Question

Sound needs a ______ to propagate​

Answer 1

Answer:

Sound needs a medium to travel. Sound waves are longitudinal waves i.e., particles of the medium vibrate in a direction parallel to the direction of propagation of the wave. During the vibration of particles of the medium, regions of compression and rarefaction are formed.

Mark as Brainliest

Answer 2

Answer:

Sound needs a Medium to propagate.