EXPLAIN THE FORMATION OF A SAND DUNES ?​

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. ... A dunes windward side is the side where the wind is blowing and pushing material up. A dunes slip face is simply the side without wind.

hope it helps uh..

answer; ///biological psychologists;

answer; exaggerate what you believe is the deception and state it, hoping that the other will jump in to "correct" the statement;