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Showing posts with label sources of fresh water. Show all posts
Showing posts with label sources of fresh water. Show all posts

Wednesday, November 28, 2012

How much water is on Earth?


How much water do you think there are on Earth? Approximately 70% of the surface of the Earth is covered by water, and oceans contain about 96.5% of all water from the planet. But there is water in the air as water vapor, in rivers and lakes, ice caps and glaciers, as moisture in the soil and groundwater, even in your body and your dog. However, all that water is in the "small" area of ​​1,385 km in diameter.