Minerals identify

Know how to recognize them



Water is an inorganic , transparent, and nearly colorless chemical substance 's hydrosphere of all known living organisms. It is vital for all known forms of life or organic. Its chemical formula contains one oxygen , connected by covalent bonds.Two hydrogen atoms attached one oxygen atom at angle of 104.45°.

"Water" is the name of the liquid state of H2O at standard ambient temperature and pressure. It forms precipitation and aerosols are formed from 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. Water moves continually through the water cycle of evaporation (evapotranspiration, precipitation, usually reaching the sea.

Water covers 71% of the Earth , mostly in seas Small portions of water occur as groundwater and the ice caps and Greenland, clouds (formed of ice and liquid water suspended in air), and precipitation

Water plays an important role in the world economy. Approximately 70% of the freshwater used by humans goes to agriculture Fishing in salt and fresh water bodies is a major source of food for many parts of the world. Much of the long-distance trade of commodities (such as oil, natural gas, and manufactured products) is transported by boats , lakes. Large quantities of water, ice, and steam, in industry. Water is an excellent solvent for a wide variety of substances both mineral and organic; as such it is widely used in industrial processes, and in cooking and washing and other forms of entertainment , pleasure boating , surfing, ice skating.