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Which of these is a non-conventional source of energy?
ACoal
BPetroleum
CSolar energy
DNatural gas
Answer & Solution
Correct answer: C. Solar energy
1. NCERT categorises energy as conventional vs non-conventional.
2. Solar, wind, tidal, geothermal, biogas and atomic energy are non-conventional sources.
3. Coal, petroleum, natural gas and firewood are conventional sources.
_Source: NCERT Class 10 Geography Contemporary India - II, Ch 5 "Minerals and Energy Resources", §Non-conventional ¶1_
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