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

Question

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

Isabella · Answer

huge tt pink{answer}     It is more convenient to put the ear to the track because sound waves travel faster in solids than in air

Aaliyah · Answer

Answer:   If you want to hear a train approaching from far away, why is it more convenient to put the ear to the track? Answer: It is more convenient to put the ear to the track because sound waves travel faster in solids than in air.

Camila

9. Which things have helped human beings to
become valuable resource?
(1 Point)
Machinery and vehicles
Educati

Answer the following question in one line what are parallels of latitudes

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