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ASVAB Science and Tech Practice Questions

Category - Technology/Engineering

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Information produced by technological devices can travel through optical fiber, air, and space. Which of the following statements describes what these media have in common?
  1. Information travels through these media at the same speed.
  2. Information travels through these media at a single frequency.
  3. Information travels through these media using mechanical waves.
  4. Information travels through these media using electromagnetic waves.
Explanation
Answer: D - Information travels through these media using electromagnetic waves.
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