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User Rosaline02Y
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The hamstrings flex the leg, whereas the quadriceps femoris have what effect?
asked
Jan 2
in
Science
0
votes
1
answer
75
views
Testing what usually requires making observations or performing experiments?
asked
Dec 31, 2024
in
Science
0
votes
1
answer
44
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How many major forces of elevation cause allele frequencies to change?
asked
Dec 30, 2024
in
Science
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votes
1
answer
59
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Fruit-eating bats receive food from plants and, in return, help these plants by doing what?
asked
Dec 30, 2024
in
Science
0
votes
1
answer
32
views
Energy is lost as heat between each trophic level due to the second law of what?
asked
Dec 30, 2024
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Science
0
votes
1
answer
50
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Balanced chemical reactions are balanced in what?
asked
Dec 30, 2024
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Science
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1
answer
40
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An unbalanced force on an object in motion causes what?
asked
Dec 30, 2024
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Science
0
votes
1
answer
42
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How many people die from air pollution each year?
asked
Dec 28, 2024
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Science
0
votes
1
answer
54
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Anaerobic prokaryotes can live without what compound in their environment (it's a compound that people do need to live)?
asked
Dec 28, 2024
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Science
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