Free radicals of bromine are more destructive than _______ in case of ozone depletion.<span><br> </span&g…

Main cause of extinction of species from tropical areas is</h2></div>

Which one of the following is responsible for causing skin cancer and mutation?</h2></div>

Kyoto protocol is a multination international treaty for</h2></div>

The ozone layer  'ozonosphere' occurs in</h2></div>

Reason for elimination of wild life is </h2></div>

Main cause of extinction of species from tropical areas is<span><br> </span></h2></div>

What is involved in ozone depletion?<span><br> </span></h2></div>