Q. Coal is formed from

  • (A) Crude oil
  • (B) Deposit of animal waste
  • (C) Coke
  • (D) Compressed and hardened biomass
✅ Correct Answer: (D) Compressed and hardened biomass

Published by Rohan Raj ⭐ 6.53K Points at 13-Nov-2021 01:06 pm in Chemistry

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