anadelcueto anadelcueto

09-05-2018
Biology

contestada

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 ?

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tyleroneill tyleroneill

09-05-2018

To absorb the oxygen traces in the water

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maleahe maleahe

15-09-2020

Answer:

a

you got this this :)

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