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Vladimir79 [104]
3 years ago
8

Why does shells have ribs?

Biology
1 answer:
DerKrebs [107]3 years ago
3 0
PP rikkaaaa jsjsjsjjs shsh

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B. improved ecosystem health

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hodyreva [135]

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The answer is natural selection

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The modern theory of evolution was developed by Charles Darwin, an amateur English naturalist, in the 19th century

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