Answer :


you can use water, rocks and cement to prevent sand dunes from moving

hope this helps

IwAsSoMeGuY
Sand dunes move because of wind, so to prevent a sand dune from moving you need to either: stop the wind; or stop the sand dune from being able to move. For example, on beaches, sand is stopped from moving by using groynes, which physically stop the sand from being carried any further along the beach

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