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The telegraph transmitted message through _______________________.

water, using a system of canals


wires, using a system of clicks and pauses


air, using a highly developed radio


telephone lines, using cable technology

asked
User Etam
by
7.7k points

1 Answer

3 votes

Answer:

Wires. Telegraphs worked by using clicks and pauses.

answered
User Rawan Lezzeik
by
8.3k points
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