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Environmental Issues — BIOLOGY STD 12 Science — Question

Bihar BoardEnglish MediumSTD 12 ScienceBIOLOGYEnvironmental Issues1 Mark
MCQ
Which gas is present predominantly in biogas?
  • ✓
    Methane
  • B
    Ethane
  • C
    Butane
  • D
    Propane
✓

Answer

Correct option: A.
Methane
A

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