Biology, 30.01.2020 20:58 nonispn606

When ann went to her doctor, he gave her a hearing test. during the test, the doctor presented tones to ann through earphones. the tones started at a low intensity and then became louder. after ann could hear the sound, the doctor asked ann to raise her hand whenever she heard the sound increase in volume. the doctor was testing ann's

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When ann went to her doctor, he gave her a hearing test. during the test, the doctor presented tones...

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