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.
The definition of a sergeant is a non commissioned rank in the U.S. Army, the Air Force or Marines, or a police officer who is junior to a lieutenant. 1  An example of a sergeant is an Army officer who is senior to a corporal.  An example of a sergeant is a police officer who is junior to a captain.