Answered

what mechanical waves needs a medium to travel through?

Aall mechanical waves need a medium to travel through
Bsurface waves only
Ctransverse and longitudinal waves only
Dlongitudinal and surface waves only

Verified Answer :

andrewmagana2002
Aall mechanical waves need a medium to travel through.
This is true because mechanical waves move in a wave like manner at the atomic level. This is why an table vibrates when you put a speaker on top of it .
Ajiduah1

Answer: A. All mechanical waves needs a medium to travel through.

Explanation:

Mechanical waves are waves that require a medium to propagate their energy. Examples of mechanical waves include : Transverse wave, Longitudinal wave and Surface wave.