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Asked by doby532thru46 to timothynixon, scottgriffiths, queeniechan, Liam H, Katherine, joshuahollowood, India, davecornwell, Catherine Mcquillan on 23 Mar 2026.
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India Pascoal-Lawrence answered on 23 Mar 2026:
It depends on which type of rocks!
Sedimentary rocks form by layers of sand and mud that get squished together, after years of erosion, deposition and weathering!
Igneous rocks form when magma or lava cools down and hardens.
Metamorphic rocks form when existing rocks change under heat and pressure (can be sedimentary or igneous in origin).
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