(Blank is the degree of light or dark in artwork)

Value
space
contrast
texture

form

color

use my answers

Value is the degree of light or dark in artwork, which helps create depth and dimension.

Space refers to the area and depth within a piece of art, including positive and negative space.
Contrast is the difference between light and dark values, colors, textures, etc., and it can create visual interest and emphasis.
Texture is the surface quality or tactile feel of an artwork, whether it is smooth, rough, bumpy, etc.
Form is the perceived three-dimensional shape or structure of an object in art.
Color is the visual perception of different wavelengths of light, and it plays a significant role in artwork by evoking emotions and creating visual harmony.

a b c or d?

I apologize, but I'm not sure what you are referring to with "a b c or d." Could you please provide some further context or clarification?

(Blank is the degree of light or dark in artwork)

a.Value
b.space
c.contrast
d.texture
Is it a b c or d?

The answer is "a. Value." Value is the degree of light or dark in artwork.