_____ shields the surface of the earth from ultraviolet (UV) radiation from the sun.</h2></div>

Which of the following is an extremely potent pollutant?

Nowadays we find E-waste on a large scale. Express your opinion about its harmfulness.</h2></div>

________ is e-waste.<br> </h2></div>

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

Explain giving two reasons (b) What is organic farming? Why is it suggested to switch over to organic farming?</h2&gt…

Water pollution is caused by :<br> </h2></div>

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