Question

explain sound needs a medium to travel​

Answer 1

Answer:

A sound wave travels in the form of a longitudinal wave and it requires a material medium for its propagation.  Sound always originates from some vibrating body. These vibrations are produced by tuning forks, drums, bells, the strings of a guitar, etc.

Answer 2

Explanation:

sound need a medium to travel because the sound is made up of sound wave and the soundwave needs a medium from which it can travel and the medium act as a way/road