Environment & Ecology · Environment
An increase in Biochemical Oxygen Demand (BOD) in a water body indicates which of the following?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Purity and suitability of water for drinking
- 2Absence of microbial activity
- 3An increase in dissolved oxygen content
- 4High level of pollution caused by sewage and organic waste✓
Correct answer
High level of pollution caused by sewage and organic waste
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