13 - Physical Geography- Mr. Brew 2/13/2008 Notes MCCC...

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Physical Geography- Mr. Brew 2/13/2008 Notes MCCC Africa Quiz on Monday, 18th Feb EXAM #1, Wednesday Chapter 6 Moisture Introduction: Water is sometimes called the universal solvent -contracts at 39 degrees F and than expands 70% of earth is covered by Salty water 97% of that water is not useable --Salty --Frozen Hyrdrologic Cycle is the process of condensation, precipitation, and evaporation -when is air is holding all the water vapor it can, it is considered saturated. -the higher the temperature, the more water can be held Humidity- the amount of water vapor in the air any one time relative humidity- is the ratio % between the amount of water vapor in the air of a given temperature and the maximum amount of vapor that the air could hold at that temperature- in other words relative humidity expresses how close the air is to saturation. Transpiration- when plants "transpire" water in the air ----example, Oak tree= 105 gallons of water into the air per day
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4 ways to lift air Convectional: -Air is heated near the surface, it expands, becomes lighter and rises. As
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13 - Physical Geography- Mr. Brew 2/13/2008 Notes MCCC...

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