Answer:
Many scales are diatonic including Major, Minor (the Harmonic minor is an exception) and modal scales. Examples of non-diatonic scale are pentatonic, octatonic and whole-tone scales.
The Byzantine Empire was the eastern part of the Greek Empire. The Greeks believed in many gods, and often depicted them on pots and even Effigy containers. The Greeks did not have very many colors available to them, so often times these vases or Effigy containers were painted in black and red.