Question

If you want to hear a train approaching from for away , why is it more convenient to put the ear to the track ?​

Answer 1

Answer:

Answer: It is more convenient to put the ear to the track because sound waves travel faster in solids than in air.

Explanation:

hope this will helpful to you

Answer 2

${\tt{\red{\underline{\underline{\huge{Answer:}}}}}}$

It is more convenient to put the ear to the track because sound waves travel faster in solids than in air.

Explanation:

hope this will helpful to you