The key elements of an amino acid are carbon, hydrogen, oxygen, and nitrogen, though other elements are found in the side-chains of certain amino acids. About 500 amino acids are known and can be classified in many ways.
Friendly is a town in Tyler County, West Virginia, in the United States.
3. Broadway (Rockingham County) The Town of Broadway / Facebook. The town of Broadway came in as the #1 in Safest Places in Virginia according to Safewise. This small town of just over 3,000 provides plenty of community activities, along with all of the history and beauty of the Shenandoah Valley.