请以撒哈拉沙漠为题写一篇英语作文80词左右.

The sunniest places in the world,but also the world's largest and most natural conditions harsh desert.
The Sahara desert is the biggest desert in the world,which accounts for almost all Africa north,accounted for 1/4 of the total area of the delta.The desert east 4800 kilometres (3000 miles) north and south,in the 1300 km to 1900 km (800 to 1200 miles),a total area of about 9065000 square kilometers.The Sahara desert,the Atlantic ocean to the west,North Atlas mountains and the Mediterranean Sea,the Red Sea south to East,the Sahel Desert Transition Zone -- 1.5 dry grassland.
The Sahara is the biggest desert in the world except Antarctica desert,located in the northern Africa north to the Mediterranean,South to the Sultan grassland.Extremely harsh climatic conditions,is the most suitable one for biological growth place not.Arabic sub meaning "big desert".In Atlas mountains and the Mediterranean Sea to the South (about 35 degrees north latitude line),about 14 degrees north latitude line (250 mm isohyet) to the north,the west coast of the Atlantic,east to the red sea.Across the north of the continent Africa,things for 5600 kilometers,about 1600 kilometers wide north-south,a total area of about 9065000 square kilometers,accounting for about 32% of the total area Africa.The USA native loaded into,the name "Sahara" is derived from the Arabic ا ل ص ح ر ا ء is blurred,from the local nomads TUA Lei language is introduced,in which language is "desert".The desert formed about two million five hundred thousand yea