Answer;
86 percent;
Explanation;
-An estimate 86 percent of the earth's evaporation occurs over oceans.
-Solar energy from the sun causes natural evaporation of water on Earth. Of all the water that evaporates into the atmosphere as water vapor, 86 percent comes from oceans, while 14 percent comes from land.
Water covers approximately 71%of Earth's surface. Earth's oceans posses ninety-seven percent of Earth's waters.