Answer:
Instrumentation — The 1812 Overture is scored for an orchestra that consists of the following: Brass band: "Open" instrumentation consisting of "any extra brass instruments" available. ... band or its substitute is meant to play during the finale only. ... Not only did he deploy voices for the opening chant but he also
Saxophones produce sound by using the player's flow of air and creating an oscillating motion with the reed acting as an oscillating valve.<span> The reed and the resonances that are present within the air inside of the instrument produces a vibrating and radiating sound out of the holes as well as the belly of the instrument.</span>
Im pretty sure the answer A
Helps isolate organisms found in the minority