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Water Vapor ex def

Water Vapor is always in the atmosphere, and it absorbs heat from the sun.  Some amount of water vapor is necessary in the atmosphere. Without it, it would never rain and we wouldn’t be able to go outside without dehydrating very quickly. The amount of water vapor in the air has impacts on humidity, cloud formation, and precipitation.

Last modified date: Friday, August 10, 2012 - 12:16pm