people with hearing loss caused by loud sounds can hear normally again if they wear a hearing aid. a) I know this is true b) I think this is true c) I'm not sure d) I think this is false e) I know this is false
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Answer:
a)i know this is true
Explanation:
the battery operated hear aid consists of a microphone that collects the sound and these sound waves are converted into electrical signals and these signals are amplified by an amplifier followed by a speaker that emits these signals and helps the user to hear
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