Junior Science: Earth's Natural Resources (Jewel Case)$8.99Condition: New Warranty: 30 Days Operating System: Windows® 95~XP & Mac OS 7.5-9.2 Product Description: Study the importance of air, water, and soil as natural resources, and learn how pollution, acid rain, ozone depletion, the greenhouse effect, and the extinction of species impact nature's delicate balance. Examine the advantages, disadvantages, risks and limitations involved in the use of fossil fuels, nuclear energy, and alternative forms of energy such as solar, wind, and geothermal. 
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