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Weathering and erosion break down rocks.
Two movements that make sedimentary rock is, cementation and compaction.
Heat and pressure make the sedimentary rock into metamorphic rock.
Igneous rock is made by the heating and cooling of magma/lava.
Intrusive igneous rocks are made under the surface and cool slowly. Because they cool slowly, they have large crystals and are shiny. Extrusive rocks cool fast, and have bubbles.
The cycle starts all over again when the igneous rock erodes and weathers back into sedimentary rock.
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