1(xii)
Many nuclear power plants are constructed near water sources. They use water for cooling their machinery and release it back into the water stream. Identify the kind of pollution caused.
- (a)Radiation pollution
- (b)Water pollution
- (c)Industrial pollution
- (d)Thermal pollution
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Thermal pollution
Reason — Nuclear power plants use large amounts of water for cooling, and when this heated water is released back into rivers or lakes, it raises the water temperature. This sudden increase in temperature harms aquatic life by reducing oxygen levels and disrupting ecosystems. This type of pollution is called thermal pollution.