Eunice cheow's answer to Seow Yu Xuan's Primary 4 Maths Singapore question.
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The distance of the gaps become smaller or decreases.
During a hot day, the railway track gain heat from the surrounding air or Sun, expanded and became longer. The track is then nearer to another track, causing the between the track to be smaller.
During a hot day, the railway track gain heat from the surrounding air or Sun, expanded and became longer. The track is then nearer to another track, causing the between the track to be smaller.
Date Posted:
4 years ago
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