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الموقع المغربي الأول الخاص بالتعليم الثانوي
دروس، تمارين و حلول، فروض و إمتحانات
يد في يد من أجل الحصول على شهادة الباكلوريا
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air pollution
air pollution can effect our health in many ways with a both short-term effects different groups of individuals are effected by air pollution in different ways .some individualsare much more sensitive to pollutants than are others. young children and elderly people after suffer môre from effects of air pollution.poeple with health problems such asthma .heart and lung disease may olso suffer more when the air is poolluted the extent to wich in individual is harmed by air pollution usualy depends on the total to the damaging chimicals i.e the duration of exposure and the concentration of the chimicals must be taken into account..this s the end of pragraph i wish to benefit it ok
Writings of 2nd year Bac " English"
