Most of the earth's water (98%) is in the seas and oceans, and they are all salt. Of the remaining 2%, most of it (1.5%) is frozen in the Arctic and Antarctic.
It is more correct to say that water is on the earth. Though the surface of the earth is mostly covererd with water, the operative word is "covered." The water covers most of the earth's surface, so...
About 3 percent (2.75%) of the total water on Earth is fresh water, and as much as 75% of that is locked up as ice in glaciers and polar caps. Most of the rest is ground water. The water vapor in the...