Question

what is air pollution what is it causes how will you remove

Answer 1

the unwanted entities in nature ( can be air, water, soil etc) they cause harm to our nature as well as to organisms ...... there are many ways to remove it for example
for removal of air pollutants .... electrostatic preceptors are used
for water .....sevage treatment plants are there.....for land pollutants....proper dumping grounds are there

Answer 2

it is caused by harful pollutants in our surroundings like combustion of petrol smoke etc