Telecommunications signals can travel through air using ____.
A) radio waves
B) light
C) both a. and b.
D) neither a. nor b.

Name: Telecommunications signals can travel through air using ____. A) radio waves B) light C) both a. and b. D) neither a. nor b.
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Question

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Telecommunications signals can travel through air using both radio waves and light, such as in radio communications and fiber-optic communications, respectively.

Telecommunications Signals Can Travel Through Air Using ____