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ARC-Easy / TIMSS_1995_8_L7 / The crews of two boats at sea can communicate with each other by shouting. Why…

Problem

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question

The crews of two boats at sea can communicate with each other by shouting. Why is it impossible for the crews of two spaceships a similar distance apart in space to do this?

choices

  • The sound is reflected more in space.
  • The pressure is too high inside the spaceships.
  • The spaceships are traveling faster than sound.
  • There is no air in space for the sound to travel through.

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Official source

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