Question

What percent of the earth is covered by water?

• A. 50%
• B. 67%
• C. 71%
• D. 29%

Answer 1

Answer: (C)

71%

71% of the surface of the earth is covered by water. The ocean and the seas covering largest surface area of the globe are of paramount significant to all of the living organism including man of the biosphere because they help in functioning of global hydrological cycle through atmospheric- oceanic circulation system. It absorbs carbon dioxide and thus help in reducing green house effect caused by human activities. It also help in the dispersal of seeds and small animals through ocean currents.