Dolphin over water surface

>For other uses, see Dolphin (disambiguation). See article below. Dolphins are certain aquatic mammals related to whales and porpoises. The name is from Ancient Greek delphis meaning "with a womb", viz. "a 'fish' with a womb". The word is used in a few different ways. It can mean:Any member of the family Delphinidae (oceanic dolphins),Any member of the families Delphinidae and Platanistoidea (oceanic and river dolphins),Any member of the suborder Odontoceti (toothed whales; these include the above families and some others),Used casually as a synonym for Bottlenose Dolphin, the most common and familiar species of dolphin. See more at Wikipedia.org...

>This article focuses on water as it is experienced in everyday life. See water (molecule) for information on the chemical and physical properties of pure water (H2O, hydrogen oxide). Water (from the Old English word wæter; c.f German "Wasser", from PIE *wod-or, "water") is a tasteless, odorless, and nearly colorless (it has a slight hint of blue) substance in its pure form that is essential to all known forms of life and is known also as the most universal solvent. Water is an abundant substance on Earth. It exists in many places and forms: mostly in the oceans and polar ice caps, but also as clouds, rain water, rivers, freshwater aquifers, and sea ice. On the planet, water is continuously moving through the cycle involving evaporation, precipitation, and runoff to the sea. See more at Wikipedia.org...