Computer · Environmental Engineering
The minimum amount of dissolved oxygen (D.O.) desirable in any natural river system to sustain aquatic life is:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 12 mg/L
- 25 mg/L
- 34 mg/L✓
- 41 mg/L
Correct answer
4 mg/L
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