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RESOURCES & ENVIRONMENT CH. 4. SOLAR ENERGY http://cafe.naver.com/ArticleRead.nhn?clubid=18639531&page=1&menuid=21&boardtype=L&articleid=805
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4-1. WATER CYCLE 4-1-1. Water H 2 O http://cft.fis.uc.pt/eef/FisicaI01/fluids/thermo20.htm
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Water on Earth Sea water (1.37*10 9 km 3 ) Terrestrial water Surface water (2.3*10 5 km 3 ) Groundwater (8.4*10 6 km 3 ) Glacier/Ice/Snow (2.9*10 7 km 3 ) Vapor (1.3*10 4 km 3 )
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http://water.usgs.gov/edu/watercyclesummary.html
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4-1-2. Significance of Water Essential constituents of life forms Niches for various organisms Climate (esp. temperature) controller Reservoir of many invaluable resources Transport medium for material cycles
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4-1-3. Water Cycle http://water.usgs.gov/edu/watercyclesummary.html
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