With the aid of appropriate diagram illustrate out the principles of rain water harvesting.
prepare down comprehensive notes on nuclear accidents and ozone layer depletion.
Illustrate in details the reasons for global warming.
prepare down an elaborate note on the salient characteristics of Environmental Protection Act.
With the help of neat diagram illustrate the variation in population growth among different nations.
prepare down a brief note on different family welfare programmes initiated by Govt. of USA.
Illustrate out the role of Information Technology in the environmental protection and human health.
Illustrate out the effects and control of the AIDS in USA.