6th Class Science Sample Paper Science Sample Paper-3

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

    A) Reflection of light 

    B) Green house effect

    C) Dispersion of light 

    D) All of these

    E) None of these

    Correct Answer: B


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