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.
A Sergeant is the second-lowest grade of NCO (Non-Commissioned Officer), directly above Corporal. Sergeants command small units of soldiers ranging in size from a fireteam, 4-5 soldiers, to a squad, which consists of two fireteams, and have a great deal of influence of the everyday lives and activities of their men.