The main component of egg shell is? By: Sunday|Published on: Jul 5|Categories: Agricultural Science WAEC| 0 comments A. nitrogen B. calcium C. sodium D. molybdenum E. zinc Correct Answer: Option B – calcium Users Also Read These:Which of the following elements has a ground state…The major mineral present in the shell of Molluscs is?What is the valence shell electron configuration of…The extra oyster shell meal supplied to breeding hens?The maximum electron in N shell is?SEE ALSO Which of the following combinations of practices best controls groundnut rosette disease?