sedimentary rock - Students, Britannica Kids

The most common type of rock exposed on Earth’s surface is sedimentary rock. However, Earth’s crust is formed predominantly of the other two main types of rock, igneous rock…

Badlands National Park - Students, Britannica Kids

igneous rock - Students, Britannica Kids, rocks

rock - Kids, Britannica Kids

mineral - Students, Britannica Kids

erosion: Rocky Mountain formation - Students, Britannica Kids

igneous rock - Students, Britannica Kids

Studying Sedimentary Rocks ~ A Complete Lesson Plan

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sedimentary rock - Students, Britannica Kids

igneous rock - Students, Britannica Kids