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Explain processes that have changed Earth’s surface that have resulted from sudden events (e.g., earthquakes and volcanoes) and gradual changes (e.g., uplift, erosion, and weathering)
Analyze how rock sequences may be disturbed by the following:
Explain how scientists determine the relative ages of fossils found in layers of sedimentary rock:
Apply geologic laws of superposition and cross-cutting to determine the relative age of rock in a cross section