INTRODUCTION( you introduce the topic)
BODY( write about the topic. explain it and give an example if possible)
CONCLUSION(end the essay)

The main sources of air pollution in India and elsewhere are mineral dust and gases, automobiles, thermal power plants and industries. Any contamination in the air may not only cause many diseases and loss of vision but can also disturb the whole atmospheric system. Air pollution can also cause acid rain which damages soil, vegetation and aquatic life of the region.The heavy use of automobiles causes pollution and smog from automobile emissions. This has become a serious problem in almost all the countries—developed and developing.The bad urban air bums the eyes, damages lung tissues and increases the levels of lead and other poisons in the human body and agricultural products. It is not known how many deaths occur nationally because of air pollution.