* This desert can be found across the north of Africa?
* This desert can be found in northern China and Mongolia?
* Which of these is not a desert in South America?
* Which is the only continent with no major desert areas?
* There are 6 different kinds of deserts, low rainfall, cold deserts, salt deserts, artificially created deserts, toxic deserts and ________?
* Australia is the driest continent in the world. What percentage of the land surface is desert?
* Please choose what type of desert this is. Which desert type occurs when cities are built on fertile land, therefore preventing water getting into the soil and takes its fertility?
* Which of the following types of deserts occurs when rain washes away the soil?
* Finally what percentage of the world's surface on land is desert?
* A valley cut out by flash flooding?
* The lake where water runs off from the mountains into the centre of the desert?
* When a very small portion of the plateau or cap rock is isolated because of erosion from water?
* When a larger portion of the plateau or cap rock becomes isolated due to water erosion?
* When two or more alluvial fans are joined together?
* Fine particles ranging from .2mm to 2.0mm in diameter?
* A channel or gully that remains dry except for the wet season?
* A flat arid valley surrounded by mountains and draining into a shallow central lake?
* A barren, desolate area with a heavy water deficit?
* The Atacama Desert is classified as which type of desert?
* Which desert contains the world's longest expanse of unbroken sand?