The roman tuba was a military signal instrument, usually about four feet long, and was played using a detachable bone mouthpiece. to which instrument classification does the roman tuba belong? membranophone idiophone aerophone chordophone

The correct answer based on the given description above about a Roman Tuba would be the third option: Aerophone. The instrument classification that the Roman tuba belongs is in the aerophone. An aerophone is a wind instrument. The Roman tuba is like a military trumpet. 

The best answer would be choice c.: )