Plz only have so much time
to maintain a healthy weight it is best to perform flexibility exercises flexibility combined with cardio exercises cardio combined with muscular strength exercises muscular strength exercises

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.