The major part of the Sahara desert is made up of ____________.
shifting sand dunes
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Correct option is A)
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 Sahara is mainly rocky hamada, ergs form only a minor part, but many of the dunes are over 180 meters high. Wind or rare rainfall 0, and salt flats. Unusual landforms include the Richat Structure in Mauritania.