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    Question

    Which of the following is a natural source of air

    pollution?
    A Industrial emissions Correct Answer Incorrect Answer
    B Volcanic eruptions Correct Answer Incorrect Answer
    C Vehicle exhaust Correct Answer Incorrect Answer
    D Waste incineration Correct Answer Incorrect Answer

    Solution

    - Volcanic eruptions release gases like sulfur dioxide (SO₂), carbon dioxide (CO₂), and ash, contributing to air pollution naturally.
    - Human activities (industrial emissions, vehicle exhaust, waste burning) are major man-made pollution sources.
    - Other natural sources include dust storms, wildfires, and biogenic emissions from plants.

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