Fact 1: Matter vibrating can cause sound.

Fact 2: Words are only gross sounds heard through the ear.

Given the two facts above, answer the question "What can be heard through the ear?" with the following options: 
- matter vibrating
 - encoded information
 - mean thoughts
 - absence of noise
 - ear drums
 - in the frog family
 - electromagnetic energy
 - the body's largest organ


 

 matter vibrating        