Looks pretty good to me! Nice work!
It adds volume to the painting and makes it look 3D, without it the painting would look flat and cartoony.
Answer:
c. at least two different types of art
Explanation:
I'm guessing
Since this is the bass clef,
•G is on the bottom line,
•E is on the 2nd space and
•D is on the middle line.
It spells GED and I don't think that's a word but oh well ¯\_(ツ)_/¯
I hope I helped!