Hot region where aridity (less than 4 in of annual rainfall) is such that plant and animal life is almost nonexistent.
Lake characterized by high salt content due to considerable water evaporation and the concentration of dissolved mineral salts.
Desert zone made fertile by the presence of underground or surface water.
Zone where palm trees are planted.
Often dry watercourse that is subject to sudden flooding in the event of rain.
Isolated plateau with a flat summit and very steep sides; it features a layer of rock that is resistant to erosion.
Most common type of desert, where rock fragments fracture due to temperature variations between night and day.
Desert where minuscule grains of rock (sand) form dunes by wind action.
Tapering pointed column of rock shaped by the wind.
Rocky hill shaped by erosion, with steep sides and a flat summit; it is smaller in area than a mesa.