Which sample is likely to be river water if the BOD values are 20 mg/L, 8 mg/L, and 400 mg/L? - Biology and Human Welfare Quiz | GKFix.in

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Question

Which sample is likely to be river water if the BOD values are 20 mg/L, 8 mg/L, and 400 mg/L?

A. 400 mg/L
B. 20 mg/L
C. 8 mg/L
D. Cannot be determined

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