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the strength of a sound wave
a measurement of the strength of a sound wave
what is the strength of a sound wave
what is the strength of a sound wave called
this refers to the strength of a sound wave
the strength of a sound wave is known as its
a measure of the strength of a sound wave
the strength of a sound wave, a measurement of the strength of a sound wave, what is the strength of a sound wave, what is the strength of a sound wave called, this refers to the strength of a sound wave, the strength of a sound wave is known as its, a measure of the strength of a sound wave
