They are created by the winds that originate from different directions. The higher ones might be affected by one wind current while lower ones may be affected in other ways.
The force of winds shapes sand dunes.
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Sand dunes have a million shapes and even change as you look at them.
The whole beach or whatever it was on would be totally flat. Wind is what shapes sand dunes. Without it, they just would not exist.
Both form weather dune is has sand delta water
By being a badass like: 'Robbie Cleave'
Fore dunes and back dunes but mostly fore dunes.
Huge piles of sand are called sand dunes. Sand dunes typically form in deserts or coastal areas where there are strong winds that shape and move the sand into these large structures.
Sand dunes in the desert are typically caused by the wind carrying and depositing sand particles. As the wind moves across the desert, it picks up loose sand grains and deposits them into dunes over time. The process of erosion and deposition continuously shapes and reshapes the dunes in response to the prevailing wind patterns.
They were both formed by wind erosion.
"In physical geography, a dune is a hill of loose sand built by aeolian processes (wind) or the flow of water.[1] Dunes occur in different shapes and sizes, formed by interaction with the flow of air or water"-Wikipedia
There are only two sand dunes in Michigan. The two sand dunes are Sleeping Bear Dunes and Sliver lake sand dunes.