what is compression and rarefaction of sound
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Waves are made up of compressions and rarefactions. Compression happens when molecules are forced, or pressed, together. Rarefaction is just the opposite, it occurs when molecules are given extra space and allowed to expand. ... In places like space, where there is no atmosphere, there is no sound.
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Waves are made up of compressions and rarefactions. Compression happens when molecules are forced, or pressed, together. Rarefaction is just the opposite, it occurs when molecules are given extra space and allowed to expand. ... In places like space, where there is no atmosphere, there is no sound.
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