This is known as groundwater.
Most of the earths surface is covered with water. There is land under that water though, below the surface.
it is water cycle
70% or 80% of water covers the earths surface
it will over flood the earths surface with melt water of the ice berg and detroy land under sea level
3/4 of the earth's surface is water.
69%
about 30%
the sun
Water.
Ground water.
the water cycle
71.13% of the earth is covered by water. Only 3% of that water is fresh water, the rest is salt water.