Environment & Ecology · Eutrophication and Water Pollution
Which specific biological process is primarily responsible for the depletion of dissolved oxygen in a water body following the death of an algal bloom during eutrophication?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1The rapid increase in photosynthetic rate of the surface-level algae
- 2The chemical neutralization of oxygen by excess nitrogen and phosphorus
- 3The decomposition of dead algae and organic matter by bacterial decomposers✓
- 4The physical absorption of oxygen by suspended sediment and soil particles
Correct answer
The decomposition of dead algae and organic matter by bacterial decomposers
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