Desert+2+Geographer

GEOGRAPHER Scientists have discovered that deserts used to be lands where water and grassland ruled. Some major deserts can be found in north america;mainly the Sonoran,Chihuahua,Mojave, and the great basin. The largest desert in the world,the Sahora in africa,3.5 million square miles. South america has deserts in Patagona and Argentina. Most of the Arabian Peninsula is covered in desert.