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 rank insignia were reduced to seven grades and eight ranks (first sergeant was considered a senior grade of technical sergeant) and were numbered from G1 for the highest rank (master sergeant) to G7 for the lowest (private second class).