8th Class Science Sample Paper Science Olympiad Model Test Paper-11

  • question_answer
    As we know, lightning in the sky can be dangerous. But it is also useful to us. How?

    A) The heat and light released during lightning enables nitrogen of the air to combine with oxygen to form oxides.

    B) Lightning helps in formation of nitric acid.

    C) Lightning helps in the formation of ozone layer.

    D) All of these

    E) None of these

    Correct Answer: D


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