What is the best description of a mechanical wave?
A. A mechanical wave transfers energy through matter.
B. A mechanical wave transfers energy through empty
space.
C. A mechanical wave has many vibrations.

I think its A? im not completely sure though!!

Explanation:

a pan containing water is placed in a positio n where it is exposed to a 10 mile per hour wind. the pan contains a uniform depth of 1.27 cm of water, is quite wide, and has a length of 2.44 m in the wind direction. the water in the pan is at a constant temperature of 15.5 °c.