As a longitudinal wave moves through a medium, the particles of the medium: w) vibrate in a path parallel to the path of the wave x) vibrate in a path perpendicular to the path of the wave y) follow the wave along its entire path z) do not move

As a longitudinal wave moves through a medium, the particles of the medium: w) vibrate in a path parallel to the path of the wave x) vibrate in a path perpendicular to the path of the wave y) follow the wave along its entire path z) do not move
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ANSWER: W -- VIBRATE IN A PATH PARALLEL TO THE PATH OF THE WAVE  
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