Multiple choice

If water pollution continues at its present rate, it will eventually�

  1. Make oxygen molecules unavailable to aquatic life

  2. Make nitrates unavailable to aquatic life

  3. Prevent precipitation

  4. Stop the water cycle
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Water pollution reduces dissolved oxygen levels, making oxygen unavailable to aquatic organisms. When organic pollutants decompose, they consume oxygen through bacterial action. This oxygen depletion can lead to fish kills and ecosystem collapse in severely polluted waters.

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