Name the hardest rocks formed. How are they formed? Why are they the hardest?
Answers
Answer:
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
Explanation:
Plz mark me as brainliest answer
Also Like and Rate if its helpful for you
:)
Answer:
Metamorphic rocks are the hardest rocks.
Explanation:
Metamorphic rocks started out as some other type of rock, but have been substantially changed from their original igneous, sedimentary, or earlier metamorphic form. Metamorphic rocks form when rocks are subjected to high heat, high pressure, hot mineral-rich fluids or, more commonly, some combination of these factors. Conditions like these are found deep within the Earth or where tectonic plates meet.
From the Greek meta is "change" and morpho is "shape".
HOPE IT'S HELPFUL