Most of it is sea water, some of it is ice.
Approximately 97% of the Earth's surface is covered by salt water.
Water makes up about seventy five percent of the Earth's surface.
The all the water on Earth's surface is known as the hydrosphere. This includes water in oceans, rivers, lakes, and ice caps.
Approximately 69%
70% of the Earth's surface is covered by water, with the majority of it being in the form of oceans. The remaining 30% is land.
Because most of the water is salt water
it is water cycle
70% or 80% of water covers the earths surface
Freshwater is probably 5 ~ 10 % The Great Lakes is the largest freshwater body.
3/4 of the earth's surface is water.
69%
about 30%
the sun
Water.
Ground water.
the water cycle
earth is 75% water and about 16% of earth surface is Uninhabitable (desert)