Rain

: For other uses see Rain (disambiguation).

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Rain is a form of precipitation, other forms of which include snow, sleet, hail, and dew. Rain forms when separate drops of water fall to the Earth's surface from clouds. Not all rain reaches the surface, however; some evaporates while falling through dry air. When none of it reaches the ground, it is a precipitation called virga.

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Rain plays a major role in the hydrologic cycle in which moisture from the oceans evaporates, condenses into clouds, precipitates back to earth, and eventually returns to the ocean via streams and rivers to repeat the cycle again. There is also a small amount of water vapor that respires from plants and evaporates to join other water molecules in condensing into clouds.

Precipitation: In meteorology, precipitation is rain, snow and other material falling from the sky.In chemistry, precipitation is the condensation of a solid from a solution during a chemical reaction.In geology, precipitation is the sum of runoff, infiltration, and evapotranspiration....

Snow: Snow is precipitation in the form of crystalline water ice, consisting of a multitude of snowflakes. Since it is composed of small rough particles it is a granular material. It has an open and therefore soft structure, unless packed by external pressure....

Sleet: Whereas hail forms within clouds, sleet begins as snow falling to earth after having left its originating cloud. The snow partially melts on its trip down in a layer of warm air but then refreezes into ice crystals that appear much like hail....

Rain related Images and Photos (experimental)

Rain	Rain	Rain	Rain Drops
Rain Kites	Rain Milano	Rain Forest	Rain Forest
Rain People, The (DVD)	Rain 1932	Purple Rain (BD)	Rain Forest I