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Chapter 7 Review

Earth Science

Geologist estimate that the Earth is _____ years old. 4.6 billion
The principle that geologic processes that occurred in the past can be explained by current geologic processes is called _____. unitarianism
Layers of rock, called _____, show the sequence of events that took place in the past. strata
Even though all three classes of rock can form layers, the ones most commonly studied are _____. sedimentary
Created by: ryleemcgahan
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