Air pollution is a cause of ill-health in human beings .In a lot of countries there are laws limiting the information on the effects of smoke in the a
Air pollution is a cause of ill-health in human beings .In a lot of countries there are laws limiting the information on the effects of smoke in the atmosphere , doctors have proved that air pollution causes lung diseases The gases from the exhousts of cars have also increased air pollution in most cities .The … Đọc tiếp