Question

telegraph. C. He invented the telephone. D. He proved that steam could power machines. (3 pt) How did Samuel Morse revolutionize communication in the 1800s? A. He developed alternating current. B. He invented the electric telegraph. C. He invented the telephone. D. He proved that steam could power machines.

Answer 1

The answer is B, he invented the electric telegraph.  He never dealt with steam power, ruling out D as an option, the telephone would not be invented for some time, and not in his lifetime, ruling out C.  Finally, Nikolai Tesla invented Alternating Current, ruling out A.  I hope this helps, have a nice day! :)