The detrimental effect on organism and water quality with temperature rise of aquatic system is the reduction of _____________ of water?
Correct answer: D. Dissolved oxygen content
- A. All A., B. and C.
- B. Biological oxygen demand
- C. Vapor pressure
- D. Dissolved oxygen content
Explanation
As water temperature rises, the solubility of oxygen decreases, so its dissolved oxygen content falls and aquatic organisms are stressed. Vapor pressure increases rather than decreases, while BOD is not the direct reduction described.
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