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Alex
3 years ago
6

5. Why do some sharks need to move continuously?

Biology
2 answers:
Nesterboy [21]3 years ago
7 0

Answer:

So they can breathe

Explanation:

olga_2 [115]3 years ago
5 0

Answer:

Some sharks must swim constantly in order to keep oxygen-rich water flowing over their gills, so they can breathe.

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