AS PLEASE HELP You are trying to teach your friend how to complete a push up with proper form. Why is proper body alignment important? What are two tips you would give them about body alignment to ensure their form is correct?

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.