2 ms·
It's just a name. They are not necessarily rare. It should be "certain transition metals", but transition is not what it seems in regard to "changing" in the co
by a3w 4y ago
It's just a name. They are not necessarily rare.
It should be "certain transition metals", but transition is not what it seems in regard to "changing" in the common sense, either. So, certain metal ores, it is.