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Unit VIII. Global Warming A. 20th Century Warming B. A perspective on 20th century warming. C. Causes of Global Warming ⢠Greenhouse gases ⢠Solar variability ⢅

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Earth Science 8th Grade OAT Review 7th 1. Explain the Biogeochemical cycles which move materials between the lithosphere (land), hydrosphere (water) and atmosphere (air)…

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