Plume' refers to path of<span><br> </span></h2></div>

............ is a man-made source of air pollution.</h2></div>

The major source of BOD in the river Ganga is </h2></div>

<span>Deforestation causes__________ to linger in the atmosphere.</span></h2></div>

What of the following was adopted as the substitute for open-burning dumping grounds?

UV radiations bring about</h2></div>

The function of tree plantation is celebrated through:</h2></div>

Which of the following causes mutations at a very high rate?