There are a lot of environmental prombles nowaays, mainly because of pollution. It is the contamination of air, water and soil by different materials that interfere with human health and quality of life The emission from factories and engines including cars are the causes of air pollution and simple things that we do at home, like using aerosols, have bad effects on the ozone layer, which protects life on Earth from ultraviolet radiation Water is also sufefering from pollution because of domestic, municipal and industrial waste It is time for us to stop damaging the environment. We all should be environment friendly
 1. What is the biggest enemy of the environment?
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2. Do aerosols have a positive effect on the ozone layer? ..............................................................................................
3. What is the Function of the Ozone layer?
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