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:A certain amount of money is needed for everyday…The act of keeping products in good condition until…Which of the following mineral elements is essential…Which of the following statements best describes… Which of the following mineral elements is…