refers to the introduction of chemicals , particulate matter or biological substances that constitute harm or discomfort to human beings , other liveness organisms and the natural environment into the atmosphere . 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 are both types of aviation defilement primary and secondary pollution . The precedent happens when pollution occurs directly in the air , for framework through and through smoke and car exhaust fumes while the later on forms in the air when chemical reactions change the primary pollutants . An example of secondary pollution is the formation of tropospheric ozone . Since the atmosphere is a colonial , dynamic and fragile system , there is a ontogeny concern about the global effects 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 : anthropogenic sources and natural sources . The anthropogenic sources are those caused by human activities and they are mostly related 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 hand , natural sources of air pollution are those that don t result from human activities and 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, order it on our website:
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