water according to wikipedia

Water is an inorganic compound with the chemical formula H2O. water exists on Earth. Water covers about 71% of the Earth's surface, with seas and oceans making up most of the water volume (about 96.5%). Small portions of water occur as groundwater (1.7%), in the glaciers and the ice caps of Antarctica and Greenland (1.7%), and in the air as vapor, clouds.Water plays an important role in the world economy. fresh water used by humans goes to agriculture. Fishing in salt and fresh water bodies has been. water comes from Old English wæter. Dutch water Old High German wazzar. Origin of water on Earth § History of water on Earth. water appeared on Earth in August 2020. Geological evidence also helps constrain the time frame for liquid water existing on Earth. to freeze water between about 4.4 billion and 4.0 billion