Question

Marconi expanded on Morse's invention of the telegraph but he also changed media forever by _____.

using the wireless telegraph to transmit sound in 1907
reducing the cost of building transatlantic telegraph wires
using Morse's telegraph to transmit the letter "S" across the Atlantic Ocean
turning radio into a business venture, which paved the way for the corporate media we know today

Answer 1

anyone think its the bottom one

Answer 2

its the first one

Answer 3

thanks

Answer 4

no problem

Answer 5

ill probably be back real quick with another qeustion

Answer 6

alright