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.
Methanogenesis or biomethanation is the formation of methane by microbes known as methanogens. Organisms capable of producing methane have been identified only from the domain Archaea, a group phylogenetically distinct from both eukaryotes and bacteria, although many live in close association with anaerobic bacteria.