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:Which of the following mineral elements is essential…The diagram above is an illustration of organisms in…"Beauty is nothing, but the character is needed".…Determine the amount of electrons needed to deposit…The act of keeping products in good condition until…