Which Scottish-born inventor opened a school to train teachers of the deaf in Boston and later built a device to transmit the human voice through a wire? A. Andrew Carnegie B. Henry Ford C. Gustav Eiffel D. Alexander Graham Bell



Answer :

D. Alexander Graham Bell

Gustav Eiffel was born in France and Henry Ford was born in the United States, so B and C are not the correct answers. Andrew Carnegie was an industrialist, not an inventor and Alexander Graham Bell did  invent the first practical telephone, so he is the correct answer.

Answer:

Alexander gram bell

Explanation: