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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 (CH₄) 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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