Oxygen can combine with carbon to form two compounds, carbon monoxide and carbon dioxide. the ratio of the masses of oxygen that combine with a given mass of carbon is 1:2.
Best Answer: colonel is the highest of those listed followed by captain and then lieutenant, those three are all commisioned officers. a sergeant is a non commisioned officer and has different responsibilities. Source(s): Docbrown Â· 1 decade ago.
1 An example of a sergeant is an Army officer who is senior to a corporal. 2  An example of a sergeant is a police officer who is junior to a captain. 3  Historical a feudal servant who attends his master in battle. 4  sergeant-at-arms. â.  a noncommissioned officer of the fifth grade, ranking above a corporal and below a staff sergeant.