Exam-style question
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How do hearing aids improve hearing?.
- A.By amplifying sound waves
- B.By converting sound into electrical signals
- C.By directly stimulating the cochlea
- D.By bypassing the eardrum
Model answer
What a good answer should say
- By amplifying sound waves
Explanation
Why this works
Hearing aids amplify sound waves, making them easier for the ear to detect, which helps individuals with hearing loss.
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