Depending on the needs of the piece and setting, the tuba takes the role of the bass (with sousaphones or contrabass bugles, other instruments in the tuba family, filling that role in Marching Bands and drum corps). Some settings have the bass Trombone take that role (such as in jazz bands)
Yes, the bass drum is a percussion instrument.
A tuba.
Each one of the Brass instruments have a different vocal range. The trumpet is a soprano to alto instrument. (You can bet bass trumpets but they are rare.) The Trombone is a tenor or Bass. French horn or the English horn are Tenors. Euphoniums are bass to tenor. The Eb Bass Tuba is a bass instrument. Sousaphones are bass to double bass.
A bass horn is a large brass instrument in the bass range - usually the modern tuba or archaic serpent.
Because it has a Reed like a Clairnet and a Bass Clairinet
It serves as the bass of the brass section and of brass quintets and choirs, as well as reinforcement for the bass voices of the strings and woodwinds, and as a solo instrument.
It can be either, depending on how well you can play it. In general, a Trombone is a bass instrument, playing in the bass clef, making it a relatively low-pitched instrument.
The double bass
An Electric Bass is an amplified four-stringed instrument which produces low sounds. A lot of the time, the instrument will be a back-up to a more 'major' instrument in the song such as the Electric Guitar.
there isn't one set in stone but the human ear picks up higher sounds easier so it sounds like trumpets are loudest mostly, it just really depends on how much air you blow through the instrument.
It serves as the bass of the brass-instrumentsection and of brass quintets and choirs, as well as reinforcement for the bass voices of the string-instrumentand woodwind, and as a solo instrument
The bass I think.