mostly water. There are some continents on there too though i believe.
No the crust covers earths surface
70% or 80% of water covers the earths surface
the atmosphere
Water covers 71% of the Earth's surface
Land covers about 30% of the Earth's surface, with the remaining 70% being covered by water bodies such as oceans and seas. Land consists of continents, islands, and other landmasses where humans and terrestrial organisms live and thrive.
deserts
a lot
marine
Indian Ocean covers 20% of water on the earths surface.
it covers up about 68.47 million % of the earths surface
All land combined covers about 30% of Earth's surface.
Asia's land covers about 17,176,102 square miles. :)