Which of the following is non-conventional source of energy?
A. Oil and petroleum
B. Solar energy
C. Wind energy
D. Geo-thermal
Answer: Option A
A. Oil and petroleum
B. Solar energy
C. Wind energy
D. Geo-thermal
Answer: Option A
A. aluminium
B. iron
C. stainless steel
D. copper
A. Rutt
B. Stella Saundaraja
C. Crang and Rush
D. Mary Jean Alexander
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