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Colleen
Salt water oceans make up 71% of the Earth’s surface, which the other 29% made up of the Earth’s continents and islands. But there are also freshwater lakes and glaciers that cover the Earth’s surface.
Of all the water on Earth, 97.5% is contained within the oceans, while the remaining 2.5% is freshwater lakes and frozen water locked up in glaciers and the polar ice caps – almost 69% of the fresh water on Earth is ice. If you could melt all the water on Earth, and the Earth’s surface was perfectly smooth, the water would rise to an altitude of 2.7 km.
Read more: http://www.universetoday.com/65588/what-percent-of-earth-is-water/#ixzz290rBkEMx
| 14 years ago. Rating: 4 | |
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