Deforestation may lead to floods. Why? <span><br> </span></h2></div>

The presence of ozone in the atmosphere of earth</h2></div>

Which one of the following is a component of hospital waste?

Major pollutant of air is:</h2></div>

Ozone in the stratosphere is depleted by</h2></div>

______ can cause sea levels to rise dramatically.</h2></div>

What is the reason for choking of the surface off any pond or lake?

Write the unit used for measuring ozone thickness.</h2></div>