Multiple choice

Thermal pollution causes

  1. dissolved oxygen to decrease

  2. the number of fish to increase

  3. dissolved oxygen to increase

  4. the number of protozoan to increase
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Thermal pollution increases water temperature, which decreases the solubility of oxygen in water, thereby reducing the amount of dissolved oxygen available for aquatic life.

Keep practicing — related questions