Question

4] Why oxygen dissolved in water is important ?​

Answer 1

Answer:

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.

Answer 2

Answer : 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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