6 Which statement best describes how humans hear sound?
A Sound waves enter the ear canal and increase in amplitude, which causes you to
hear the sound
B Sound waves cause parts of the car to vibrate until the waves are converted to
electrical signals, which are sent to the brain.
C Sound waves travel into people's ears, and the eardrum sends the sound waves
to the brain
D Sound waves become sounds when they strike the cardrum inside the car,