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 are elements of a valid contract?Which of the following arrangements indicates the…Which of the following pairs of elements forms…ETM 312 Elements Of Land LawThe bones of the legs of a six years old boy are…