Which one of the following statements about muscle is most accurate? a. it weighs less than fat. b. it weighs more than fat. c. its weight in relation to fat depends on a person's fitness level. d. it weighs the same as fat.

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.