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
I have no clue you should ask Google
It helps you carry the tool box
Answer:
This artwork is called the Raft of the Medusa, painted by Géricault
Explanation: