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nature photographs (c) andreas stridsberq
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Nature Photographs (c) Andreas Stridsberq

Water on Earth
Water is a chemical substance that is composed of hydrogen and oxygen and is vital for all known forms of life. In typical usage, water refers only to its liquid form or state, but the substance also has a solid state, ice, and a gaseous state, water vapor or steam. Water covers 71% of the Earth's surface. On Earth, it is found mostly in oceans and other large water bodies, with 1.6% of water under ground in aquifers and 0.001% in the air as vapor, clouds (formed of solid and liquid water particles suspended in air), and precipitation. Oceans hold 97% of surface water, glaciers and polar ice caps 2.4%, and other land surface water such as rivers, lakes and ponds 0.6%. Additionally, a minute amount of the Earth's water is contained within biological bodies and manufactured products.

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Filename:155576.jpg
Album name:World & Travel
Rating (1 votes):55555
Keywords:#nature #photographs #andreas #stridsberq
Filesize:78 KiB
Date added:Jan 31, 2009
Dimensions:800 x 501 pixels
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