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:Close to the time of harvesting of cotton, sunshine…"Beauty is nothing, but the character is needed".…Which of the following statements best describes…Which of the following mineral elements is essential…What quantity of electrons in moles is needed to…