Question

gyz pls help me write one name of one bulk and one trace essential elements in biological system..

Answer 1

The bulk elements essential in biological system are hydrogen (H), carbon (C), nitrogen (N), oxygen (O), sulphur (S) , etc. the trace elements essential areron (Fe), zinc (Zn), manganese (Mn), copper (Cu), cobalt (Co) in the form of vitamin B12, molybdenum (Mo) and the non-metals selenium (Se) , iodine (I) ,etc. Hope this helps you !