Answer:
Ans. (a) Air Pollution: This kind of pollution is caused by the emission of harmful gases into the atmosphere. Smoke and chemicals emitted by factories and vehicles degrade the air quality and causes air pollution.
(b) Water Pollution: Discharge of industrial and household wastes into rivers, streams or lakes causes degradation of the water quality. Over time, the increase in water pollution often results in the deaths of several animals and poses serious threats to human beings.
(c) Land Pollution: It is caused by the dumping of toxic materials and wastes on land, which damages the quality of land or making it soil unproductive or unfertile for agriculture and crop plantation.
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