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Physics 15 Online
OpenStudy (anonymous):

Which turns metamorphic and sedimentary rocks into igneous rock? A. pressure and heat B. melting and cooling C. compaction and cementation D. weathering and erosion I need some help with this. Not just a striaght up answer please. Can you just explain to me how this works and help with answer? Thankies. <3

OpenStudy (anonymous):

Help please. <3

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