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.
In the Air Force the rank below sergeant is Senior Airman, and in the Marine Corps it is a Corporal. In the American Army, a sergeant was the 3rd rank in promotion and wore 3 stripes. However, sergeant can be a generic term for any non-commissioned officer above 3 stripes.