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Sound waves are actually a vibration. When an object vibrates, like a guitar string, it vibrates the air around it. These vibrations travel through the air to the eardrum. Look here
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Sound waves travel through air just like water waves travel through water. When something or someone makes a noise, the noise makes some form of vibration, which then travels through
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The speed of sound depends on many things such as the temperature and pressure of air that it is moving through. Humidity also plays a role. In dry air at 68 degrees Fahrenheit and
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It travels approxamately 660 mph or miles per hour it also depends on depth though. F.
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