An example of a trace elements is? by Sunday | Mar 15 | Biology WAEC | 0 comments A. potassium B. calcium C. magnesium D. copper Correct Answer: Option D – copper Users Also Read These:Which of the following mineral salts is a trace element?Which of the following are elements of a valid contract?The bones of the legs of a six years old boy are…The reason for the decrease in the atomic size of…Elements X and Y have electronic configurations…