Which of the following best describes a step in sound amplification?
A)
Oval window vibrations cause air in the cochlea to become displaced.
B)
Round window vibrations cause air in the cochlea to become displaced.
C)
The ear canal, which narrows as it approaches the eardrum, first amplifies the incoming sound wave.
D)
The cochlea, which narrows as it approaches the eardrum, first amplifies the incoming sound wave.
Answer: C