. . . . . . . . gas is obtained from gobar gas plant by putting cow dung into plants.
A. Bio gas
B. Bio mass
C. Bio energy
D. Only A and B
Answer: Option A
A. Bio gas
B. Bio mass
C. Bio energy
D. Only A and B
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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