Question

(3) Why do you think oxygen dissolved in water is
important for the survival to aquatic animals and
Plants?​

Answer 1

Dissolved oxygen (DO) is one of the most important indicators of water quality. It is essential for the survival of fish and other aquatic organisms. Oxygen dissolves in surface water due to the aerating action of winds. ... When dissolved oxygen becomes too low, fish and other aquatic organisms cannot survive

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hope it will help

Answer 2

Answer:

they also need oxygen for their life..