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Rocks, Soil, Fossils

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weathering
The breaking down of rocks and other materials on the Earth's surface., the process that crumbles, cracks, and breaks rocks (slow change by wind and water)
erosion
(geology) the mechanical process of wearing or grinding something down (as by particles washing over it)
fossils
Skeletons, bones, shells, body parts, leaves, seeds, or impressions of such items that provide recognizable evidence of organisms that lived long ago.
rocks
a mixture of minerals, mineraloids, glass or organic matter
minerals
things found in the earth that are not plants or animals

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