Explain the following.<br> (i) Salination <br> (ii) Ozone hole <br> (iii) Pollution<br> (iv) Sec…

How is burning of fossil fuels thought to be related  to global warming?</h2></div>

When the level of contaminants in air becomes so much that air becomes harmful for living beings, it is called ________.…

<b>Define electronic waste and list at least six items which come under this category.</b><br> </h2…

Who enhances the degradation of ozone?

What is hybrid vehicle technology? Expalin is advantages with a suitable example?</h2></div>

The factor responsible for depletion of ozone layer is</h2></div>

Answer the following.<div><br> What do we learn from the story of Jadav Molai Peyang?</div></h2>…