Earth's Water Volume

If all the Earth's water compiled into a single bubble to get it not so much.
Although about 70 percent of Land covered with water.
However, in comparison with of the Earth and the ball of water diameter, would have been that our planet covered by a thin layer of water.
U.S. Geological Survey carried out in this review, the entire surface of the Earth's water could fit in the 1.4 thousand. km in diameter bubble (diameter of the Earth - 12,760 km).
In this bubble is included, the total seas, rivers, lakes, as well as underwater lakes, groundwater, glaciers. Although the Earth has just quite watercore planet, one focused on spheroids occupy a relatively low water on the planet surface. The oceans account for about 96.5 percent total in ground water.

Although the Earth is quite simply watercore planet into a single spherical concentrated the water, in a relatively occupy a relatively low surface area of the planet.
Water and exist in the atmosphere - in the form of vapor and clouds, and polar and alpine glaciers form, also the water content and the bulk of living organisms.
But it all fits in quite a small ball.
It seems to us that the water on Earth is very much... takes note Geological Survey conducted the authors.

• However, 96 per cent the water is salty.
  As for life is the most important water which is quite not much - fresh water, often stretching somewhere beneath our feet.

(Photo Credit - (Public Domain via USGS)
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