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Why is marble useful for buildings and statues?
Marble can be cut into thin slabs or carved into may shapes and it is easy to polish
What are some of the ways that slate is used?
Slate can be cut easily into flat pieces, which make roofing, and chalkboards
How do geologists classify a rock?
They classify rocks into 3 major groups: Igneous, Sedimentary, and Metamorphic
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