How much water is present on the earth’s surface?

71%

The correct answer is option 2. 71%.

About 71 percent of the Earth's surface is water-covered, and the oceans hold about 96.5 percent of all Earth's water. Water also resides in the earth as soil moisture and in aquifers, in the air as water vapor, in rivers, lakes, icecaps, and glaciers, as well as inside of you and your dog. Water is always moving.