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Earth Rocks!

Earth Rocks!: James Compton
Orden de Palabras:
BRECCIA
COAL
COPPER
CRYSTAL
DIAMOND
FOSSIL
GEOLOGIST
GRANITE
IGNEOUS
LIMESTONE
MARBLE
METAMORPHIC
MINERAL
MOHS
OBSIDIAN
PUMICE
QUARTZ
SEDIMENTARY
SHALE
SILVER
SLATE
SPECIMEN