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ARC-Challenge / Mercury_7081480 / Sound is able to travel faster in solids than in air because the molecules in a…

Problem

Answer published by the source. Consult the official source to check your work against its answer.

question

Sound is able to travel faster in solids than in air because the molecules in a solid are

choices

  • closer together than air molecules.
  • more easily moved than air molecules.
  • moving faster than air molecules.
  • larger than air molecules.

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Source and history

Official source

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