Xtroubleshoot
Revision as of 04:06, 8 April 2014 by Nate Russell (talk | contribs)
Introduction[edit]
Water on Earth moves continually through the water cycle of evaporation and transpiration (evapotranspiration), condensation, precipitation, and runoff, usually reaching the sea. Evaporation and transpiration contribute to the precipitation over land. Water used in the production of a good or service is known as virtual water.