Which of these statements describes a characteristic of all mechanical waves? a
they are transverse waves
b
they are electromagnetic waves
c
they travel through a medium
d
they travel through empty space

C

Explanation:

Mechanical waves require a medium to travel.

c. they travel through medium

Explanation:

c. because a mechanical wave is a wave that cannot transmit its energy through a vacuum. Mechanical waves need a medium in order to transport their energy from one location to another. A sound wave is an example of a mechanical wave. Sound waves are incapable of traveling through a vacuum.

diaria maybe go see a doctor about that