Moderate
Water pollution:
Correct answer: C. Increases turbidity deoxygenation
- A. Increases oxygenation
- B. Decreases turbidity
- C. Increases turbidity deoxygenation
- D. Increases photosynthesis
Explanation
Pollution adds suspended matter and organic wastes to water, increasing turbidity while microbial decomposition consumes dissolved oxygen. Thus, polluted water commonly becomes both more turbid and deoxygenated.
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