The faster you buzz your lips when playing a brass
instrument, the the sound.
A lower
B longer
slower
D higher

D higher

Step-by-step explanation:

The pitch of a brass instrument depends on the volume of air that is vibrating, as well as the speed at which the player's lips are vibrating.

By buzzing the lips faster or slower, the player can cause the air in the tube to resonate at different harmonics.

Hope this helps! :)

answer: yard ramps with a level off platform are typically 36 feet long. truck, rather than at an angle, enabling access to those pallets at the very back of the truck. if you are using your yard ramp to convert a loading dock into a drive-in door, we even at 60 inches (5 feet) high and a 30 foot ramp, the slope of the ramp will be less

step-by-step explanation: