The correct statement is 1. Iron rims are cooled before they are placed on the cart wheels. 2. A glass stopper gets tighten on warming the neck of the bottle. 3. Telephone wires sag in winter, but become tight in summer. 4. A little space is left between two rails on a railway track.

The correct statement is 1. Iron rims are cooled before they are plac

1.	The correct statement is 1. Iron rims are cooled before they are placed on the cart wheels. 2. A glass stopper gets tighten on warming the neck of the bottle. 3. Telephone wires sag in winter, but become tight in summer. 4. A little space is left between two rails on a railway track.
Answer» A little space is left between two rails on a railway track.

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The correct statement is 1. Iron rims are cooled before they are placed on the cart wheels. 2. A glass stopper gets tighten on warming the neck of the bottle. 3. Telephone wires sag in winter, but become tight in summer. 4. A little space is left between two rails on a railway track.

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