What is Sand dunes?what is sand dunes
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Answer:
A dune is a mound of sand formed by the wind, usually along the beach or in a desert. Dunes form when wind blows sand into a sheltered area behind an obstacle. Dunes grow as grains of sand accumulate.
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The Dunes are an accumulation of sand grains that take the shape of a ridge or sometimes a mound due to the wind subjected to the influence of gravity. Dunes are located in areas like abandoned or eroded farms in a semi-arid region or on beaches, deserts, or wherever loose sand is windblown.
As We know that, Sand dunes are a low hill-like shape formed by means of the deposition of sand in the deserts. While the wind blows, it lifts and transports sand from one place to another. While it stops blowing, the sand falls and gets deposited in low hill-like systems. These are referred to as sand dunes. They're commonly discovered in deserts.
★ A sand dune is a mount, hill or ridge of sand that lies behind the part of the beach tormented by tides. They're fashioned over many years while windblown sand is trapped by means of beach grass or different desk bound gadgets.
★ Sand dunes are created while wind deposits sand on top of every different till a small mound begins to form. Once that first mound bureaucracy, sand piles up on the windward facet increasingly until the edge of the dune collapses under its personal weight. As more barchan dunes are fashioned, they could move collectively and line up.