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.
Those in the grade of staff sergeant (E-5) and technical sergeant (E-6) are referred to as non-commissioned officers, while those in the grade of master sergeant (E-7) through chief master sergeant (E-9) are referred to as senior non-commissioned officers.