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Category:Water: Difference between revisions
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'''Water''' is a {{tag|Chemistry|chemical}} substance whose molecule consists of two hydrogen atoms and one oxygen atom, designated by its chemical formula '''H<sub>2</sub> | '''Water''' is a {{tag|Chemistry|chemical}} substance whose molecule consists of two hydrogen atoms and one oxygen atom, designated by its chemical formula '''H<sub>2</sub>O'''. Water exists on earth as a liquid at temperatures above 0 degrees Celsius, a solid at 0 degrees Celsius and below, and a gas at temperatures above 100 degrees Celsius (at a mean sea level atmospheric pressure). | ||
Water is necessary for the sustenance of life on {{tag|earth}}, as much of the living organisms on earth are comprised of water to a great extent. | Water is necessary for the sustenance of life on {{tag|earth}}, as much of the living organisms on earth are comprised of water to a great extent. | ||
[[Category:Drink]] | |||