What role can inorganic metals such as iron or zinc have in a reaction

What is the main difference between trace elements and the main elements that make up the body? 1) main elements consist of heavier atoms. 2) trace elements are only needed in small amounts. 3) trace elements consist of heavier atoms. 4) main elements are only needed in small amounts.

Christopher came down with the chicken pox after spending time in his child’s day care. what like in the chain of transmission is this scenario

Select all that apply.carbohydrates are found in foods that contain: