Fact 1: Plucking a string can cause that string to vibrate.

Fact 2: For example, sound is a wave of vibrating air.

Given the two facts above, answer the question "What results from plucking a string?" with the following options: 
- light waves
 - sound waves
 - guitar
 - friction
 - chemical changes
 - kinetic energy
 - mechanical
 - violinist


 

  sound waves       