id
stringlengths
30
30
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stringlengths
13
135
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8
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stringclasses
8 values
__index_level_0__
int64
9
8.12k
3ZDAD0O1T1CN599WLKGCNURDHXDTXV
Kittens can learn behavior through what?
[ "Touch", "Sports", "Inheritance", "Sleep", "Genes", "Motion", "Sound", "Play" ]
H
4,343
3NC5L260MOLQSVD3P9ORNDLJ0IGOFB
What reflex does nicotine cause because of its toxicity?
[ "Contracting", "Movement", "Motion", "Vomiting", "Symptoms", "Heart rate", "Sweating", "Kill" ]
D
2,990
382M9COHEHETZMX4QKGU41S89OHUED
What is immobile?
[ "Fish", "Matter vibrating", "Cats", "Humans", "An object", "All matter", "An organism's body", "Adult sponges" ]
H
7,390
3YDGXNSEOZTD9NTYYB3CZNYSAEF488
Sharpening an object causes that object to change what?
[ "Age", "Inches", "Date of manufacture", "Joules", "Heat", "Material", "Fibers", "Form" ]
H
4,571
37M28K1J0QCHVT5YYGAU1GT6551JAD
_ is how organisms grow and repair themselves.
[ "Respiration", "Hormone secretion", "Potatoes", "Mitosis", "Complex", "Gene regulation", "Properties", "Recycling" ]
D
2,495
3SNLUL3WO4M75S7W763YHWISGI6LU7
What do most people need at least a little of every few days to survive?
[ "Nacl", "Uv", "Ml", "Oxygen", "Corn", "H20", "Rest", "Hydrogen" ]
F
799
3OVR4I9USPIJFRTUK5KCLEJSSW24QW
What can be stored in sedimentary rock for millions of years?
[ "Chemical energy", "Fossil fuels", "Energy", "Coal sinks", "Bioaerosols", "In sediment", "Energy.", "Kinetic energy" ]
D
3,566
3R08VXYT7CULIB7ZYCHPGFLO40Z7WC
The device used by biologists to make small things appear bigger was invented by whom?
[ "Electricity", "Amphibians", "Animals", "Jellyfish", "Leeuwenhoek", "Pasteur", "Darwin", "Mendel" ]
E
1,198
3A4NIXBJ76YOSK2NY4CCQM1Y2EQLM1
What can burn the skin?
[ "Cream", "Light", "Ointment", "The sun", "Lukewarm water", "Cigars", "Acids", "Nacl" ]
B
4,743
31T4R4OBOSFC4D1UHLHO4LELFJU7CH
In what form do organisms use lipids?
[ "Triglycerides", "Glucose", "Layers of fat", "Adding heat", "Reducing acid rain", "Hydrocarbons", "Recycling", "By wind and rain" ]
A
5,421
3U84XHCDICCSTJUL713PC7VWTEK4ZD
What has a negative impact on plant growth?
[ "Pesticides", "Competition", "Bees", "Wind", "Darkness", "Pollution", "Disease", "Rain" ]
E
7,577
3E337GFOL97EOA9MZEUWQ9LQFU5GNZ
How do plants create young?
[ "It needs them", "Heat produced", "Exfoliation", "By indirect light", "Specialized ways", "It helps them survive", "Reproduce", "Color of leaves" ]
E
7,263
3UJ1CZ6IZHODOQC7QESRL647CFI5SR
Prokaryotes lack regions that do not code for proteins, while this type of living being has them:
[ "Bioaerosols", "Layers of fat", "Orchids", "Animals", "Critical organs", "Sensory neurons", "Eukaryotes", "It needs them" ]
G
1,954
3LYA37P8IQMHPNG8MFA2X6DP25QKBY
What have more complex nervous systems
[ "Animals without a backbone", "The wearing away of rock", "H2o", "Barks and snarls", "Plants", "Density", "Veins and arteries.", "Remains of prehistoric life" ]
A
5,148
3EF8EXOTT1UL15SY2XH1QF032HRJ1Y
What lacks a uterus and vagina?
[ "Conifers", "Rats", "Humans", "Mammals", "Echidnas", "Kalenchoes", "Alpacas", "Barnacles" ]
E
4,462
3AQF3RZ558H03P7ZPD2X6DZST4N6FR
Vaccination policies have benefits to what?
[ "Herding", "Government policies", "Evolution", "Animals", "Health", "Immunity", "Babies", "Protect them" ]
F
2,397
34YB12FSQYN86SOMNDFWDUWQKM3MGN
What is chocolate made from?
[ "Fingers", "Fats", "Glucose", "Heat", "Bitter", "Sugar", "Liquid", "Toes" ]
F
3,601
339ANSOTR51RCVUESP2JJTH2Y9HIK5
Great egrets get food by doing what?
[ "Sleeping", "Eating other living things", "Transfers energy", "Converting mass to energy", "Something coming from a gland", "Photosynthesis", "Dying", "Competing for resources" ]
B
1,313
3XXU1SWE8MUATN4CC80OJBEA8GW0AU
What insulates?
[ "With their fur", "Swamp vegetation", "Copper wire", "Blankets", "Whale blubber", "Animal fur", "Steel", "Aluminum foil" ]
E
7,432
3DUZQ9U6SMNUMKRMW5A4P4Y6LYXVSN
If plants require less water, then that plant can survive when?
[ "It becomes dormant", "Waxy leaves", "It remains dormant", "No water under the fence", "In outer space", "Forest is destroyed", "Cloudy and rainy weather", "Stem cells" ]
D
481
3OSWBBLG1EWGOKDZZUGXIQ9R5ISXDO
What relies on a narrow ph range?
[ "Trees", "Potatoes", "A fish", "Cacti", "Pine", "Plants", "Oak", "Bacteria" ]
F
2,423
3H0W84IWBK11JU5NMQLPZQ5O1XJERE
Which organism lacks ribosomes?
[ "Anemia", "Bacteria", "Ferns", "Honeybees", "Pdas", "Genus", "Orchids", "Graptolites" ]
B
1,162
3ZV9H2YQQD63HS6CW0EZ3Y9839B3WR
Alterations in genetic information may change a chromosome's structure or one
[ "Nitrogen", "Harm them", "Plants growth", "Damages them", "Spectrum", "Nuclear waste", "Nucelotide", "Nitrate" ]
G
2,120
3TOK3KHVJTHDD2YX7QQFZL8260G7OP
Plasma cells are activated b cells that secrete what?
[ "Leptospirosis", "Activated charcoal", "Cellular phone services", "Sweat", "Major threat to health", "Warriors of the body.", "Something that causes allergies", "Chemical energy" ]
F
4,194
3VAR3R6G1P0HDG3GHVILDL4XE9O8OQ
Long distance running involves transport of
[ "Heat energy", "Electrons", "Heat produced", "Loose dirt", "Energy", "Energy.", "Weight", "Movement" ]
B
1,562
3D3VGR7TA0EY9WPQX64TGZ1R51ER32
What does plant reproduction require?
[ "Energy", "Energy.", "Bloom time", "Insects", "Snow", "Animals", "Rivers", "Clouds" ]
F
5,660
3GNCZX450IMDH48WTTFEYCFIFAWPAL
What do bacteria not have, for protein production?
[ "Acids", "Alleles", "Ribosomes", "Layers of fat", "Light energy", "Heat energy", "Energy", "Energy." ]
C
1,166
3W8CV64QJ2Y7Z403IAT9T827LFV9H2
What are gills used for breathing by sharks?
[ "Air", "Mussels", "Carbon monoxide", "Lava", "Fish", "Open", "Water", "Squids" ]
G
7,001
31UV0MXWNQBOUC9BL2YDH4YKD1L5II
A graduated cylinder is used to measure what?
[ "Density", "Liquid meters", "Liquid pounds", "Liquid ounces", "Temperature", "Grams of powder", "Kinetic energy", "Solutes" ]
D
8,115
3DEL4X4EL6KJMV8QVQ3BVBJSJB1XY5
What lacks respiratory and excretory systems?
[ "The sun", "Insects", "Starfish", "Barnacles", "Ferns", "Water", "Conifers", "Humans" ]
C
7,181
340UGXU9DY0A1XJQLA5445GU8QKVUX
Which bodily system excretes a substance commonly used in drug testing?
[ "Evaporation", "Urinary system", "Animals", "Aqueous solution", "Cardiovascular system", "Opiate system", "Integumentary system", "Sweating" ]
B
6,395
3AAJC4I4FGRIW1D6A8QTI9KFA8JZJ1
Removing what from food will preserve it?
[ "Flavor", "Body water", "Heat energy", "Color", "Water", "Bodily water", "Moisture", "Ingredients" ]
G
9
3PEIJLRY6TSFXQDQGPLNAEYCLXSWXX
What should be done to replace body fluids?
[ "Relieve pain", "Drink more fluids", "Radiography", "Drink less water", "Sweat", "Solutions", "Excretion", "Drink more carbonated beverage" ]
B
653
3SB5N7Y3O33B3EHFY8SYFXPD3GFG0Z
What does light allow us to see?
[ "Darkness", "Microscopic", "Peachleaf willow", "Strange matter", "Quarks", "Focusing a lens", "Fine details", "An electron lens" ]
G
7,461
3UOUJI6MTDD25MOLLP6MSQDFN5LUXZ
What can live in most terrestrial, freshwater, and marine habitats?
[ "Squids", "Feet", "Ducks", "A fish", "Barnacles", "Sharks", "Animals", "Bacteria" ]
A
7,911
3NQL1CS15R7RI63VVB2T7QM77B2VYZ
What with the outside world can cause people to become distracted?
[ "Move to another area", "Cigarettes", "Being frustrated by", "Electrical energy", "Communications", "Not hearing from", "Enjoying", "Hypothyroidism" ]
E
4,682
3VE8AYVF8MWN73QNISZVQRVJKCEF8Y
Wave action causes?
[ "Fissures of hot, acidic water", "Contact between rocks", "Animal survival", "Electrical energy", "Scattered light", "Flow of electrons", "Electromagnetic energy", "Energy of moving objects" ]
B
5,744
3W8CV64QJ2Y7Z403IAT9T827LOYH9V
What do cigarettes cause?
[ "Circulatory systems", "A lot of human deaths", "Increased health of lungs", "Increased stamina in life", "Something that causes allergies", "Guaranteed longer life", "Harmful substances", "Direct damage to the lungs" ]
H
161
3LRKMWOKB5GIQ5FY3NK1JSYYG23Z22
A scientist who is a space explorer requires what for extended flights?
[ "Preserved food", "Salt and water.", "Hydration", "A hydraulic system", "Useless heavy objects", "Short-lived food", "Hydrate their cells", "Perishable food" ]
A
7,500
35DR22AR5DJI6SB265AL5HNF7J4X3C
What are the lithified remains of plants used for?
[ "Heat production", "Generating heat by burning", "Harvesting crops", "Damming rivers", "Food and shelter", "Heat is produced", "A transportation fuel", "Planting seeds" ]
B
3,407
35GCEFQ6I5N7BNBH7NY6223QI9SZ3K
What do muscle fibers need to do to enable movement?
[ "Bend", "Strength", "Exercise", "Ligt", "It expands", "Shorten", "Vibrates", "Stay warm" ]
F
2,062
36PW28KO4ZV9KDJ6KFZ340GEZQEEAH
What does a flashlight require to produce light?
[ "Condensation", "Energy", "Direct energy", "Batteries", "Sunlight", "H2o", "Energy usage", "Heat energy" ]
D
1,401
3JW0YLFXRTF08Q806KP18VK510CWWT
What are sometimes made from the material that covers woody stems?
[ "Shrub beds", "Solid geometric shapes", "Saffron", "Organic compounds", "Turmeric", "Mustard seed", "Cinnamon sticks", "Layers of fat" ]
G
5,777
3R2UR8A0IAF7SH4OP3UDTKLQ6SGOXI
Proteins are made in organelles within the what?
[ "Cytoplasm", "Most plants", "Bacteria", "Alveoli", "Virus", "Organ", "Conifers", "Phylum" ]
A
3,515
39N5ACM9HEMZCLYR1N1E2H4Y5A2P9Q
If food is not eaten immediately for energy, then food can be stored in what?
[ "Cellulose", "Loose soil", "Barrel", "Excretory", "Collagen", "Body water", "Pottery", "Winter" ]
G
7,344
33JKGHPFYCTEGK58AHSR3E5NBBUMNG
If an object in a fluid is more dense then it will sink due to whose law?
[ "Newton", "Density", "Forces", "Heat", "Similar", "Salinity", "Friction", "Power" ]
A
4,047
3V0Z7YWSIYZ1HLAO2QVYYML2PXGV2Q
What are organisms mostly made out of?
[ "Limestone", "Food", "Energy", "Rock", "Bacteria", "Matter", "Carbon", "Fat" ]
G
5,437
3KYQYYSHYV6TUBZ7Y3T1ZDIYQWXDO6
What removes wastes and excess water from the body?
[ "Solutes", "Vinegar", "Balance", "Ice", "Blood", "Air", "Rivers", "Feces" ]
H
5,178
308Q0PEVB8C7VZBNOSBUTK3ML0VI95
What do astronomers get excited about?
[ "Movements in the earth's crust", "Earth revolving around the sun", "Earth's core", "Earthworms", "Animals", "Tectonic plates being pushed together", "Continents drifting", "High-mass stars collapsing" ]
H
6,125
3RU7GD8VPOSHH0UQAT15JC9O0XOPSZ
What do mammals have under their skin that is used to insulate the body?
[ "Food", "Fur", "Coats", "Bread", "Solid", "Grains", "Mice", "Hair" ]
A
7,424
3I3WADAZ9Q3YQYKEJXBI11U6EYTO56
How is salt produced?
[ "Flow of electrons", "Solid, liquid, gas", "Chemical messengers", "Solutions", "Physical weathering", "It gets heated up", "Near the shoreline", "Heating water" ]
H
5,943
31IBVUNM9SYLIFM0QLA5I5FRXT1FVT
What can affect ability to sense and maintain body position?
[ "Ear canal", "Colors of the spectrum", "Movement of tectonic plates", "Inner ear problems", "Energy of moving objects", "Ear wax buildup", "Pierced ears", "Electrical energy" ]
D
6,314
3YWRV122CSYCQLNDDHUUCRWMXYY8UW
Which types of animals dominate in competition for territory?
[ "Large.", "Average", "Birds", "Humans", "Man", "Dinosaurs", "A fish", "Small" ]
A
3,352
3TU5ZICBRD0KYSGWW8AP2QZX7RMQ88
What does plant reproduction require?
[ "Dreams", "Seeds", "Bees", "Food", "Humans", "Energy", "Radiation", "Genes" ]
C
2,164
340UGXU9DY0A1XJQLA5445GUBNNUVW
Transpiration is part of what process?
[ "Carbon", "Flow of electrons", "Plants", "Conversion of chemical energy", "Evaporation", "Condensation", "Circulatory systems", "Photosynthesis" ]
H
6,988
3H0W84IWBK11JU5NMQLPZQ5OXTDERW
A car engine uses what to aid in combustion?
[ "Carbon dioxide", "Electricity", "Organic molecules", "Thrust", "Hydrocarbons", "A hydraulic system", "Kinetic energy", "Fossil fuels" ]
E
1,394
3QY7M81QH7LUNBDI9YYMS4RTI607KH
Food often spoils when stored in an environment that is warm and __.
[ "Has great air circulation", "Dry", "Mild", "Wet", "Liquid", "Cold", "Heat", "Moist" ]
H
6,249
3DL65MZB8DEXDSG44TVUAV6217ECEQ
What has primary and secondary meristems for growth in length and width?
[ "Swamp vegetation", "Rocks", "Epidermal", "Conifers", "Peachleaf willow", "The moon", "Most plants", "Leaves" ]
G
5,205
3EG49X351UBH3BYKP78JCKZZIQOX6X
Earth 's magnetic patterns are used for finding locations by which creatures?
[ "Animals", "Frogs", "Bats", "Birds", "Dogs", "Humans", "Horses", "Insects" ]
D
7,379
3EO896NRAWUMAP474G1BWLJYVKITJM
What forms secondary vascular tissues in trees?
[ "Allow growth", "Primary growth", "Secondary growth", "In their leaves", "End growth", "Mating", "Most plants", "Shrub beds" ]
C
6,408
3L4PIM1GQTFZPZMEMRXJ6TX4IXYYRY
What do the second-largest invertebrate group have?
[ "Shells", "A cuticle", "Insects", "Barnacles", "Animals", "Tortoises", "Alveoli", "Honeybees" ]
A
61
3FTYUGLFSUK7M1TPTOX2Q7I793F5DK
How do animals learn how to be assertive?
[ "Lectures from their parent", "Instinct", "Movement", "Playing", "Being killed", "Ligt", "Sweating", "Exercise" ]
D
407
3M0BCWMB8VV8KNAPBTT5LH7KPH2WBJ
What is essential for evolution?
[ "Hurricanes", "That material's properties", "Remains of prehistoric life", "The body's largest organ", "Revolutions", "Plant reproduction", "Natural disasters", "Random changes in genes" ]
H
5,867
3Z2R0DQ0JHDKFAO2706OYIXG2N4E2D
What do tectonic plates being pushed together do?
[ "Destroy saturn", "Permineralization", "Build bridges", "Physical weathering", "Destroy bridges", "Destroy moon", "Movement", "To move people" ]
E
860
3D8YOU6S9EJPM74PK2XWSD0VO8OU6J
What requires rest?
[ "Kinetic energy", "Amphibians", "All animals", "Watching tv", "Oxygen", "Most organisms", "Time and energy", "Cell regeneration" ]
H
5,569
388U7OUMF702S4QTEJMAE13K46OR01
What requires water for survival?
[ "Bamboo", "Air", "Pigeons", "Omnivores", "Oxygen", "Humans", "Books", "Bushes" ]
F
2,577
3X4MXAO0BGNV0URE7QFVLWCO7YFRWR
What contributes to meat toughness?
[ "Digestion", "Cartilage", "Layers of fat", "H2o", "Exercise", "Animal fur", "The skin", "Steak" ]
B
1,097
392CY0QWG1Q6YT5B7XF3CCS606K4IV
What is the part of the spectrum that the eye can sense
[ "Energy", "Photons", "Infrared", "Light", "Small", "Nuclear", "Energy.", "Ultra violet" ]
D
1,883
3EG49X351UBH3BYKP78JCKZZNUIX64
What is used to find objects underwater?
[ "Echolocation", "A hydraulic system", "Heat energy", "Electrical energy", "Dolphins", "Mussels", "By indirect light", "Rays or beams" ]
A
3,002
38YMOXR4MUY2EBTUF2CXA1LSOT36WN
Powering what with a battery requires a path for electricity to flow?
[ "Closed", "Energy", "Complete", "Vehicles", "Engines", "A phone", "Buses", "Cars" ]
F
7,443
3C5W7UE9CFPJSEJCCNF01GWL9NDXMC
Microbial fuel cells convert chemical energy into
[ "Kinetic energy", "Deoxyribonucleicacid", "Rays or beams", "Harmful substances", "Vehicles", "Sunlight", "Deoxyribonucleic acid", "Greenhouse gases" ]
A
580
3PH3VY7DJLW42LD5H7987ZENKYEWZB
Saltwater excretion reduces what?
[ "Emissions", "Dehydration", "Light energy", "Bacteria", "Sweat", "Energy usage", "Evaporation", "Body heat" ]
H
3,549
3J2UYBXQQLB96LS9MVJC36COOSV601
How can bulbs in a pot be protected from cold damage?
[ "Eliminate coal burning", "Use a lower wattage bulb", "Exfoliation", "Layers of fat", "Reduce the freezer settings", "It keeps an organism warm", "Hard outer covering", "Place in a greenhouse" ]
H
4,609
3LRKMWOKB5GIQ5FY3NK1JSYYCC32ZL
What senses pressure?
[ "Matter vibrating", "Critical organs", "Force", "Rocks", "Fur seals", "The body's largest organ", "Thread-like nerves", "Area" ]
G
6,258
3M0BCWMB8VV8KNAPBTT5LH7K3Y2BWA
What does the earth's lean on its rotating axis cause?
[ "Equator", "Rainfall", "Static electricity", "Seasons", "Climate", "Wind", "Spring", "Time" ]
D
3,589
3TUI152ZZBM2NSWBXN1ANGCPG2JQ1C
What can cause death?
[ "Carcinogens", "Rivalry", "Smoking tobacco", "Heavy rains", "Happiness", "Treatment", "Pesticides", "High temperature" ]
A
3,186
3IAS3U3I0FFM87CIX94YXARVNT42B8
Kidneys are a part of what system?
[ "Allow growth", "Excretory", "Respiratory", "Organ", "Complex", "Storing water", "Endocrine", "Circulatory" ]
B
8,104
3G2UL9A02DDNOWST7U4LILMBM4S67E
What does the human immunodeficiency virus destroy?
[ "B cells", "Bacteria", "Helper t cells", "Animals", "Epidermis and dermis", "Critical organs", "An organism's body", "Cancer cells" ]
C
2,980
3K4J6M3CXES74RFXQAPR431QDTRGA9
What is considered to be part of macroevolution?
[ "Man", "Genus", "Pollen", "Birds", "Legumes", "Power", "Embryos", "Animals" ]
B
4,032
3NGI5ARFTT4HNGVWXAMLNBMF6TPP1H
Precipitation occurs when what are formed?
[ "Sediment", "Erosion", "Clouds", "Soils", "Seeds", "Stones", "Rain", "Fossils" ]
C
4,632
3UJ1CZ6IZHODOQC7QESRL647BZC5SO
What does fission take place?
[ "Mitosis", "Digestion", "Fusion", "Heat", "Energy.", "H2o", "Ligt", "Energy" ]
A
2,469
35GCEFQ6I5N7BNBH7NY6223QIF9Z3D
What is called when plants grow toward the sun or an artificial light?
[ "Exfoliation", "Brownian motion", "Heat energy", "Phototropism", "Photovoltaic", "Autumn", "Peachleaf willow", "Mitosis" ]
D
2,685
3XLBSAQ9Z4BPC6C49Z1WFJF6MVF7Z1
What happens to metal when heat passes through it?
[ "It sheds a layer of rust", "Kinetic energy", "It expands", "It turns into gold", "Electricity", "Mechanical", "Sweating", "It contracts" ]
C
6,770
3ZQIG0FLQEFNT18VGAK5MT1R5KSVWX
What can be used for communication by animals?
[ "Electricity", "Energy", "Telephones.", "Vibrations.", "Stuffed animals.", "Messengers", "Courtship", "Cellular communication." ]
D
1,764
3AWETUDC92RM1QT0SQ5T685FZ7YZIN
What happens on the formation where water moves sediment downstream?
[ "Mechanical", "Watershred", "Erosion", "Cranes roost", "Near the shoreline", "Streams.", "It can be seen", "Swamp vegetation" ]
D
5,623
3MD9PLUKKIDEFR4RP6ILBG1WN7SZN7
A type of resting cell from what type of organism is often found in soil and water?
[ "Fungi", "Creature", "Organic thing", "Entity", "Bacteria", "Lmestone", "Most plants", "Vegetation" ]
E
2,254
3IQ1VMJRYTJSPHSPC4JHCMF370R9A8
Air pollution can cause a decrease in what?
[ "The atmosphere", "Kinetic energy", "Smoke", "Crop yields", "Nutrients", "Temperature", "Fires", "Smog" ]
D
6,412
3W8CV64QJ2Y7Z403IAT9T827MJQH9E
Most types of what have motility?
[ "Gastropod shells", "Members of their own species", "Single-celled organisms", "Something to move", "Remains of prehistoric life", "Microbial fuel cells", "Microorganisms", "Share properties" ]
C
699
3A7Y0R2P2ONTR6DR9Q28LO446JNXJU
Why do flowers attract birds?
[ "Photosynthesis", "Food", "Pollination", "Chlorophyll", "H2o", "Color of leaves", "Orchids", "Produce eggs" ]
C
3,776
30JNVC0OR9JDR3HPZC4VF3SW9P5HQ0
Earthquakes can cause animals to leave a what?
[ "Message", "Subtropical", "Inactive", "Dormant state", "Scent", "Mouth of rivers", "Environment", "Job" ]
G
6,066
3FTOP5WARFNLUG7G6ED1CAHTV3KJ0K
Hitting an object can cause that object to what?
[ "Kinetic", "Friction", "Get hot", "Heat", "Movement", "Sound", "Supersonic", "Bend" ]
C
3,619
3OCHAWUVGOJO2QJ9RB2KM34HJLZKXG
The offspring of two living things with white eyes have what color eyes?
[ "White", "Tiny", "Pigeons", "Green", "Alleles", "Black", "Similar", "Yellow" ]
A
3,874
386CSBG1OZLXUEX83TDRIC36K4T6QY
What helps soil to form?
[ "The planting of flowers", "The breakdown of rocks", "Organic molecules", "The changing of seasons", "Organic compounds", "Swamp vegetation", "Evaporation", "The movement of clouds" ]
B
5,984
34HJIJKLP5VBKZPB64EMR1I0BP6V4A
What do viruses infect?
[ "Animals", "Plants", "Bacteria", "Nonliving things", "Gravity", "Density", "The skin", "Insects" ]
A
3,264
3IKZ72A5B4F8AADROUOE8OLE98QNF9
What is when rocks are broken down?
[ "Roof weathering", "Plant growth is reduced", "Brick weathering", "Physical weathering", "Remains of prehistoric life", "At or near the margins", "Home weathering", "Major threat to health" ]
D
63
374TNBHA8BUZDY7E9C8J13NZOHKQYR
What can carbon be stored in for millions of years?
[ "Limestone", "Fossil fuels", "Hydrocarbons", "Graptolites", "Fish", "Humans", "H2o", "Layers of fat" ]
A
3,565
3PZDLQMM0TK5IC4OB90T8UXD3F22CD
What is an important deposit feeder that helps form and enrich soil?
[ "A reptile", "Swamp vegetation", "Bacteria", "A male", "Shrub beds", "A hermaphrodite", "An amphibian", "Peachleaf willow" ]
F
1,346
3EF8EXOTT1UL15SY2XH1QF032A91JK
What hormone stimulates the development of testicles?
[ "Oestrogen", "Progesterone", "Positive", "Testosterone", "Fsh", "Stamina", "Sweating", "Epidermal" ]
D
6,110
33NF62TLXJ1N76EKA7NJVUW29AWJKE
How are clouds formed?
[ "Dry and hot", "Heating liquids", "Physical weathering", "Solid, liquid, gas", "Dormant state", "Colder and wetter", "Evaporation", "Cooling vapors" ]
H
1,838
3AAPLD8UCCGQJJ9HGGYQK83JGJDHTK
What reproduces sexually?
[ "Humans", "Sunlight", "Ferns", "Squids", "Flowers", "Bacteria", "Trees", "Plants" ]
D
6,191