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Biochemical Oxygen Demand (BOD) in a riv...

Biochemical Oxygen Demand (BOD) in a river water:

A

has no relatiship with concentration of oxygen in the water

B

gives a measure of Salmonella in the water

C

increases when sewage gets mixed with river water

D

remains unchanged when algal bloom occurs.

Text Solution

Verified by Experts

The correct Answer is:
C
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