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Skribentens beskrivelse af What is airpollutionWhat is Air Pollution? Pollution is now a common place term, that our ears are attuned to. We hear about the various forms of pollution and read about it through the mass media. A physical, biological or chemical alteration to the air in the atmosphere can be termed as pollution. It occurs when any harmful gases, dust, smoke enters into the atmosphere and makes it difficult for plants, animals and humans to survive as the air becomes dirty. |
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