Yes it is
Salt Water
Because most of the water is salt water
Most of the earths surface is covered with water. There is land under that water though, below the surface.
Most of it is water, the rest is rock.
This source is ocean waters.
water
Water is evaporated from oceans, seas, lakes, rivers.
It is summer when the sun is heating earths surface the most.
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.
liquid
earth is 75% water and about 16% of earth surface is Uninhabitable (desert)
Liquid water is the most common state of water on Earth's surface, covering about 71% of the planet's surface in the form of oceans, seas, lakes, and rivers.