Imagine a landscape made almost entirely of sand. A sand dune is a deposit of wind-blown sand.
Sand dune.
Wind carrying sand grains deposits the sand when the wind slows down or hits an obstacle.
When the wind starts to slow down it starts to deposit sand or other sediment.
Wind carrying sand grains deposits the sand when the wind slows down or hits an obstacle.
When the wind starts to slow down it starts to deposit sand or other sediment.
ripples
Wind erosion is the deposit of sand, dust, or soil into another place.
sand dune: A deposit of windblown sand.
Sand dunes are formed by wind .
Sand is heavier than air, so it won't remain in the air forever.
wind