Pollution
pollution
Pollution is the introduction of harmful materials into the environment .These harmful materials are called pollutants . pollutants can be natural such volcanic ash .they can also be created by human Activity.There are 4 types of pollution:
Air pollution: source: smile from industries, vehicles, burning of waste etc...
Water pollution: source: water from industries, dumping of house hold waste, dumping medical equipment etc....
Land pollution :source: waste from industries dumping of used medical equipment
,etc...
Noise pollution: source: construction activities, events ,war, transportation ,etc...
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