Eric Wagoner
@ewagoner
It's amazing just how little water it takes to make Earth a water planet. http://ga.water.usgs.gov/edu/2010/gallery/global-water-volume.html
5/7/2012, 3:31:13 PM
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Eric Wagoner
@ewagoner
It's amazing just how little water it takes to make Earth a water planet. http://ga.water.usgs.gov/edu/2010/gallery/global-water-volume.html
5/7/2012, 3:31:13 PM
Favs: 0
Retweets: 0
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