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      Question

      Which of the following is a main component of

      biogas?
      A Methane Correct Answer Incorrect Answer
      B Carbon dioxide Correct Answer Incorrect Answer
      C Nitrogen Correct Answer Incorrect Answer
      D Oxygen Correct Answer Incorrect Answer
      E Hydrogen Correct Answer Incorrect Answer

      Solution

      Methane (CHâ‚„) is the primary component of biogas, typically making up about 50-70% of biogas, along with carbon dioxide and trace gases.

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