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.
First Sergeant is the name of a military rank used in some countries. First Sergeant is a Specialist rank in the Singapore Armed Forces. First Sergeants are the most senior of the junior Specialists, ranking above Second Sergeants, and below Staff Sergeants. The rank insignia for a First Sergeant features the three chevrons pointing down shared by all Specialists, and two chevrons pointing up.