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Sound waves will travel the fastest in a medium that is ____.
The most dense
The least dense
The most electrically conductive
The least electrically conductive
Detailed Explanation
The speed of sound is directly proportional to the density of the material through which it travels, with the speed being faster in more dense materials. For example, the speed of sound in air is 343 m/s, but the speed of sound in water, a more dense substance, is 1,463 m/s.
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