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Kruka [31]
3 years ago
11

Chemical reactions change subtances into different substances when the atoms

Biology
1 answer:
maks197457 [2]3 years ago
4 0

Answer:

I am not sure but I think the answer is of first one.

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<h3>Define adaptation?</h3>

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Thus,Structural adaptations are biological characters of an organism like the bill on a bird or the fur on a bear.

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