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Many household products we consider necessary today such as AM and FM radios, televisions, wireless networks, cordless and cellular telephones, remote-controlled toys, and GPS receivers use ____ to transmit information to humans all over the world.

2 Answers

3 votes
They use what is in physics called "Radio waves" ;)
User Mevia
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3 votes
I want to say frequencies would be the answer. I could be wrong though. Hope this may have helped!
User Jongwon
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