Q. Write a paragraph in about 150 words on the topic given. Use the clues provided.1. THE TOPIC SENTENCE 1. All around the world living in big cities creates serious problems for people.2. SUPPORTING SENTENCES 2. a. The first problem is air pollution. For example, in Janakpuri, many people have cars and cars are one reason why the air is polluted.b. Secondly, traffic is an important problem for people living in big cities. Nowadays there are more and more cars on roads, and this causes traffic jams in many parts of the cities. For this reason, many inhabitants waste their time in traffic, and they are negatively affected by this situation.3. THE CONCLUDING SENTENCE 3. To sum up, air pollution and traffic jams are two important problems that people living in big cities have.
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Answer:
Air pollution is responsible for many health problems in the urban areas. Of late, the air pollution status in Delhi has undergone many changes in terms of the levels of pollutants and the control measures taken to reduce them. This paper provides an evidence-based insight into the status of air pollution in Delhi and its effects on health and control measures instituted. The urban air database released by the World Health Organization in September 2011 reported that Delhi has exceeded the maximum PM10 limit by almost 10-times at 198 μg/m3. Vehicular emissions and industrial activities were found to be associated with indoor as well as outdoor air pollution in Delhi. Studies on air pollution and mortality from Delhi found that all-natural-cause mortality and morbidity increased with increased air pollution. Delhi has taken several steps to reduce the level of air pollution in the city during the last 10 years. However, more still needs to be done to further reduce the levels of air pollution.