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…showed last 75 words of 1291 total…silt particles is being deposited the slipface will have more of a stright drop to it. sometimes a dune will migrate by wind piling sand up so high on the one side that it slides down the other and begins to pile up again. dunes may even sometimes over take cities buiklt close to a dester. Dont be miss-led though, wind doesnt only effect sand, it efects water also. Wind on water will create waves.