GENERAL KNOWLEDGE

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.

Detailed explanation-2: -About 70% of the Earth’s surface is covered with water.

Detailed explanation-3: -The surface of the Earth is about 71% water and the remaining 29% is land. The vast majority of water on the Earth’s surface is saline water in the oceans.

Detailed explanation-4: -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.