Question

how does sound propagate?​

Answer 1

Answer:

because of collision of molecules present in air medium

Answer 2

Answer:

The Propagation of sound. Sound is a sequence of waves of pressure which propagates through compressible media such as air or water. (Sound can propagate through solids as well, but there are additional modes of propagation). During their propagation, waves can be reflected, refracted, or attentuated by the medium.