Question

Which part of electromagnetic spectrum is used in telecommunication?​

Answer 1

Answer:

Because of the problems with very low and very high frequencies, we primarily use the middle of the electromagnetic spectrum for communication—the radio, microwave, infrared, and visible light portions of the spectrum.

Answer 2

Answer:

Because of the problems with very low and very high frequencies, we primarily use the middle of the electromagnetic spectrum for communication—the radio, microwave, infrared, and visible light portions of the spectrum.

Explanation:

make me as brainlist