How many percent of Earth's surface is water?

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GEOGRAPHY QUESTION #1437

How many percent of Earth's surface is water?

71 %

Explanation

Earth covers a surface area of 509,450,000 km² of which only 29% or 149,450,000 km² is land mass, whereas the remaining 71% are oceans. Running water is essential for all known types of live, and has not been found on the surface of any other planet.

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Answer time 0s (0s). 51% have previously answered correct on this question. The question was created 2008-11-24.