explain what is a medium for sound waves
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explain what is a medium for sound waves
what is a medium for waves
what is a medium in sound
medium for sound waves
sound waves require a medium
why do sound waves need a medium
medium meaning in sound
explain what is a medium for sound waves, what is a medium for waves, what is a medium in sound, medium for sound waves, sound waves require a medium, why do sound waves need a medium, medium meaning in sound