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:Four elements P; Q; R and S have atomic numbers of…Elements in the periodic table are arranged in the…Which of the following pairs of elements forms…Which of the following is not regarded as a…Which of the following arrangements indicates the…