Fe, Zn, Mn, Mo, Co, Ni, Cu, are also called __________:
A. Micro elements B. Trace elements
C. Both a & b
D. None of these
Fe, Zn, Mn, Mo, Co, Ni, Cu, are also called __________: | Both a & b | CSS, PMS, PPSC, FPSC, KPPSC, SPSC, ISSB and NTS Past Papers | Pakistan's Largest Online Past Papers Database
