What is Air pollution? What are the main sources of air pollution? Write a few lines about each of them<span>.<…

What is meant by depletion of ozone layers ? What are its causes?</h2></div>

If global warming continues, organism facing severe threat is?</h2></div>

A movement similar to Chipko which has spread in South is<span><br> </span></h2></div>

Environment is warmed up by</h2></div>

Which one of the following ways can be used to control global warming?

Neem leaves or turmeric are used specifically in grain storage as </h2></div>

What are biomedical wastes?</h2></div>