Africa's biggest desert Sahara of Africa Its area is 9 million square kilometers. Deserts in Kalahari, Arizona and Arab countries are not even bigger. But know what the desert is, how it is made?

The main elements of the formation of the desert are mountains, plateau, sand, barren land etc. When the wind blows only on one side, there is no juice on the ground on a particular place. The air absorbs all. Which gradually turned into a desert.

In the vicinity of the equator, the desert is more commonly seen. In these regions, the sun-rays fall flat in all winter-season conditions. However, the equator may be far away from the equator. In that case the land will be far away from the sea. There will be high mountains.

In this case, the moisture or the clouds from the ocean can not rock any mountain. The desert created in this way is Gobi in Mongolia.

Rainfall is not more than 20 centimeters a year in the desert. The day is hot, and cold at night. In the desert there are dates of date, wheat, barley. The people walk around in different areas for water, and they live by livestock like sheep, sheep and goats.

The dates, palm trees and cactus grown in desert areas. They collect the necessary water from the air.