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註釋An objective presentation of how the Earth's resources are generated, extracted, and how human activities impact the environment. Prepared for first year undergraduates in geology and environmental courses, the text examines minerals, fossil fuels, metals, building materials, water and soil resources, and environmental concerns and alternatives. This new edition increases its emphasis on topical discussions of resource management, and has also added 50 new color photographs and over 100 more illustrations. Annotation copyright by Book News, Inc., Portland, OR