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Which statement about the effects of medium on the speed of a mechanical wave is true?

A. Medium has no effect on the speed of a mechanical wave.
B. A mechanical wave generally travels faster in solids than liquids.
C. A mechanical wave generally travels faster in gases than liquids.
D. A mechanical wave always travels through liquids at the speed of light.

User Idealmind
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C. A mechanical wave generally travels faster in gases than liquids.

User Pof
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