Question

1. according to the mohs scale of hardness, what is the hardest known mineral on earth? a. talc b. garnet c. diamond d. corundum

Explanation:

The Mohs Scale of Hardness is a scale used to measure the hardness of minerals. Diamond is known to have a hardness of 10 on this scale, which is the highest, making it the hardest known mineral on Earth. Talc has a hardness of 1, Garnet has a hardness range (usually around 6.5 - 7.5), and Corundum has a hardness of 9, all lower than diamond.

Answer:

C. Diamond