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:"Beauty is nothing, but the character is needed".…Determine the amount of electrons needed to deposit… Which of the following mineral elements is…Close to the time of harvesting of cotton, sunshine…Which of the following mineral elements is essential…