Oceans
Salt Water
For the most part, water is what is found on the Earths surface. This is because about 70 percent of the surface of the Earth is covered in water. The other 30 percent is made up of dirt, plants, grass and rock.
Most of the earths surface is covered with water. There is land under that water though, below the surface.
Because most of the water is salt water
water
Most of it is water, the rest is rock.
This source is ocean waters.
Within 8 to 12 KM of Earth's surface
Most of this water can be found in oceans, icecaps, lakes, rivers, or underground, there is also water in the air you breathe, in the plants around you, even in your own body.
Water is evaporated from oceans, seas, lakes, rivers.
It is running water
The energy from Sun is the most important.