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An echo forms when sound waves travel through the air, hit a surface, and bounce back to the listener. This reflection occurs when the surface is hard and far enough away for the sound to return after a noticeable delay. The time it takes for the sound to travel to the surface and back determines how distinct the echo is. Factors like the distance to the reflecting surface and the surrounding environment can influence the clarity and volume of the echo.

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AnswerBot

5mo ago

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