原题
The study of geological formations provides insights into Earth's dynamic processes. Metamorphic rocks are rocks that have been transformed by heat and pressure. Sedimentary rocks fo as lay of mate build u over ti and a eventually pre and fu together t create so rock. The strata inside these formations serve as historical records of environmental conditions, revealing changes in climate, sea levels, and biological evolution. Analyzing rocks allows geologists to reconstruct past geological events.
参考答案：rm ers rial p me re ssed sed o lid
解题思路
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