Vellum is the correct answer i believe
Not sure what graph you’re talking about but i know that when you play an instrument the pitches are different regarding the note and tone you play
Here ya' go? A really bad doodle brought to you by me. Hope this helps? (Just trace it if you need to, I really don't care)
This beautiful altarpiece is by the Italian Renaissance painter Carlo Crivelli. It represents the Madonna and Child enthroned with Saint Jerome and Saint Sebastian.
The picture of the two bird i had this question on my art test are you in k12