Question

the image above entitled self portrait with two pupils is an example of an artist use of

1. encaustic
2. mixed media
3. liquid media
4. artistic tools ​

Answer 1

4. artistic tools i would say

Answer 2

3. Liquid Media

In this work the artist used oil paint which is a liquid medium. Liquid media is defined as media made from pigments (like mineral salts) mixed with a liquid binder (in this case is oil).
Good luck to you :)