Presence of soluble organics in polluted water causes_________________?
Correct answer: B. Depletion of oxygen
- A. Undesirable plants growth
- B. Depletion of oxygen
- C. Fire hazards
- D. Explosion hazards
Explanation
Soluble organic matter is consumed by microorganisms, whose respiration uses dissolved oxygen and thereby depletes it. This oxygen demand can create anaerobic conditions harmful to aquatic life.
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