what is rock cycle? define igneous rock
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The rock cycle is a concept used to explain how the three basic rock types are related and how Earth processes, over geologic time, change a rock from one type into another .Igneous rocks are formed from the solidification of molten rock material.
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Like most Earth materials, rocks are created and destroyed in cycles. The rock cycle is a model that describes the formation, breakdown, and reformation of a rock as a result of sedimentary, igneous, and metamorphic processes. All igneous rocks start out as melted rock, (magma) and then crystallize, or freeze.❤
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