In what order were these three major communications breakthroughs invented?

In what order were these three major communications breakthroughs invented?

A. telegraph, telephone, radio
B. telephone, telegraph, radio
C. None of the answer choices apply.
D. telegraph, radio, telephone

A. of course

a

a

A. telegraph, telephone, radio

d

A...

D

A

I believe A is the correct answer

B

a

duh d yea yae d man d

a.

as added trivia, the first message sent across the ocean was

"what hath god wrought?"

Telegraph, Telephone,Radio
Telegraphy invented in the 1830's. Telephone invented by Graham bell in 1876. Electro magnetic waves first discovered by James Clerk Maxwell 1864. First radio invented by Marconi 1901.

Correct answer: A

Telegraph--Samuel Morse 1837
Telephone Alexander Grahm Bell 1876
Radio--(first development 1879) (sucessful
transmission 1920)

A
Samuel Morse invented the electric telegraph.He first demonstrated it in New York 1837
Alexander Graham Bell.Invented the telephone, and demonstrated in Edinburgh in 1876
Marconi invented the radio and it was used on Queen Victorias' behalf in 1899
It can be argued that these devices were already in existance.What can't be disputed is that these inventors,perfected them. So that they were a worth while discovery,for mankinds benefit

d