INTERNAL
-MIDDLE
EUSTACHIAN
EXTERNAL
EARDRUM TUBE
Which topic does this illustration help show?
A)
how the human ear works
B)
the structure of the ear
C)
how to reduce direct noise
D)
the process of sound vibrations

INTERNAL MIDDLE EUSTACHIAN EXTERNAL EARDRUM TUBE Which topic does this illustration help show A how the human ear works B the structure of the ear C how to redu class=