30%
About one third of the land surface of the earth is desert.
About 20% of the deserts are covered by sand. Others are covered by soil or rock.
about one fourth
28 %
Approximately 71% of the Earth is covered by oceans.
Roughly 75% of Earths Surface is covered by water. (including the Oceans, lakes and land Ice).
Approximately 30% of the Earth's surface is covered by land, the remaining 70% of the surface is covered by water.
Approximately 70% of earths surface is covered by the oceans.
About 1/3 (33%) of the land surface is covered by deserts.
Rougly between 1/5 and 1/6 of the surface is desert
Earth's surface is mainly covered by water, with approximately 71% of the planet's surface covered by oceans. Landmasses, including continents and islands, make up the remaining 29% of Earth's surface.
Warm, shallow seas covered much of Earth's surface during early Paleozoic time.