Question

Gaps are left between the rails of railway tracks. Give reasons

Answer 1

Answer:

because it should be parallel so that train can go smoothly

Answer 2

Answer:

The gaps left between successive rails on a railway track, the reason is that the rails expand in summer. The gap is provided to allow for this expansion. If no gap is left, the expansion in summer will cause the rails to bend sideways. That will result in train accidents.