Although the candidates are selected instead of elected, the process has to follow strict standards. 1. The candidates have to be always in the political system.
Mettle is defined as a high quality of personal character. 1  An example of mettle is a soldier's bravery.  An example of mettle is a person who has spirit and courage.
Methanogens are coccoid (spherical shaped) or bacilli (rod shaped). There are over 50 described species of methanogens, which do not form a monophyletic group, although all methanogens belong to Archaea. They are anaerobic organisms and cannot function under aerobic conditions. They are very sensitive to the presence of oxygen even at trace level.