How are desert formed
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Answer :
A desert is a barren area of landscape where little precipitation occurs and, consequently, living conditions are hostile for plant and animal life. The lack of vegetation exposes the unprotected surface of the ground to the processes of denudation. About one-third of the land surface of the world is arid or semi-arid. This includes much of the polar regions where little precipitation occurs and which are sometimes called polar deserts or "cold deserts". Deserts can be classified by the amount of precipitation that falls, by the temperature that prevails, by the causes of desertification or by their geographical location.
Desert areas are characterised by low rainfall, scanty vegetation and extreme temperatures. Depending on the temperatures, there can be hot deserts or cold deserts. The Sahara desert is the hottest and the world’s largest desert. Ladakh is a cold desert that lies in the Great Himalayas, on the eastern side of Jammu and Kashmir.