1. Answer the following questions in detail. Write a short note on the sources of air pollution? 2. What are effects of air pollution on human health? 3. How is acid rain formed? What are its harmful effects? 4. Explain the phenomenon of global warming. How is it effecting the life on the Earth? 5. Where is ozone layer found? What is its important? 6. Write a few steps that can be taken to prevent and control air pollution. 7. What are the common causes of water pollution? 8. What are the effects of water pollution? 9. What are the different methods of making water potable? 10. Explain the different stages or steps of a water treatment plant.
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the air pollution is major in cities such sources that make pollutions are : 1) the factories of sugar, milk,and clothes and such as chemical factories 2) the vehicles produce carbon dioxide it causes the major air pollution 3) throwing the garbage outside our house it also causes the pollution
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