Question

Short article for class 4 on population

Answer 1

o nowadays population has become a big issue in our country which state the example of Mumbai there is a lot of population because the population people have problem in inhaling the oxygen and. exhaling co2

Answer 2

Pollution refers to the exchange of harmful gases and there accumulation in the environment. ...Day by day it is increasing in our environment which leads many types of deases like resperatory deases .........so we should try to control it. ......!!!!