What is the cause of depletion of Ozone layer?</h2></div>

Name the agents responsible for transportation of soil.</h2></div>

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

How much BOD reduces in preliminary treatment?<span><br> </span></h2></div>

If there was no <span class="katex"><span class="katex-html" aria-hidden="true"&g…

Which of the processes is used to dispose the radioactive wastes?<span><br> </span></h2></div…

Which of the following would happen in the presence of greenhouse effect in the atmosphere?</h2></div>

<span>The garbage or trash collected regularly is known as</span></h2></div>