★ Hearing Impairment Quiz
What is the function of the ridges on your outer ear?
A. They prevent germs from entering your middle ear.
B. They direct sound into your middle ear.
C. They prevent loud noises from damaging your inner ear.
D. They filter out very high and low-frequency sounds.
Select your answer:
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B. we don’t need them at all
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These foods contain of protein
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