Answer: The correct answer is Option b.
Step-by-step explanation:
Abundant elements are defined as the elements which are present in huge amount on earth. The elements which are required by the living organisms in huge amounts are known as essential elements.
There are in total six essential elements which are required by the body in large amounts. They are Carbon (C), Hydrogen (H), Oxygen (O), Nitrogen (N), Phosphorus (P) and Sulfur (S).
From the given options, zinc is the only metal which is not required by the living organisms in huge amounts.
Thus, the correct answer is Option b.