Deserts on Earth are formed due to the change of climate. Deserts are formed after hundreds of years as a result of the action of many natural events like high pressure areas, cold ocean water currents etc.
There are four types of deserts found around the world: subtropical deserts, coastal deserts, cold deserts, and polar deserts. One fifth of the Earth's surface is desert. They are found in Asia, Australia, Africa, North America and South America.
You must have heard the name of Sahara desert. It is the largest hot desert in the world. Actually, the name Sahara is derived from the Arabic word for desert 'Sahara', which means desert. North Africa is completely covered by this desert, while a small part of it also falls in the continent of Asia.
The Sahara or the Great Sahara Desert is the hottest desert in the world. This desert is spread over an area of 90,00,000 square kilometers, which is almost equal to the area of the United States.
The Sahara is the largest hot desert in the world. Which is 5600 km from the Atlantic Ocean to the Red Sea in the northern part of Africa. The length of and from the Mediterranean Sea to Niger, Chad, Sudan is 1300 km. spread across the width of
If the cold desert is also included in this, then in terms of area, the Antarctic desert (13,829,430 sq. km.) and the Arctic desert (13,726,937) will be in the first and second place respectively, while the Sahara desert will come in the third place.
The Thar desert is called the richest desert in the world because the Thar desert has the largest population among all the deserts of the world. The highest population density in this desert is 40 percent population, animal density, rainfall, mineral diversity, vegetation, agriculture, means of irrigation, the greatest biodiversity is found.
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Sand is a good absorber of heat which heats up by absorbing the sun's heat during the day and cools down during the night by losing more heat by radiation. Due to which the desert remains hot during the day and cold at night.