runoff
Runoff
30%
it is the water cycle
It can change
water
Runoff
Runoff is the water flowing downhill across the surface of the Earth.
Runoff
it is water cycle
70% or 80% of water covers the earths surface
3/4 of the earth's surface is water.
Indian Ocean covers 20% of water on the earths surface.
69%
about 30%
the sun
Water.
the water cycle