What standardized scale, ranging from 1 (softest) to 10 (hardest), is used by geologists to measure and classify a mineral’s resistance to being scratched?
💡 Explanation:
The Mohs Scale of Mineral Hardness is a qualitative scale developed in 1812 by German geologist Friedrich Mohs. It defines hardness by the ability of a harder material to scratch a softer material, ranging from talc (1) to diamond (10).