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question		réponse
sedimentary rock commencer à apprendre		created by sediment building up and compacting together
igneous rock commencer à apprendre		igneous rock is created by melting rock, then cooling it
metamorphic rock commencer à apprendre		metamorphic- created by heat and pressure
which rock forms crystals? commencer à apprendre		igneous
what creates sediment? commencer à apprendre		weathering and erosion
what creates magma? commencer à apprendre		melted rock
which igneous rock cools quickly? commencer à apprendre		extrusive
how many types of rock are there? commencer à apprendre		3

rock cycle