Environment & Ecology · Environmental Studies
Why do fish die in water bodies that are highly polluted with sewage or feces?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Due to a sudden drop in water temperature
- 2Due to the depletion of dissolved oxygen caused by microbial decomposition✓
- 3Due to the physical blockage and closure of their gills
- 4Due to direct attack by pathogens on fish scales
Correct answer
Due to the depletion of dissolved oxygen caused by microbial decomposition
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