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:Geology and Mineral Science Cut off Mark in KWASUThe process of removing soluble substances such as…The most common soil mineral found in all…Conduction of water and mineral salts through the…The texture and the mineral composition of soil…