ਲੇਖ- ਵਿਚਾਰ ਪ੍ਰਧਾਨ I want this essay immediately please send me answer
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I didn't understand your language.Biochemical oxygen demand (BOD) represents the amount of oxygen consumed by bacteria and other microorganisms while they decompose organic matter under aerobic (oxygen is present) conditions at a specified temperature.
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