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Rocks
Enter the number from the column to the left into the text box next to the appropriate word in the right-hand column.
1. an inorganic substance with a crystalline structure and a specific chemical composition metamorphic rock
2. rock changed by pressure and heat to a different type of rock igneous rock
3. naturally occurring molten materials below the surface of the Earth rock
4. rock formed by the presssure of gravity on deep layers of sediment sediment
5. a naturally occurring inorganic solid composed of minerals and/or non-minerals magma
6. rock formed by cooling lava or magma lava
7. small grains of matter deposited on land or under water mineral
8. magma ejected from the crust sedimentary rock



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