Thermal pollution

AIs the pollution of hot springs

BIs the pollution of a water body ✓ Correct

CIs the pollution of air

DIs the rise of temperature in an urban environment compared with the surrounding suburban environment

Correct answer: (B) Is the pollution of a water body

Explanation

Thermal pollution is the harmful rise in temperature of a water body, usually from industrial cooling discharge.

Hot springs are natural features and are not what the term describes.

It is not classed as air pollution.

The warming of a city over its surroundings is the urban heat island, a different idea.

The defining feature is heated water lowering the oxygen a water body can hold.

Warm effluent from power plants is a common source of thermal pollution.

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