one - fifth
About one-third of the earth's land surface is desert.
Deserts account for 33-35% of the earth's land surface.
All the earth's land surface has been discovered. There are parts that are virtually unexplored, however.
The South Pole, which is located in Antarctica, is a desert. The North Pole is not located on a continent but on sea ice so cannot be considered as a desert. Continental lands that do surround the Arctic would be considered as tundra.
The roots that lie beneath the saguaro's surface soak up as much as 200 gallons of water -- enough to last a year. This is what sustains the saguaro in the dry desert environment.
About one third of the land surface of the earth is desert.
Deserts make up 33% of the Land's surface
33% of the land surface of the earth is desert.
About one-third of the earth's land surface is desert.
About 20% of the deserts are covered by sand. Others are covered by soil or rock.
Rougly between 1/5 and 1/6 of the surface is desert
about one fourth
Desert makes up about one fifth of all land on earth, around 20%. In total, the land makes up about 29% of the Earths surface, with the remainder being oceans and seas. The total desert coverage of the earth is therefore around 20% of 29%, or around 6%.
About 33% of the land surface of the earth is desert.
Fully one third of the earth's land surface is cover by desert.
About 33% of the earth's land surface is covered by deserts. That's 1/3 of the surface.
Deserts cover 33% of the land surface of the earth.