Answer:
How was Giotto's ability to show depth different from more traditional methods? He did not rely on the traditional method of an architectural framework. ... Giotto's work made a great impact and paved the way for new and artistic innovative change, and most of it was located in the Chapel.
1= form and light
2=depth
refer to these websites for more info on both illusions
1- thevirtualinstructor.com/hatchingcrosshatching.html
2- www.udel.edu/artfoundations/beg_paintingtechniques.html
Usually 1 referee and 2 referee assistants. Hope this helps!
C. Implied line is correct
I hope that helps u! :)