Fish die in water bodies polluted by sewage due to</h2></div>

'Nitric acid' reacts with ozone, resulting in the production of __________.<span><br> </span></h2&g…

If BOD of river is high, it means that the river </h2></div>

The term greenhouse effect was given by<span><br> </span></h2></div>

When domestic sewage mixes with river water </h2></div>

Ozone in the stratosphere is depleted by</h2></div>

How does bioaccumulation occur?</h2></div>

Incineration of Municipal waste involves<span><br> </span></h2></div>