Question

Thermal water pollution is caused due to:

• A. use of water as a coolant by power plants
• B. use of water for sewage treatment
• C. use of water as a disinfectant
• D. use of water as washing source

Answer 1

The correct option is A use of water as a coolant by power plants

A common cause of thermal pollution is the use of water as a coolant by power plants and industrial manufacturers. Elevated water temperatures decrease oxygen levels, which can kill fish and alter food chain composition, reduce species biodiversity, and foster invasion by new thermophilic species.