What is pollution?

Dear Student, When any physical, chemical or biological changes occur in our physical environment it is known as pollution and the substances which bring these changes are known as pollutants. Sources for the pollution can be natural or man-made. Following are the different types of pollution:- Air pollution Water pollution Soil pollution Noise pollution Marine pollution Thermal pollution Nuclear pollution Regards

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dear student,

Pollution is the introduction of harmful materials into the environment. ... Pollutants can be natural, such as volcanic ash. They can also be created by human activity, such as trash or runoff produced by factories. Pollutants damage the quality of air, water, and land.

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