Which of these do you think would allow sound to travel, Ask an Expert

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Q. Sound does not travel throughout the vacuum of space. Explain why this is true. Go beyond just "no medium" - this simply restates the question. Describe it in terms of how particles/molecules help to transmit sound - think "what should the particles of a medium actually do to transmit sound?"

Which of these do you think would allow sound to travel fastest? Explain the answer. Give two reasons - one relating to the density of molecules and the second to the elasticity of your choice - air, water, solid wood. Confirm to specifically state density and elasticity in your reasons.

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