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Which is a non-conventional source of energy?

ACoal
BDiesel
CPeat
DSolar
Answer & Solution
Correct answer: D. Solar
1. Coal and petroleum are conventional. 2. Solar, wind, tidal and biogas are the newer group. 3. Solar is non-conventional. _Source: NCERT Class 10 Geography, Contemporary India II, Chapter 5, Minerals and Energy Resources._
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