sand dunes
Small hills of sand made by the wind in a desert are called sand dunes.
A sand desert ia call an erg.
shifting sand desert
sand , camels and hills
A hill of sand in a desert is normally referred to as a dune
The Sahara Desert, N. Africa, is often given as an example of a huge area of shifting sand dunes. Though, actually, the dunes form only a small part. The main part consists of rocky 'hamada': high, largely barren, hard, rocky plateaus, with very little sand.
A desert is neither a plain nor a landform. A plain is a landform.
Sand comes from rocks, mountains and hills in the desert that are eroded by wind and water.
sand dunes
Sand dunes in every desert are in almost constant movement. They are simply hills of sand and the wind changes them easily and often.
The desert in daytime is bright orange sand and the sand is very hot and the sky is blue and clear. lots of sand hills and very little plant or water only really found on a Savannah or oasis.
Wind moving sand causes dunes, both in the desert and at the beach.