Difference between BOD amp COD Biochemical Oxygen Demand amp Chemical Oxygen Demand

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What are the differences between (Biological Oxygen Demand) and (Chemical Oxygen Demand) ? • Say hi to me on my new instagram ! •   / sayanseal3   • • This difference is asked in many exams. • Good Luck for your Exams and also for Life: • • • • • • • • Pray to god stay happy • • • • • • Music Credits:Bensound.com(Check them out ) • Music Credits:NCS(NoCopyrightSounds) check them on Youtube • #DifferenceBetweenBodCoD • #BODandCOD • #BOD_COD

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