1) reflector boards
2) 8mm
3) option 3.
Answer:From what i have seen Sherald mostly uses one color to paint her backgrounds.
"The major scale is considered the "home" sale and is also known as the lonian mode, followed by Dorian, Phrygian, Lydian, Mixolydian, Aeolian and Locrian, with each mode beginning on the next note of the home scale."
Hope this helped, good luck in your studies!