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Classification based on solubility

Dissolved oxy...

Question

Dissolved oxygen in water is used for __________________ by aquatic animals.

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Solution

Air is present in a dissolved state in all natural sources of water.
Oxygen is more soluble in water than Nitrogen.
The composition of air dissolved in water is 33% Oxygen, 66% Nitrogen, and 1% Carbon dioxide.
Marine life, like fish, use the Oxygen of the air dissolved in water for respiration, and thus aquatic life is sustained.
Dissolved oxygen in water is used for respiration by aquatic animals.

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