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A studentt observe a fish resting in the classroom fish tank . the fish mouth was openning and closing regulary as it pumped water over its gills . Why was the fish pumping wate…

A studentt observe a fish resting in the classroom fish tank . the fish mouth was openning and closing regulary as it pumped water over its gills . Why was the fish pumping wate…
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a studentt observe a fish resting in the classroom fish tank . the fish mouth was openning and closing regulary as it pumped water over its gills . Why was the fish pumping water over its gills ?

User Ziwei Zeng
by
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2 Answers

6 votes

Answer:

a

you got this this :)

User Rick Sladkey
by
8.6k points
4 votes
To absorb the oxygen traces in the water
User Ezequiel Marquez
by
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