Question

Define, Biochemical Oxygen Demand(BOD)​

Answer 1

Answer:

Biochemical oxygen demand (BOD) is the amount of dissolved oxygen needed (i.e. demanded) by aerobic biological organisms to break down organic material present in a given water sample at certain temperature over a specific time period.

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Answer 2

Answer:

It is the amount of oxygen demanded or required by the microorganisms present in a water body to decompose the wastes in the water.It denotes the water quality.If it is high the water is more polluted.

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