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How Sound Travels Sounds are carried by vibrating particles. Sounds can travel through: 1.Gases ( air in the room ) 2.Liquids ( water in a swimming pool. - ppt download
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adc adscope 601 convertible cardiology stethoscope with tunable afd technology, adult diaphragm and adult bell or pediatric diaphragm, 28 inch length, metallic ceil blue - Walmart.com
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