Description The history of Earth can be explored through the sediments that cover its lands and the layers they've formed over time. How did they get there in the first place? The answer is erosion. Readers will explore this important earth science concept through this in-depth guide, which was written to support elementary science curricula. Readers will learn about the processes of erosion and weathering, sedimentary rocks and the rock cycle. Age-appropriate text and colorful photographs make these concepts accessible for elementary science students.
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