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22. Sound waves can't travel through A. a solid. B. a vacuum. C. an elastic material. D. a liquid.
Sound waves cannot travel through a vacuum.
wedekind|Points 1437|
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Asked 9/19/2012 4:06:26 PM
Updated 243 days ago|1/20/2018 8:18:58 PM
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Edited by yumdrea [1/20/2018 8:18:56 PM]
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