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Chemistry, 17.02.2021 21:00 debry

A boy sets up a picnic on the beach next to a sand dune. How are sand dunes formed? A. erosion and deposition
B. weathering and erosion
C. tectonic plates
D. precipitation​

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A boy sets up a picnic on the beach next to a sand dune. How are sand dunes formed? A. erosion and...
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