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  1. The gas released during the photosynthesis by the green plants is

  2. A.

     Oxygen

    B.

     Nitrogen

    C.

     Water vapour

    D.

     Carbon dioxide

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    Answer : Option A

    Explanation :

    The energy from light causes a chemical reaction that breaks down the molecules of carbon dioxide and water and reorganizes them to make the sugar (glucose) and oxygen gas.


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