Sound versus space
Very simply, sound is the vibration of any substance. The substance can be air, water, wood, or any other material, and in fact the only place in which sound cannot travel is a vacuum. When these substances vibrate, or rapidly move back and forth, they produce sound. As described in the How We Perceive Sound: The Ear section, our ears gather these vibrations and allow us to interpret them.To be a little more accurate in our definition of sound, however, we must realize that the vibrations that produce sound are not the result of an entire volume moving back and forth at once. If that were the case, the entire atmosphere would need to shift for any sound to be made at all! Instead, the vibrations occur among the individual molecules of the substance, and the vibrations move through the substance in sound waves. As sound waves trav
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Some common words found in the essay are:
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Approximate Word count = 565
Approximate Pages = 2 (250 words per page double spaced)
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