Physics, 27.10.2020 07:30 juliopejfuhrf7336

PLZZZ HELP!! Which two options are reasons that electromagnetic waves can be used effectively in communication devices?

A. The speed at which they carry information can be varied

B. They require no wires to carry information

C. Any type of electromagnetic wave can be used for communication

D. They can travel through either air or other types of matter

Answers: 1

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PLZZZ HELP!! Which two options are reasons that electromagnetic waves can be used effectively in co...