7th Class Science Heat Question Bank Heat

  • question_answer
    Gaps are left between railway tracks because:

    A) gaps give the space to the tracks to expand in summer heat

    B) gaps hold the tracks firmly

    C) to produce gentle rhythmic sound when the train moves on the track

    D) it is customary to leave the gaps

    Correct Answer: A

    Solution :

        gaps give the space to the tracks to expand in summer heat


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