Llluminated manuscripts have historically been created and used by which two religions faiths

Why is it so important for art critics to get their reviews published by the media? a. unpublished critics can work only in art galleries, not museums, b. people must be published before they can be accepted into programs to study how to become art critics. o c. once critics' reviews have been published, critics no longer have to promote themselves to become known, o d. if no one has heard of them, no one will care what they have to say about art.

This medium typically is made of graphite, a crystalline form of carbon:

Which principle of design is in primary use in this structure?