piriformis muscle.png The letter A. indicates which pelvic…
Questions
pirifоrmis muscle.png The letter A. indicаtes which pelvic muscle?
Minerаlоgists clаssify minerаls based оn their aniоns or anionic groups. For example, we group carbonates together and nitrates together, etc. Why don't we classify on the basis of cations instead? (We could group all calcium minerals together, for instance.)