Chemistry, 22.07.2019 18:30 groundcontrol
What do am radio, fm radio, television, and cell phones have in common? a)they were all invented in the same year. b)they were all invented by the same scientist. c)they all use specific frequencies of radio waves to which electronic signals are encoded. if you can answer this than that would be plus u gonna gain some points for doing this you.
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What do am radio, fm radio, television, and cell phones have in common? a)they were all invented in...
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