A simple
chemical compound that is
liquid at room
temperature and
pressure. Has the
chemical formula H
2O. Found almost everywhere on
Earth. Predominantly in
seas and
oceans. Vital to most living organisms. The physical properties of water are used to define the
Celsius scale for measuring
temperature.
The solid state of water is known as ice; the gaseous state is known as steam.
Bodies of water, generic: sea, lake, ocean, river, pond?, etc.
See also precipitation
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