Why is the pollution different in different parts of the same city?请用英语回答谢谢
问题描述:
Why is the pollution different in different parts of the same city?请用英语回答谢谢
答
There are different population in different parts of the same city,there are less resident who live in this area drive cars,but the other part of the city's resident would drive cars,which create different amount of air pollution