Multiple choice

Thermal pollution in water bodies is caused due to discharge of�

  1. Hot water from power plants

  2. Hot chemicals from industries

  3. Waste from mines

  4. Waste from agricultural fields
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A Correct answer
Explanation

Thermal pollution occurs when heated water from industrial cooling systems (especially power plants) is discharged into water bodies. This raises water temperatures, decreases dissolved oxygen, disrupts aquatic ecosystems, and can cause fish kills.

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