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WAEC Biology 2019 Objective — Question 25

Question 25 of 50 from the West African Examinations Council (WAEC) Biology 2019 Objective paper, with the correct answer and a full explanation.

The major mineral present in the shell of Molluscs is

A. copper
B. sodium
C. iron
D. calciumCorrect

Explanation

Calcium is the major mineral element present in the shell of Mollusca.

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