Which of the following is not commercial source of energy?
A. Coal
B. Petroleum
C. Natural Gas
D. Firewood
Answer: Option D
Solution(By Examveda Team)
Commercial source of energy such as coal, petroleum & natural gas are obtained commercially whereas fire wood is obtained non-commercially by people from wastelands forestlands in terms of twigs, sticks etc.Related Questions on Natural Resources and Industries in Indian Geography
Which central government agency is responsible for the mapping and exploration of minerals?
A. The Geological Survey of India
B. Surveyor General of India
C. National Mineral Development Corporation Ltd
D. Indian Bureau of Mines
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