Name the tropical deserts of Africa. What similar features of natural conditions do they have?

The Libyan Desert is located on the territory of Libya. Perhaps the most popular desert is the Sahara, located in the north of the African continent, and also washed by the Atlantic Ocean and the Red Sea. Another large desert in Africa is the Nubian Desert, located east of the Sahara. Kalahari is located in the southern part of the African continent, in the countries of Namibia, South Africa and Botswana. And their common features are that all deserts are distinguished by very high temperatures during the day, a sharp drop in temperature at night and a very dry climate, there is practically no moisture here.