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.
1 An example of mettle is a soldier's bravery.  An example of mettle is a person who has spirit and courage.
Methanogens are a type of microorganism that produces methane as a byproduct of metabolism in conditions of very low oxygen. They are often present in bogs, swamps, and other wetlands, where the methane they produce is known as marsh gas.. Methanogens also exist in the guts of some animals, including cows and humans, where they contribute to the methane content of flatulence.