The main component of egg shell is? by Sunday | Jul 5 | Agricultural Science WAEC | 0 comments A. nitrogen B. calcium C. sodium D. molybdenum E. zinc Correct Answer: Option B – calcium Users Also Read These:The maximum number of electrons that can occupy the…Which of the following elements has a ground state…How many orbitals are in the d-sub shell?Which of the following atoms contains the highest…The number of electrons in the valence shell of an…