Question

Which statement about sound is true because it is a mechanical wave?

A)It can travel only through air
B) It must travel through a medium
C)It can teavel through the vacuum of space
D) It cannot travel through a medium​

Answer 1

B) It must travel through a medium

Step-by-step explanation:

Answer 2

The answer is A. Must travel throughout a medium.

Step-by-step explanation:

The transmission of sound depends on the existence of a material medium (solid, liquid, air particles) where the vibration of the molecules are perceived as a sound wave, which are converted into mechanical waves in the human ear, to be later perceived by the brain.

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