Why do i have depression?

What can you do to be a financially responsible consumer.

How you feel when someone is boastful and self absorbed when providing you a professional service? why?

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.