<span>Write two ways for disposal of e-waste.</span></h2></div>

List at least three gaseous air pollutants that are emitted from automobiles and industries.</h2></div>

<p>What is green house effect? Write its two control measures.</p></h2></div>

Read the given statements and select the correct option. <br> Statement 1 : Reforestation is the process …

To dispose of which waste are the deep pits dug in desert areas or in the sea bottom?

UV radiations cause</h2></div>

Which of the following is the result of use of chlorofluorocarbons?</h2></div>

Untreated human excreta is a health hazard. Explain. <span><br> </span></h2></div&gt…