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Emphasis is on analyses of rock formations and fossils they contain to establish relative ages of major events in Earth’s history

Emphasis is on analyses of rock formations and fossils they contain to establish relative ages of major events in Earth’s history. Major events could include the formation of mountain chains and ocean basins, adaptation and extinction of particular living organisms, volcanic eruptions, periods of massive glaciation, and the development of watersheds and rivers through glaciation and water erosion. The events in Earth’s history happened in the past continue today. Scientific explanations can include models.

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