What does installation of scrubbers can reduce?<span><br> </span></h2></div>

<span>What are the effects of air pollution?</span><div><span>i. greenhouse effect<br> ii.…

If deforestation is done in large scale, this natural calamity may occur</h2></div>

Producer gas is obtained through the process of:</h2></div>

How do ultraviolet rays coming from sun affect the living organisms?</h2></div>

'Human activities' are playing main role in causing;<span><br> </span></h2></div>

Overall the contribution of carbon dioxide to global warming is</h2></div>

The enhanced growth of water hyacinth in lakes can be due to</h2></div>