Thursday, 19 May 2011

measures of preventing or controlling air pollution


this how to prevent inhalation of polluted air by using some protective materials

what is air pollution and its cause

Causes of Air Pollution

carbondioxide is the main cousative agent of air pollution as it expelled from the big industries .

prevention and control measures of soil pollution




the soil have to be cultivated and pesticides are applyed

how does soil pollution and its causes
























the soil infertility couse the the lack of nutrients to the plant as seen on the leaves