Friday, May 18, 2012

Drop Of Life All the world's water

Drop Of Life All the world's water




If all the world's water were to form a single drop, this is how big it would be: A sphere stretching from Salt Lake City, Utah to Topeka, Kansas. Though this mega-droplet looks small compared to Earth's bulk, the two dimensionality of this image is somewhat deceiving. In fact, the water sphere would have a diameter of about 860 miles (1,385 kilometers) and a volume of about 332,500,000 cubic miles (1,386,000,000 cubic km).
That's a lot of water, but you wouldn't want to drink this droplet. More than 96 percent of Earth's water is saline. About 68 percent of the world's fresh water is frozen in ice sheets and glaciers, with another 30 percent stored underground. Rivers make up just 1/10,000th of a percent of the globe's total water.
Source: Live Science

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