BOD stands for:
Correct answer: D. Biological oxygen demand
- A. Biotic oxygen deduction
- B. Base of degradation
- C. Biotic oxide demand
- D. Biological oxygen demand
Explanation
BOD means Biological Oxygen Demand, the oxygen required by microorganisms to decompose biodegradable organic matter in water. A high BOD indicates heavy organic loading and possible oxygen depletion.
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