Answer :
Final answer:
Alexander Graham Bell and Thomas Edison made significant contributions to American innovation in the late 19th century. Bell invented the telephone, while Edison invented the practical incandescent light bulb, both of which had far-reaching impacts on communication and lighting.
Explanation:
Alexander Graham Bell
Alexander Graham Bell was an inventor and scientist who is best known for inventing the telephone. His innovation revolutionized communication by transmitting human speech over long distances using electrical signals. This contribution paved the way for the modern telecommunications industry.
Thomas Edison
Thomas Edison was a prolific inventor and businessman who greatly influenced American innovation in the late 19th century. His most significant contribution was the invention of the practical incandescent light bulb. Edison's invention brought about a major transformation in the way people lit their homes and cities, leading to the expansion of industries and changing the daily lives of millions.
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