Question

what is sand dunes ?​

Answer 1

Answer:

A dune is a landform, and is a large mass of wind-blown sand. Dunes are most common in deserted environments, such as the Sahara, and also near beaches. An area with dunes is called a dune system. The dynamic action of wind and water can sometimes causes the dunes to drift, which can have serious consequences.

Answer 2

Answer:

sand dunes are type of tornado occurs in desert or any sandy place :)