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cuveges cuveges
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6 years ago
Heinrich Hertz:
 
  a. experimented with radio waves, which became known as Hertzian waves.
  b. promoted advertising on the radio..
  c. built the first wireless TV.
  d. sent the first message by telegraph.
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JR251203JR251203
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cuveges Author
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6 years ago
Brilliant ツ
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This calls for a celebration Person Raising Both Hands in Celebration
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You make an excellent tutor!
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