Answers

2015-12-22T11:29:20+05:30
Pollution is the contamination of nature and environment through the introduction of foreign elements.
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Welcome
Presence of matter (gas, liquid, solid) or energy (heat, noise, radiation) whose nature, location, or quantity directly or indirectly alters characteristics or processes of any part of the environment, and causes (or has the potential to cause) damage to the condition, health, safety, or welfare of animals, humans, plants, or property

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2015-12-22T11:43:10+05:30
Contamination of unwanted materials in water , air or land (soil )  is know as pollution.
Broadly It can be of three types
Soil pollution 
Water pollution 
Air pollution 
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Presence of matter (gas, liquid, solid) or energy (heat, noise, radiation) whose nature, location, or quantity directly or indirectly alters characteristics or processes of any part of the environment, and causes (or has the potential to cause) damage to the condition, health, safety, or welfare of animals, humans, plants, or property.