Mexico city is growing very fast. in 1970 the city had about nine million people. now it has over 17 million. all these people who mostly come from the country are causing the problems for the city. there are not enough jobs. also, there is not enough housing large families have to live together in very small homes. many homes do not have water. they also do not have bathrooms or electricity. in addition the air of mexico city is dirty and unhealthy. the smoke from the factories and the air of the city. all these problems make the government work hard to make life better in the city. pollutes what was the mainly caused problems of mexico city ?a. the populated air of the city
b. the housing provision by the government
c. the rapid growth of country people
d. the available jobs in mexico city
e. the migration of country people to the city​