ICSE BoardEnglish MediumSTD 9GeographyPollution2 Marks
Question
What is air pollution ? Give a source of air pollution.
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Answer
Air pollution is the excessive concentration of foreign matter in the air which adversely affects the well-being of human beings, animals, plants, and their environment. Air pollution is caused by the addition of chemicals, carbon monoxide, sulphur dioxide, hydrogen sulphide by various factories, industrial plants.
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