What are the effects of ozone depletion ?</h2></div>

.......... is a farming system with minimal or no use of chemicals such as fertilizers, herbicides, pesticides.</h2&g…

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

List four benefits to human life by eliminating the use of CFCs.</h2></div>

What is organic farming ?</h2></div>

Groundwater will not be depleted due to</h2></div>

Thermal pollution causes a decrease in dissolved oxygen.</h2></div>

Which of the following are the correct approaches to reduce global warming ?<br> (i)   Use of fo…