Geography 1100 Study Guide - Exclusive Economic Zone, Centrifugal Force, Minority Group
3 Mar 2014
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Biological resources, lands that support living things. Topsoil usually few inches deep, less than 1 ft. Formed by physical and chemical decomposition of rock material and by decay of organic matter. Soil erosion is the removal of soil particles by wind or water: usually soil formation rate > soil erosion rate, depth and fertility increase with time. 45% of earths rainforests have been cleared or degraded: lands cleared for agriculture almost immediately have soil loss. Salinization is the concentration of salts in the topsoil as a result of the evaporation of surface water: occurs where evaporation exceeds precipitation. Study of the organization and spatial distribution of political phenomena. The idea of the state and its claim to sovereignty within its boarders are normal now. State: an independent political unit occupying a defined, permanently populated territory and having full sovereign control over its internal and foreign affairs.
