Question

17. What is meant by dissolved oxygen?​

Answer 1

Answer:

Explanation:

Dissolved oxygen (DO) is the amount of oxygen that is present in water. Water bodies receive oxygen from the atmosphere and from aquatic plants.

Answer 2

Answer:

Dissolved oxygen is a measure of the amount of gaseous oxygen contained in water. Healthy waters that can support life must contain dissolved oxygen (DO). direct absorption from the atmosphere.

Explanation:

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