How are representational, abstract, and nonrepresentational artworks different? choose all answers that are correct.
a.
representational artworks look realistic; abstract and nonrepresentational artworks do not.

b.
representational and abstract artworks display real objects; nonrepresentational artworks do not.

c.
nonrepresentational and abstract artworks display real objects; representational artworks do not.

d.
non representational artworks look realistic; abstract and representational artworks do not.