‘‘Crude oil reserves are limited all over the world. If people continue to extract it at the present rate, the reserves would last only 35 - 40 years more.’’ Explain any three ways to solve this problem.
How can solar energy solve the energy problem to some extent in India? Give your opinion.
In the present day energy crisis what steps will you like to take for saving energy?
How is the mining activity injurious to the health of the miners and environment? Explain.
Describe Characteristics Of Durg-Bastar-Chandrapur Iron Ore Belt?
Why Is It Necessary To Conserve Mineral Resources? Explain Ways To Conserve