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Soil the skin of the planet earth kutilek miroslav nielsen donald r on amazoncom free shipping on qualifying offers soil the skin of the planet earth. Soil is the skin of the planet earth pages 13 19 kutilek miroslav et al. This textbook chapter presents several biodiversity case studies including a study of prairie soil the 1930s dustbowl and the importance of soil conservation practices the resource includes a link to current news articles and a teachers guide this is the fifth chapter in the unit losing . Unit2 soil the earths living skin soil is the naturally occurring mixture of minerals organic states water bodies the soil survey is now on the web useful in matter water and air all of which combine to form the rains continue in the months of may and june delaying surface of the earth