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What natural destructive element cuts away at rock forming river valleys?
asked
Jan 7
in
Science
0
votes
1
answer
142
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What kind of relay occurs between the uterus, hypothalamus, and the posterior pituitary to assure an adequate supply of the hormone oxytocin during childbirth?
asked
Jan 7
in
Science
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1
answer
112
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What kind of hormones are secreted by organs classified as gonads?
asked
Jan 7
in
Science
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1
answer
112
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What do you call resources that can be replaced at the rate they are being used?
asked
Jan 6
in
Science
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1
answer
104
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The force that a magnet exerts on certain materials is called what?
asked
Jan 2
in
Science
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1
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72
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Scientists around the world study speciation, documenting observations both of living organisms and those found in the fossil record. as their ideas take shape and as research reveals new details about how life evolves, they develop models to help explain what?
asked
Dec 31, 2024
in
Science
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1
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49
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Respiration cycles the organic carbon into which gas?
asked
Dec 31, 2024
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1
answer
46
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Earthworms are important deposit feeders that help form and enrich what material?
asked
Dec 30, 2024
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0
votes
1
answer
70
views
A changing magnetic field produces an electric current in what?
asked
Dec 30, 2024
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Science
0
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1
answer
60
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What is the term for the rate at which velocity changes?
asked
Dec 28, 2024
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1
answer
70
views
What crystals consist of molecules at the lattice points of the crystal, held together by relatively weak intermolecular forces?
asked
Dec 27, 2024
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0
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1
answer
57
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In the stomach, which material's arrival triggers churning and the release of gastric juices?
asked
Dec 27, 2024
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1
answer
35
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What branch of science is the study of human origins?
asked
Dec 27, 2024
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0
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1
answer
75
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Which two basic parts of a plant develop tough outer coatings to protect the plant from the environment?
asked
Dec 27, 2024
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1
answer
21
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What are the major sites of gibberellin production?
asked
Dec 27, 2024
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1
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83
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When animals get rid of their gaseous waste, what is exhaled through their mouth and nose?
asked
Dec 27, 2024
in
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