GEOLOGY

Detailed explanation-1: -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 exists in the air as water vapor, in rivers and lakes, in icecaps and glaciers, in the ground as soil moisture and in aquifers, and even in you and your dog.

Detailed explanation-2: -Our freshwater is locked up in the Antarctic Ice Sheet. About 71% of the Earth is covered in water. Most of that is in oceans, rivers, and lakes, but some is frozen in the Earth’s two ice sheets.

Detailed explanation-3: -Although water covers 75 percent of the world’s surface, 97.5 percent of the earth’s water is salt water; of the remaining 2.5 percent, most is locked away as groundwater or in glaciers. All life depends on water.

Detailed explanation-4: -Fresh water makes up under 3% of all water on earth, and nearly 65% of this drinkable water is tied up in glaciers. Rivers, streams, lakes, and dams that hold freshwater contain 1% of potable water while groundwater accounts for 0.3%. Q.

Detailed explanation-5: -The ocean covers more than 70 percent of the surface of our planet.