between 15 and 20 percent
About 33% of the earth's land surface is covered by deserts.
About 1/3 (33%) of the land surface is covered by deserts.
No, the desert covers a relatively small percentage of the total surface of the earth
About one third of the earth's land surface is covered by deserts.
About 33% of the earth's land surface is covered by deserts. That's 1/3 of the surface.
About 20% of the deserts are covered by sand. Others are covered by soil or rock.
About 1/3 (33%) of the land surface of earth is desert.
Deserts cover 33% (one third) of the earth's land surface is covered by deserts.
Deserts account for 33-35% of the earth's land surface.
although it is one of the biggest deserts, antarctica holds 90% of the worlds ice!
Deserts cover about 33% of the earth's land surface.
Deserts cover 33% of the land surface on earth.