Question

why are tiny gapy left in between rails on a railway line give reason​

Answer 1

Answer:

because when they have tiny gaps, where there is a lot of heat in the place the track expands but if the track doesn't have a gap it bends that makes the train collapse

Answer 2

Answer:

Hi friend this is your answer

Explanation:

Tiny gaps are left between rails on a railway line because metals expand on heat and in summer temperature rises and the rails expand and fill the gaps left . If there are no gaps then the rails will collide each other.