Biology · Environmental Issues
Clean water generally has a BOD (Biochemical Oxygen Demand) value of:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Above 20 ppm
- 210-15 ppm
- 3Less than 5 ppm✓
- 4More than 17 ppm
Correct answer
Less than 5 ppm
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