The maximum hole of ozone is found over ______</h2></div>

BOD stands for</h2></div>

<span class="katex"><span class="katex-html" aria-hidden="true"><span class…

Ozone depletion is occurring due to <span id="_wysihtml5-undo" class="_wysihtml5-temp"&g…

Write the full form of BOD.</h2></div>

A movement similar to Chipko which has spread in South is<span><br> </span></h2></div>

How does the application of fungal genus, Glomus, to the agriculture farm increase the farm output?</h2></div&g…

Draw a labelled diagram of typical biogas plant.</h2></div>