Works of art are created on frosted parchment-like material or surface, which can be made from young calf skin that is stretched out. a. encaustic c. silverpoint b. ink d. vellum

The correct answer is the option D: Vellum.

Explanation:

Vellum, or also known as Parchment, is a material made from calfskin whose main purpose is normally to be used as a material for writing on. Moreover, the vellum was apreciated from long centuries as a high value material due to the fact that is characterized for its higher quality, smoothness and durability. In addition, a modern version of it, called ''paper vellum'' is used nowadays and is made from synthetic plant material.

the sculpture i am pretty sure you are talking about is the statue b. the david statue now lives in the galleria dell'accademia, florence, italy. it was made by ‎michelangelo.

i believe their role is to instruct certain sections on when they are to join and when they are to stop