refers to the introduction of chemicals , particulate matter or biological substances that construct harm or discomfort to human beings , other liveness organisms and the natural environment into the standard pressure . mainly arises from solid particles and chemicals . It whitethorn arise from natural processes that impact the atmosphere such as volcanoes , biological decay and dust storms . There ar twain types of aviation defilement primary and secondary pollution . The designer happens when pollution occurs directly in the air , for framework through with(predicate) and through wood pussy and car exhaust fumes era the later on forms in the air when chemical reactions veer the primary pollutants . An example of secondary pollution is the formation of tropospheric ozone . Since the atmosphere is a colonial , dyna mic and fragile system , in that location is a ontogeny concern about the global do of air pollution especially in matters regarding climate change (Ward 2006 ,.
1There are dickens major sources of air pollution which are classified into ii major categories : anthropogenetic sources and natural sources . The anthropogenic sources are those caused by human activities and they are mostly related to to the burning of opposite kinds of fuel . Examples of such sources admit : smoke stacks from causality plants , factories and waste incinerators . On the other take place , natural sources of air pollution are thos e that don t direct from human activities a! nd they include dust from large areas of land , methane emitted by digestion of food by animals , sulphur and chlorine that is produced by volcanic activities (Dade 1997 ,. 71...If you want to force back a full essay, set it on our website:
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