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    Question

    What is a common emission from combustion engines used

    in transportation?
    A Suspended particulate matter Correct Answer Incorrect Answer
    B Carbon Monoxide Correct Answer Incorrect Answer
    C Sulphur trioxide Correct Answer Incorrect Answer
    D Volatile organic compounds Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    Combustion engines used in transportation, especially vehicles, emit carbon monoxide, a harmful gas that can pose health risks.

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