Multiple Choice Questions on Which of the following adds adds carbon dioxide to the carbon cycle on the planet Earth 1 Volcanic a........... for UPSC Civil Services Examination (General Studies) Preparation

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Multiple Choice Questions

Which of the following adds adds carbon dioxide to the carbon cycle on the planet Earth 1 Volcanic a...........

Geography Atmosphere
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    Which of the following adds/adds carbon dioxide to the carbon cycle on the planet Earth ?

    1. Volcanic action

    2. Respiration

    3. Photosynthesis

    4. Decay of organic matter

    Select the correct answer using the code given below:

    This questions was previously asked in
    UPSC CSP Previous Year Paper (2014)
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    1 and 3 only

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    2 only

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    1, 2 and 4 only

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    1, 2, 3 and 4

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    Explanation:

    Carbon dioxide is added to the atmosphere naturally when organisms respire or decompose (decay), carbonate rocks are weathered, forest fires occur, and volcanoes erupt. Carbon dioxide is also added to the atmosphere through human activities, such as the burning of fossil fuels and forests and the production of cement.

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