Ground water.
Runoff is the water flowing downhill across the surface of the Earth.
it is water cycle
Runoff
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70% or 80% of water covers the earths surface
Water which moves over the earths surface after having precipitated (rain, snow, etc) is known as runoff. Most rivers get the majority of their water from precipitation runoff.
runoff
No, it is called ground water.
3/4 of the earth's surface is water.
69%
Their are a bunch of different features including: Mountains, bodies of water, valleys, and volcanoes.
about 30%