Why do echo forms? Plz answer
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An echo works by initially producing sound, Essentially, a sound wave is just one particular moving pattern of fluctuations in air pressure.The changing air pressure of the sound wave pushes out surrounding air particles and then pulls them in.
An echo works by initially producing sound, Essentially, a sound wave is just one particular moving pattern of fluctuations in air pressure.The changing air pressure of the sound wave pushes out surrounding air particles and then pulls them in.
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