Water is an inorganic compound with the chemical formula H2O. It is transparent, tasteless, odoreless, and nearly colorless chemical substance, which is the main constituent of Earth's hydrosphere and the fluids of all known living organisms. It is viral for all known forms of life. Its chemical formula ,H2O, indicates that each of its molecules contains 1oxygenand 2hydrogen atoms, connected by covalent bonds. The hydrogen atoms are attached to the oxygen atom at an angle of104. 45".Water" is also the name of the liquid state of H2O at standard temperature and pressure.
Because earth's environment is relatively close to water's triple point, a number of natural states of water exist on earth. It forms participation in the form of rain and aerosols in the form of fog. Cloud consist of suspended droplets of water and ice, its solid state. When finely divided, crystalline ice may precipitate in the form of snow. The gaseous state of water is steam Or water vapor.
Water covers about71% of the earth's surface, with seas.