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Biochemical Oxygen Demand (BOD) in river...

Biochemical Oxygen Demand (BOD) in river water

A

Increases when sewage gets mixed with river water

B

Remains unchanged when algal bloom occurs

C

Has no relationship with concentration of oxygen in the water

D

Gives a measure of Salmonella in the water

Text Solution

Verified by Experts

The correct Answer is:
A
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