ruthreswary1
ruthreswary1 ruthreswary1
  • 03-10-2017
  • Biology
contestada

why are metamorphic rocks harder than igneous rock and sedimentary rocks

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kellyhines50752
kellyhines50752 kellyhines50752
  • 03-10-2017
because metamorphic is created by a igneous or sedimentary rock heating up and changing into a metamorphic rock
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Dania2018
Dania2018 Dania2018
  • 03-10-2017
Metamorphic rocks are almost always harder than sedimentary rocks. They are generally as hard and sometimes harder than igneous rocks. They form the roots of many mountain chains and are exposed to the surface after the softer outer layers of rocks are eroded away.⇔⇔

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