Replenishment of dissolved oxygen in water stream pollute... — Answer & Explanation | PrepBeePakistan

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HomeMCQsChemical Engineering

MEDIUMENGLISHChemical Engineering

Replenishment of dissolved oxygen in water stream polluted with industrial waste occurs by________________?

Correct answer: C

Explanation

Both natural aeration and photosynthesis by algae help increase dissolved oxygen levels in polluted water.

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