Name two international efforts to check ozone depletion</h2></div>

High concentration of greenhouse gases has resulted in maximum rise of atmospheric temperature in </h2>&l…

............ is a man-made source of air pollution.</h2></div>

What happens when the maximum amount of oxygen in the upstream of sewage discharge is utilized by microbes?

40 to 50% depletion in ozone layer occurs in the .......... polar region</h2></div>

Deforestation does not lead to<span><br> </span></h2></div>

Which component of the cooked food should not be disposed off into the drain?<br> </h2></div>

Deforestation will decrease<span><br> </span></h2></div>