What skill(s) would be important for an art appraiser to have?

What comprises a list of main points and sub-points of a topic to include in a presentation? a(n) is a list of main points and sub-points of a topic to include in a presentation.

Natural minor half steps between scale degrees 3 and 4; 7 and 8 harmonic minor half steps between scale degrees 2 and 3; 5 and 6 ascending melodic minor half steps between scale degrees 2 and 3; 5 and 6; 7 and 8 major half steps between scale degrees 2 and 3; 7 and 8

What effect does distress usually have?