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.
West Hudson Park is a nice park. It's a great spot for the communities of Harrison and Kearny to relax and/or get in some physical activity. There are picnic areas, walkways, and a lake (Fairy Lake). There are also a bunch of athletic fields for baseball, basketball, soccer, volleyball, and tennis. There's also a playground and a spray pool for kids.