The standard B.O.D. of water is taken for Options: A . &nbsp1 day B . &nbsp2 days C . &nbsp3 days D . &nbsp5 days

The standard B.O.D. of water is taken for

Question

The standard B.O.D. of water is taken for

Options:

A . 1 day

B . 2 days

C . 3 days

D . 5 days

Answer: Option D

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