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6th Class Science The Living Organisms and their Surrounding Question Bank Self Test-17

  • question_answer
    Presence of huge quantity of water vapor, methane, nitrous oxide and carbon dioxide in the atmosphere that reflect back heat on to the earth surface produces which one of the following?

    A)  Reflection of light

    B)  Green house effect

    C)  Holes in the ozone layer

    D)  All of these

    E)  None of these

    Correct Answer: B

    Solution :


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