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Sound wave moves away from the source and vibrates back and forth.​

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Leonazeta2010viz

Answer:

Sound waves are called longitudinal waves because the particles move back and forth in the direction of the wave movement. A transverse wave is like a wave on the sea in which the particles of water move vertically and not in the direction of the wave itself. ... Sound needs a medium in which to travel.

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DREADFULLAWNSER07viz

Answer:True,But mostly sound waves travel fast and it spreads

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