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1. the fish has gills and scales on its body.
2. the gills are helping the breathing process of the fish.
3. so gills take water in the body the water contains even oxygen in it so it breath in this process.

hope so my answer is useful
1 5 1
by using gills by taking dissolved oxygen in water
yes it true'
Fish breath through gills and observe oxygen from the water
It's not observe it is absorb
Correct it
thank u frnds