If the electromagnetic repulsion between protons is greater than the strong nuclear force of attraction between them, what do they become? Options: A. slow , or radioactive B. unstable , or experimental C. destroyed D. unstable, or radioactive Which option is correct and why?
The correct answer is: unstable, or radioactive.
D
What can cause golf clubs to repel each other?
[ "electrically", "friction", "layers of fat", "water", "fire", "repellant", "magnetism", "heat energy" ]
magnetism
Answer the following multiple-choice question. Question: What can cause golf clubs to repel each other? Options: A. electrically B. friction C. layers of fat D. water E. fire F. repellant G. magnetism H. heat energy Which option is correct and why?
The correct answer is: magnetism.
A
The earliest animals were which kind of invertebrates?
[ "aquatic", "dinosaurs", "mammals", "insects" ]
aquatic
Answer the following multiple-choice question. Question: The earliest animals were which kind of invertebrates? Options: A. aquatic B. dinosaurs C. mammals D. insects Which option is correct and why?
The correct answer is: aquatic.
A
Where so parasites go to survive?
[ "in a field", "away from a host", "heat produced", "loose soil", "in the water", "on a host", "Most plants", "retina" ]
on a host
Answer the following multiple-choice question. Question: Where so parasites go to survive? Options: A. in a field B. away from a host C. heat produced D. loose soil E. in the water F. on a host G. Most plants H. retina Which option is correct and why?
The correct answer is: on a host.
A
The running and moving liquid fluid during a storm causes what
[ "insects", "weather damage", "abrasion", "lava" ]
weather damage
Answer the following multiple-choice question. Question: The running and moving liquid fluid during a storm causes what Options: A. insects B. weather damage C. abrasion D. lava Which option is correct and why?
The correct answer is: weather damage.
B
Bubbles in bread dough are created by what gas produced during alcoholic fermentation?
[ "acid dioxide", "combustion dioxide", "carbon dioxide", "yeast dioxide" ]
carbon dioxide
Answer the following multiple-choice question. Question: Bubbles in bread dough are created by what gas produced during alcoholic fermentation? Options: A. acid dioxide B. combustion dioxide C. carbon dioxide D. yeast dioxide Which option is correct and why?
The correct answer is: carbon dioxide.
C
What unit of measurement determines how far something travels in a given amount of time?
[ "volume", "distance", "density", "speed" ]
speed
Answer the following multiple-choice question. Question: What unit of measurement determines how far something travels in a given amount of time? Options: A. volume B. distance C. density D. speed Which option is correct and why?
The correct answer is: speed.
D
All lipids have two distinct domains, a hydrophobic and a what?
[ "covalent", "hydroceptive", "hydroaversive", "hydrophilic" ]
hydrophilic
Answer the following multiple-choice question. Question: All lipids have two distinct domains, a hydrophobic and a what? Options: A. covalent B. hydroceptive C. hydroaversive D. hydrophilic Which option is correct and why?
The correct answer is: hydrophilic.
D
What causes the changes of puberty?
[ "testosterone", "insulin", "estrogen", "glucose" ]
estrogen
Answer the following multiple-choice question. Question: What causes the changes of puberty? Options: A. testosterone B. insulin C. estrogen D. glucose Which option is correct and why?
The correct answer is: estrogen.
C
What occurs on the windward side of a mountain range?
[ "fronts", "storms", "rainfall", "growth", "air cools", "rain", "Summer", "Winter" ]
growth
Answer the following multiple-choice question. Question: What occurs on the windward side of a mountain range? Options: A. fronts B. storms C. rainfall D. growth E. air cools F. rain G. Summer H. Winter Which option is correct and why?
The correct answer is: growth.
D
What is formed when a monomer of glucose and a monomer of fructose are joined in a dehydration reaction to form a glycosidic bond?
[ "sucrose", "fructose", "chloride", "sulfate" ]
sucrose
Answer the following multiple-choice question. Question: What is formed when a monomer of glucose and a monomer of fructose are joined in a dehydration reaction to form a glycosidic bond? Options: A. sucrose B. fructose C. chloride D. sulfate Which option is correct and why?
The correct answer is: sucrose.
A
Radon is inert and generally unreactive because it is which kind of gas?
[ "ideal gas", "transitive gas", "ignoble gas", "noble gas" ]
noble gas
Answer the following multiple-choice question. Question: Radon is inert and generally unreactive because it is which kind of gas? Options: A. ideal gas B. transitive gas C. ignoble gas D. noble gas Which option is correct and why?
The correct answer is: noble gas.
D
What term is used to describe the muscular canal (approximately 10 cm long) that serves as the entrance to the reproductive tract?
[ "urethra", "cervix", "uterus", "vagina" ]
vagina
Answer the following multiple-choice question. Question: What term is used to describe the muscular canal (approximately 10 cm long) that serves as the entrance to the reproductive tract? Options: A. urethra B. cervix C. uterus D. vagina Which option is correct and why?
The correct answer is: vagina.
D
High pressure systems cause what weather conditions?
[ "Injury", "calm", "storms", "harm", "wind", "death", "rain", "Roads" ]
calm
Answer the following multiple-choice question. Question: High pressure systems cause what weather conditions? Options: A. Injury B. calm C. storms D. harm E. wind F. death G. rain H. Roads Which option is correct and why?
The correct answer is: calm.
B
What effect occurs when a population suddenly gets much smaller, due to natural disaster or other cause?
[ "bottleneck effect", "limitation effect", "extinction effect", "convergence effect" ]
bottleneck effect
Answer the following multiple-choice question. Question: What effect occurs when a population suddenly gets much smaller, due to natural disaster or other cause? Options: A. bottleneck effect B. limitation effect C. extinction effect D. convergence effect Which option is correct and why?
The correct answer is: bottleneck effect.
A
What causes a rocket to move?
[ "flow of electrons", "Electrical energy", "expansion into a vacuum", "magma", "kinetic energy", "igniting fuel and oxidiser", "pulsars", "heat is produced" ]
igniting fuel and oxidiser
Answer the following multiple-choice question. Question: What causes a rocket to move? Options: A. flow of electrons B. Electrical energy C. expansion into a vacuum D. magma E. kinetic energy F. igniting fuel and oxidiser G. pulsars H. heat is produced Which option is correct and why?
The correct answer is: igniting fuel and oxidiser.
A
Eggs are produced in what organs and, upon fertilization, develop in what other organ?
[ "ovaries, uterus", "uterus, vagina", "cervix, ovaries", "fallopian tubes, ovaries" ]
ovaries, uterus
Answer the following multiple-choice question. Question: Eggs are produced in what organs and, upon fertilization, develop in what other organ? Options: A. ovaries, uterus B. uterus, vagina C. cervix, ovaries D. fallopian tubes, ovaries Which option is correct and why?
The correct answer is: ovaries, uterus.
A
Sunrises in January are
[ "late", "green", "old", "early" ]
late
Answer the following multiple-choice question. Question: Sunrises in January are Options: A. late B. green C. old D. early Which option is correct and why?
The correct answer is: late.
A
Plants require what to grow and flower?
[ "bulbs", "personal thought", "gametes", "food", "seeds", "farmer's touch", "Light", "kind words" ]
bulbs
Answer the following multiple-choice question. Question: Plants require what to grow and flower? Options: A. bulbs B. personal thought C. gametes D. food E. seeds F. farmer's touch G. Light H. kind words Which option is correct and why?
The correct answer is: bulbs.
A
the movement of an air mass over Earth 's surface changes what?
[ "Temperature", "The atmosphere", "Earth's atmosphere", "Earth's science", "earth's shadow", "energy of moving objects", "Earth's water", "kinetic energy" ]
Earth's atmosphere
Answer the following multiple-choice question. Question: the movement of an air mass over Earth 's surface changes what? Options: A. Temperature B. The atmosphere C. Earth's atmosphere D. Earth's science E. earth's shadow F. energy of moving objects G. Earth's water H. kinetic energy Which option is correct and why?
The correct answer is: Earth's atmosphere.
C
What does a porcupine do with its spines when it's threatened?
[ "killing insects", "Shoot them", "kill them", "protect them", "Extend them", "Shed them", "Retract them", "behave" ]
Extend them
Answer the following multiple-choice question. Question: What does a porcupine do with its spines when it's threatened? Options: A. killing insects B. Shoot them C. kill them D. protect them E. Extend them F. Shed them G. Retract them H. behave Which option is correct and why?
The correct answer is: Extend them.
E
Pollution is
[ "throwing a gum wrapper in the ocean", "trees in a forest", "Fish swimming in the sea", "The wind carrying seeds" ]
throwing a gum wrapper in the ocean
Answer the following multiple-choice question. Question: Pollution is Options: A. throwing a gum wrapper in the ocean B. trees in a forest C. Fish swimming in the sea D. The wind carrying seeds Which option is correct and why?
The correct answer is: throwing a gum wrapper in the ocean.
A
What keeps the earth orbiting the sun?
[ "inertia", "speed", "gravity", "variation" ]
gravity
Answer the following multiple-choice question. Question: What keeps the earth orbiting the sun? Options: A. inertia B. speed C. gravity D. variation Which option is correct and why?
The correct answer is: gravity.
C
Knowing what to do without ever being taught is known as
[ "learned", "found", "instinctive", "given" ]
instinctive
Answer the following multiple-choice question. Question: Knowing what to do without ever being taught is known as Options: A. learned B. found C. instinctive D. given Which option is correct and why?
The correct answer is: instinctive.
C
Magma can be created when temperature rises, pressure lowers, or what else is added?
[ "water", "dirt", "air", "sand" ]
water
Answer the following multiple-choice question. Question: Magma can be created when temperature rises, pressure lowers, or what else is added? Options: A. water B. dirt C. air D. sand Which option is correct and why?
The correct answer is: water.
A
Deletions remove one or more what from the dna?
[ "genes", "exons", "nucleotides", "codons" ]
nucleotides
Answer the following multiple-choice question. Question: Deletions remove one or more what from the dna? Options: A. genes B. exons C. nucleotides D. codons Which option is correct and why?
The correct answer is: nucleotides.
C
Carnivores devour omnivores which eat
[ "flora", "rocks", "crustaceans", "sand" ]
flora
Answer the following multiple-choice question. Question: Carnivores devour omnivores which eat Options: A. flora B. rocks C. crustaceans D. sand Which option is correct and why?
The correct answer is: flora.
A
Which of the following is never an element used to make carbohydrates for the plant?
[ "sand", "water", "sunlight", "carbon dioxide" ]
sand
Answer the following multiple-choice question. Question: Which of the following is never an element used to make carbohydrates for the plant? Options: A. sand B. water C. sunlight D. carbon dioxide Which option is correct and why?
The correct answer is: sand.
A
What is a fold of the outer skin lining the shell called?
[ "stack", "mantle", "cortex", "marble" ]
mantle
Answer the following multiple-choice question. Question: What is a fold of the outer skin lining the shell called? Options: A. stack B. mantle C. cortex D. marble Which option is correct and why?
The correct answer is: mantle.
B
What are biochemical compounds, such as fats and oils, that consist of fatty acids and store energy?
[ "oils", "proteins", "tissues", "lipids" ]
lipids
Answer the following multiple-choice question. Question: What are biochemical compounds, such as fats and oils, that consist of fatty acids and store energy? Options: A. oils B. proteins C. tissues D. lipids Which option is correct and why?
The correct answer is: lipids.
D
What happens when water's temperature drops to 32 degrees or below?
[ "Its speed increases", "vaporization", "It turns into oil", "They may not survive.", "It becomes solid", "It becomes ice cream", "Plant growth is reduced", "permineralization" ]
It becomes solid
Answer the following multiple-choice question. Question: What happens when water's temperature drops to 32 degrees or below? Options: A. Its speed increases B. vaporization C. It turns into oil D. They may not survive. E. It becomes solid F. It becomes ice cream G. Plant growth is reduced H. permineralization Which option is correct and why?
The correct answer is: It becomes solid.
E
Unlike the passive form, the sodium-potassium pump uses what type of transport?
[ "active", "phase", "Low", "High" ]
active
Answer the following multiple-choice question. Question: Unlike the passive form, the sodium-potassium pump uses what type of transport? Options: A. active B. phase C. Low D. High Which option is correct and why?
The correct answer is: active.
A
Why can amphibians easily absorb toxins?
[ "salamanders", "permeable skin", "hydrate their cells", "it needs them", "poisonous frogs", "Pesticides", "cold blooded", "bending light rays" ]
permeable skin
Answer the following multiple-choice question. Question: Why can amphibians easily absorb toxins? Options: A. salamanders B. permeable skin C. hydrate their cells D. it needs them E. poisonous frogs F. Pesticides G. cold blooded H. bending light rays Which option is correct and why?
The correct answer is: permeable skin.
B