Shocking Representation Of How Little Water Earth Contains

Just because it covers 70% of the planet's surface doesn't mean there's a lot of it. For a life giving substance and building block to life as we know it, H2O is spread a little thin.

ga.water.usgs.gov

According the U.S. Geological Survey,

"The blue sphere sitting on the United States, reaching from about Salt Lake City, Utah to Topeka, Kansas, has a diameter of about 860 miles (about 1,385 kilometers) , with a volume of about 332,500,000 cubic miles (1,386,000,000 cubic kilometers). The sphere includes all the water in the oceans, seas, ice caps, lakes and rivers as well as groundwater, atmospheric water, and even the water in you, your dog, and your tomato plant."