Question

Cross-hatching provides an illusion of various ______(1)_______, while impasto provides an illusion of ______(2)_______.

Answer 1

The answer is "d. (1) values; (2) depth".

Cross-hatching provides an illusion of various "values", while impasto provides an illusion of  "depth".



Cross-hatching refers to a technique which is used to make a sense of thickness or density by covering lines, and impasto is a strategy used to make a sense of depth through thickly connected paint, regularly so one can see the brush strokes. An artist may choose cross-hatching over impasto to make different qualities or degrees of gentility and darkness.And may choose impasto over cross-hatching to accentuate depth or dimension to a work of art.

Answer 2

Values and depth 
www.udel.edu/artfoundations/beg_paintingtechniques.html 
thevirtualinstructor.com/hatchingcrosshatching.html