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Chemical Engineering
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Environmental Engineering MCQ
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The term "biochemical oxygen demand" (BOD) indicates:
The term "biochemical oxygen demand" (BOD) indicates:
A. Oxygen demand by chemicals
B. Oxygen demand by microorganisms
C. Oxygen produced by plants
D. Oxygen content only
Explanation:
BOD is oxygen used by microbes.
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Environmental Engineering MCQ
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Chemical Engineering
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