What is radioactive pollution?</h2></div>

Draw a flow chart to show how deforestation leads to desertification. </h2></div>

The major pollutants to deplete ozone are</h2></div>

BOD stands for</h2></div>

<span>Japan accident occurred in</span></h2></div>

Hatchlings grown in nursery ponds form :</h2></div>

At night, low clouds:<span><br> </span></h2></div>

Ideal conditions for a strong radiation inversion:<span><br> </span></h2></div>