Question

which part of a rock is hard?why?​

Answer 1

Answer:

Metamorphic rocks tend to be the hardest of the three types of rock, which are igneous, metamorphic, and sedimentary rocks.

Answer 2

$\fbox \red{ metamorphic rocks }$

•Metamorphic rocks tend to be the hardest of the three types of rock, which are igneous, metamorphic, and sedimentary rocks.

$\fbox \purple{ these rocks are hard because:- }$

•These huge forces of heat and pressure cause the rocks to be bent, folded, crushed, flattened, and sheared. Metamorphic rocks are almost always harder than sedimentary rocks. They are generally as hard and sometimes harder than igneous rocks.

$\bf\underline \pink{ Brainlist \: please }$