You have been selected to talk on "ozone layer and its protection" in the school assembly on 'Environment Day'.
(i) Why should ozone layer be protected to save the environment?
(ii) List any two ways that you would stress in your talk to bring in awareness amongst your fellow friends that would also help in protection of ozone layer as well as the environment.

Explanation

(i) Because ozone layer protects/shields the earth from harmful UV radiations of the sun.
(ii) Conducting poster making competition highlighting effects of ozone layer depletion.
(iii) Conducting street plays highlighting the ways of environment protection.
Detailed Answer : (i) Ozone layer helps in shielding the Earth from the harmful UV radiations coming from sun. If ozone layer gets depleted, UV radiations can directly reach the earth.s surface and drastically affect the life on earth.
(ii) Ozone layer can be protected by:
(a) Stopping the release of Chlorofluorocarbon
(b) Removing the pollutant nitrogen monoxide
(c) Reduce the usage of air conditioners.