Answer:
B, A mechanical wave transfers energy through empty space
Step-by-step explanation:
A wave that is an oscillation of matter and is responsible for the transfer of energy through a medium is called a mechanical wave. The distance of the wave's propagation is limited by the medium of transmission.
Or
A mechanical wave is a wave that is not capable of transmitting its energy through a vacuum. Mechanical waves require a medium in order to transport their energy from one location to another. A sound wave is an example of a mechanical wave.