The mineral needed for the formation of haemoglobin is? by Sunday | May 17 | Biology WAEC | 0 comments A. magnesium B. iron C. phosphorus D. calcium Correct Answer: Option B B. iron Users Also Read These:The texture and the mineral composition of soil…Cut off Mark for Geology And Mineral Sciences in…Which of the following mineral elements is essential…Which of the following mineral salts is a trace element?The mineral contents of the upper part of the…