Physics, 27.10.2020 07:30 kavron2322

HELP ASAP! Will make BRAINLEST 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.

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HELP ASAP! Will make BRAINLEST Which two options are reasons that electromagnetic waves can be used...