Commercial sources of energy purely consist of
A. Power, coal, oil, gas, hydro-electricity and uranium
B. Coal, oil, firewood, vegetable waste and agricultural waste
C. Power, coal, animal dung and firewood
D. Coal, gas, oil and firewood
Answer: Option A
Solution (By Examveda Team)
Commercial energy is energy which is available to the users at some price. Commercial sources of energy purely consist of power, coal, oil, gas, hydro-electricity and uranium.This Question Belongs to Geography >> Miscellaneous World Geography
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