Physics, 07.02.2021 14:20 dazesreplayy7580

Need help ASAP Thanks + BRAINLIST only for correct answer

1.Cell phones convert sound waves intowaves.
-light waves
-sound waves
-radio waves

2.Electromagnetic waves used in cell phone communications are called?
-microwave
-radio wave
-infrared
-all of the above

3.To send out a radio signal far and wide...it is called?
-broadcast
-casting
-antenna

Answers: 3

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