Groundwater is water that collects and flows beneath the Earth'surface, filling spaces in soil, sediment and rocks. The upper surface of groundwater is the water table
Runoff is the water flowing downhill across the surface of the Earth.
it is water cycle
70% or 80% of water covers the earths surface
Wind and water and frozen water are the main contributors to the weathering and erosion of the surface of the Earth. Along with gravity, these agents wear down elevated surface features and fill in depressed surface features.
Wind and water and frozen water are the main contributors to the weathering and erosion of the surface of the Earth. Along with gravity, these agents wear down elevated surface features and fill in depressed surface features.
3/4 of the earth's surface is water.
69%
about 30%
the sun
Water.
Ground water.
the water cycle