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Did you know that weathering and erosion can change igneous rock to sediments.
Through cementation and compaction the sediments are turned into sedimentary rock.
From sedimentary rock, heat and pressure happen and metomorphic rockis formed.
When in the rock cycle melting metomorphic rock forms magma.
Introsive igneous rocks are formed when rocks are melted by lava and cooled slowly.
Extrusive igneous rock is formed when rock is melted by magma that is moving and then it cools fast.
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