Question

In old western movies, cowboys often would put their ear to a train track to listen for an oncoming train. What benefit would this method provide over listening for a train by listening for sound through the air? A) The sound would be louder. B) The sound would be undistorted. C) The sound would reach him sooner. D) The sound would higher in frequency.

Answer 1

Answer:

I think option d is correct as sound travel more faster in solids..