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Dunes are large hills of sand regularly or irregularly spaced and tens to thousands of meters apart. They usually occur in deserts and are characterized by sand riding up and over the windward side and depositing on the leeward side. Antidunes are a specific case of dunes in which the particles accumulate on the windward side. They occur in fast moving streams, ocean bottom currents and throughout the amazing megadunes of East Antarctica.

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āˆ™ 11y ago
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Q: What is the difference between dunes and anti dunes?
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