Motor vehicles equipped with catalytic converter are advised to use unleaded petrol because </h2></div…

Which of the following options is a major water pollutant nowadays?</h2></div>

Pollutant likely to deplete ozone layer is?</h2></div>

<span>Which of the following prevents afforestation in deserts?</span><br> </h2></div>

Explain the relationship between CFCs and ozone in the stratosphere.<br> </h2></div>

List at least five important sources responsible for water pollution.</h2></div>

Which of the following are main responsible for ozone depletion?</h2></div>

All of the following are associated with organic farming except</h2></div>