Desert is a very dry, rainy region and most of the region is covered with sand sand. Very useful for desert living. The difference between desert day and night temperature is very high. During the day the temperature increases a lot, the temperature drops much at night. Once the desert had large stones. Due to these massive variations of temperature between day and night, these stones continue to contract and spread every day and cracks arise. If this process continues for millions of years, large stone squads break into Kerema and split into smaller parts and grow sand. Sahara Desert is the world's largest desert region. The dry river in the desert says that the playa. The mirage is seen in the desert, which often leaves the traveler confused. The desert climate is very rugged because there is no existence of normal plants. Some thorns and bushes are afflicted by hardships. Shikar tree of these trees can get very low water and collect water.