5.4 How deep are ocean trenches such as the Mariana Trench and the Tonga Trench? Between the continental margin and the oceanic ridge lies the deep ocean basin. The size of this region, almost 30% of earth’s surface, is …

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4.6 No CO2 Emissions! The Pros and Cons of Nuclear Energy: Geology and Alternate Energy Sources Roughly 8% of the energy demand of the United States is being met by nuclear power plants. The fuel for these facilities comes from …

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