What do you mean "dirty"? A vanishingly small trace of all water on Earth is chemically pure; even water that's naturally clean enough to drink (some springs, rainfall) has trace amounts of contaminants in it. By that standard, 100% of Earth's water is "dirty".
Type your answer here... 1 percent water 2 percent ice
Salt water (in the form of oceans, seas and straits).
Approximately 67.8% of earth's surface is covered by salt water while only 3% is covered by fresh water. In total, the earth's surface is covered by 70.8% of water.
It's the mantel.
The mantle.
3percent
Salt water
75 percent of earth is water. 3 percent of that is fresh water.
3%
three percent of all the earths water is fresh water
2
the earths surface is 70% covered by water
Water covers about 70 percent of the Earth's surface.
I think about 97%
atlanctic
97%
75%