Air Pollution.pptx - What is Air Pollution Air pollution is...

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What is Air Pollution? Air pollution is the change in the natural composition of the air we breathe, beyond some defined limits. This change is induced by releasing harmful substances into the atmosphere and it causes damage to our health and environment. Air pollution may be defined as an atmospheric condition in which various substances are present at concentrations high enough above their normal ambient levels to produce a measurable effect on people, animals, vegetation, or materials. 'Substances' refers to any natural or manmade chemical elements or compounds capable of being airborne. These may exist in the atmosphere as gases, liquid drops, or solid particles. It includes any substance whether noxious or not Natural sources of air pollution include sea spray, volcanic activity, forest fire, and dust storms. Anthropogenic sources include motor vehicles, industrial production processes, and power generation.
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Types of Air Pollution Indoor Air Pollution Outdoor Air Pollution
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