What decreases in water as the temperature of an aquatic environment increases, negatively impacting both organisms and water quality?

Chemical Environmental Engineering MCQs for PPSC, FPSC, NTS, and Pakistan government job tests. Select an option below, then read the explanation.

PPSCFPSCNTSPakistan govt jobs
Subject
Chemical Environmental Engineeringchemical-engineering › chemical-environmental-engineering-chemical-engineering
Published
11 Mar 2019
Last updated
28 May 2026

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Explanation

An increase in water temperature leads to a decrease in the dissolved oxygen content, which harms aquatic life and degrades water quality. Biological oxygen demand and vapor pressure may change, but the primary harmful effect is due to reduced dissolved oxygen.

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