The major mineral present in the shell of Molluscs is? by Sunday | Mar 15 | Biology WAEC | 0 comments A. Copper B. Sodium C. Iron D. Calcium Correct Answer: Option D – Calcium Users Also Read These:The maximum electron in N shell is?The maximum number of electrons that can occupy the…The present ages of Chukwuemeka and Ikechukwu are 6…Which of the following is a major mineral resource…Which of the following elements has a ground state…