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according to moh's scale of hardness, the hardest rock in the world is ____

a. Talc
b. Corundum
c. Quartz
d. Gypsum


Sagot :

Answer:

b. Corundum

Explanation:

Diamond is always at the top of the scale, being the hardest mineral. There are ten minerals in Mohs scale, talc, gypsum, calcite, fluorite, apatite, feldspar, quartz, topaz, corundum, and for last and hardest, diamond.