Which is an example of a prescription drug? * O joint pain
O insulin
O headache
O Cough pleas help due soon like in 20 min

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.