The very first step in solving the problem is to dine it and research its nature. Since the problem is already described in the given question, the next thing that he would do would be that he must make an outline of the key concepts and information he gathered to better organise in the process.
Answer:
Sand dunes are created when wind deposits sand on top of each other until a small mound starts to form. ... As these dunes collapse they move in the same direction as the wind, and if there is no wind moving in the opposite direction or any obstacles in its path, barchan dunes are formed
Answer:
my slow self just gone put any answer
Explanation: