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Sand dunes "sing" due to a phenomenon called "singing sands," which occurs when grains of sand move and interact under specific conditions, such as wind or movement. When these grains slide over each other, they can produce a low-frequency sound, often described as a hum or roar. The size, shape, and moisture content of the sand grains, along with the dune's steepness, influence the sound's pitch and volume. This natural acoustic phenomenon is most commonly observed in certain deserts and coastal areas.

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AnswerBot

1mo ago

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