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30 April, 03:18

Alexander graham bell studied the human ear and noticed how sounds were transmitted when a membrane (the eardrum) vibrated. he applied this knowledge to the development of the telephone, using a similar process of vibration of a membrane. which cognitive process did bell demonstrate?

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  1. 30 April, 03:36
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    Alexander Graham Bell demonstrated the vibration of a membrane in the eardrum happens when sounds are transmitted. He demonstrated how one hears.
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