Question

What mechanical waves needs a medium to travel through?

Answer 1

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.

Answer 2

A) all 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 .