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Comments ( 3 )

  1. Aifuwa Osamudiamen
    Aifuwa Osamudiamen :
    1 year ago

    It from water due to the process photolysis of water
    2H2O>>>>2H+ + 2OH–
    4OH– >>>> 2H2O + O2

  2. Madan Swami
    Madan Swami :
    2 years ago

    It is water

  3. Sachin Karadi
    Sachin Karadi :
    2 years ago

    It must be from water

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