When does the BOD (Biochemical Oxygen Demand) | vedclass

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(A) $BOD$ refers to the amount of oxygen that would be consumed if all the organic matter in one liter of water were oxidized by bacteria.As bacteria

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When the amount of organic matter is consumed.

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(A) $BOD$ refers to the amount of oxygen that would be consumed if all the organic matter in one liter of water were oxidized by bacteria.As bacteria break down and consume the organic matter present in the water,the total amount of organic matter decreases.Since $BOD$ is directly proportional to the amount of organic matter,the consumption of organic matter leads to a decrease in the $BOD$ value of the water body.

When does the $BOD$ (Biochemical Oxygen Demand) decrease?

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