What causes sound waves to travel through different mediums at different speeds?

Sound waves need to travel through a medium such as solids, liquids and gases. The sound waves move through each of these mediums by vibrating the molecules in the matter. The molecules in solids are packed very tightly. ... This enables sound to travel much faster through a solid than a gas.

Explanation:

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a adaptation is when organism changes itself to fit the environment

ex. when its cold outside i wear a jacket

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