There is no incertitude that modern technological development has been the main instrument in polluting our phone line, oceans and rivers, etc. It is a matter of concern to all sympathy that our rivers ar turning murky, fishes ar rotting on sea-shores, trees are withering, cities are choked with foul air and toxic chemicals are finding their way into our food. Natures plentifulness is a heritage not to be squandered with impunity. It must be conserved for future generations or its bankruptcy will overthrow us all is the observation of a well-known scientist. It appears that man has lost his capacity to foresee and forestall. He will annihilate by destroying the earth and with it, of course, perish himself.
When the normal composition of air is changed, air becomes polluted.
The main causes of air pollution are : (i) combustion, (h) manufacturing processes, (in) agricultural activities, (iv) use of solvents, and (v) nuclear energy programmes. Details of these are assumption in the table that follows.Combustion can be categorised chiefly into three types, viz. fuel burning, transportation and refuse burning. completely these categories of combustion release several types of gases which pollute the air. Automobiles, trains, aircrafts and separate forms of transport are responsible for polluting the air with hydrocarbon, carbon monoxide, lead, nitrogen oxide and other oxygen products.
There are various types of manufacturing processes which cause air pollution. Chemical plants, metallurgical plants and...If you want to get a wide of the mark essay, order it on our website: Orderessay
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