Answer:
1st answer
Explanation:
to give the viewer one perspective
The modern trumpet has three valves and a bore that is partly cylindrical, partly conical. The standard orchestral trumpet, built in B-flat, has a range of about three octaves extending upward from the F-sharp be extending upward from the F-sharp below middle C(F3 sharp = 185 Hz).
They are hidden in the corner of you're brain. Get creative and they will pop out :) it has happen to me before
I believe the answer is A. Light Mixtures.