What earlier experience influenced Alexander Graham Bell's inventions of the microphone and telephone?
A) going deaf at the age of 8
B) training teachers who worked with deaf persons
C) working in the auditory wing of a hospital
D) growing up with deaf grandparents

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The Answer of What earlier experience influenced Alexander Graham Bell's inventions of the microphone and telephone?
A) going deaf at the age of 8
B) training teachers who worked with deaf persons
C) working in the auditory wing of a hospital
D) growing up with deaf grandparents

What Earlier Experience Influenced Alexander Graham Bell's Inventions of the Microphone