How can we overcome the problems of deforestation?</h2></div>

Pollutant likely to deplete ozone layer is?</h2></div>

What is organic farming?</h2></div>

If the river water is polluted with domestic sewage and garbage, it leads to the depletion of <br> </h…

The pollutant that causes hole in the ozone layer is<span><br> </span></h2></div>

From the following list, choose three microbes, which are suitable for organic farming and is in great demand these days…

Name two natural biopesticides.</h2></div>

What is the meaning of environmental protection?</h2></div>