Is it true that, if the dissolved oxygen level drops to zero, the wate – InterviewSolution

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1.	Is it true that, if the dissolved oxygen level drops to zero, the water will become septic ? Give an example which could lower the dissolved oxygen contents of an aquatic body.
Answer» Yes, this is true that if the dissolved. O₂ level falls to zero the water will get septic. The presence of organic pollutants in the water bodies results in lowering the level of dissolved oxygen even upto zero.

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