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.
Platoon Sergeant. Sergeant First Class is the seventh enlisted rank (E-7) of the UNSC Army, and is a non-commissioned officer rank. It is above Staff Sergeant and below Master Sergeant and First Sergeant. It is equal to the rank of Chief Petty Officer in the UNSC Navy, Master Sergeant in the UNSC Air Force, and Gunnery Sergeant in the UNSC Marine Corps. A Sergeant First Class typically serves as the platoon sergeant for his platoon.