Biochemical Oxygen Deman, (BOD) is a measure of organic material present in water. BOD value less than `5 "ppm"` indic

Biochemical Oxygen Deman, (BOD) is a measure of organic material present in water. BOD value less than `5 "ppm"` indicates a water sample to be
A. rich in dissolved oxygen.
B. poor in dissolved oxygen.
C. highly polluted.
D. not suitable for aquatic life.

Biochemical Oxygen Deman, (BOD) is a measure of organic material present in water. BOD value less than `5 "ppm"` indicates a water sample to be

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