polution.docx

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Water pollution is the contamination of water bodies (e.g. lakes, rivers, oceans, aquifers and groundwater). This form of environmental degradation occurs whenpollutants are directly or indirectly discharged intowater bodies without adequate treatment to remove harmful compounds. Noise pollution is the disturbing noise with harmful impact on the activity of human or animal life. The source of outdoor noise worldwide is mainly caused by machines and transportation systems, motor vehicles engines
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  Water pollution   is the contamination  of water   bodies (e.g. lakes, rivers, oceans, aquifers and groundwater). This form of environmental degradation occurs when pollutants  are directly or indirectly discharged into water   bodies without adequate treatment to remove harmful compounds. Noise pollution   is the disturbing noise  with harmful impact on the activity of human or animal life. The source of outdoor noise  worldwide is mainly caused by machines and transportation systems, motor vehicles engines and trains. Outdoor noise  is summarized by the word environmental noise . Land pollution   is the deterioration (destruction) of the earth's land  surfaces, often directly or indirectly as a result of man's activities and their misuse of land resources. ir pollution   is a mixture of solid particles and gases in the air  . Car emissions , chemicals from factories, dust, pollen and mold spores may be suspended as particles. Ozone, a gas, is a major part of air pollution  in cities. When ozone forms air pollution , it's also called smog. Some air pollutants  are poisonous.     
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