B) aesthetics. If you look up the definition it talks about how we determine beauty. For example in art
The purpose of having flags on the stems of the notes is, this indicates that f<span>or each flag, the note's value is cut smaller by half. The more flags a note has, the shorter its length is. This has also the same purpose with beams. Notes smaller than quarter notes have flags or beams. Hope this answer helps.</span>
I am not sure but I think the answer might be B: (light meter, aperture, exposure) because they can either photoshop and or use different filters and edit with certain apps.
1. March 31, 1732
2. May 31, 1809
3. Baron Carl Josef Fürnberg
4. Reutter's family
5. 1740
6. His brother Michael
I don't know the rest, sorry!