Fact 1: Matter vibrating can cause sound.

Fact 2: Sound Sound waves are mechanical waves.

Given the two facts above, answer the question "What can vibrating matter cause?" with the following options: 
- electromagnetic energy
 - Relieve pain
 - nothing
 - loss of matter
 - destruction of matter
 - mechanical waves
 - Electrical energy
 - kinetic energy


 

      mechanical waves   