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kupik [55]
3 years ago
10

What effect did the increased oxygen levels have on Earth?

Biology
1 answer:
Alexxx [7]3 years ago
7 0
I think that the answer is global warming
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Neporo4naja [7]

Answer:

older, older

Explanation:

Fossils deeper in the ground are older.

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2 years ago
Which of these shows the levels of organization in the correct order from smallest to largest?
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<em><u>B</u></em>

Explanation:

cell is the first organization level

tissue is the second level

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Its A) artificial selection. <span />
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Why would you expect an earthworm to lack an exoskeleton??
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Which type of limiting factor affects a large population more than it affects a small population?
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A sounds correct

Please vote answer branliest! Thanks.
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