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.
Report Abuse. Officer is higher, but an officer is not a rank, it is a set of ranks, commissioned officers. Officers lead the military. Sergeants are in the enlisted ranks. A sergeant is in the middle of the enlisted ranks and is in a leadership position, so they're called an NCO, or non-commissioned officer.