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Chemistry, 11.11.2020 22:00 TH3L0N3W0LF

If infrared waves can move information through air, what is the advantage of sending their signals through networks of cables? 
A.
Cables are easy to maintain.

B.
Cables transmit infrared waves over longer distances.

C.
The denser the medium, the faster the wave.

D.
These waves need to travel only short distances.

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