Question

hello sareyan nu

what is BDO​

Answer 1

Answer:

BOD is biochemical oxygen demand

it is used to check the pollution in water

more the bod more pollution in water

wait 3 din tk mil ju power wait kro bs

Answer 2

$\huge\mathfrak\red{YOUR ANSWER}$

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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