Question

what primary element of light helps the observer see three - dimensions?
a. intensity c. color
b. hue d. shading
please select the best answer from the choices provided
a
b
c
d

Explanation:

Shading creates variations in light and shadow on objects, which the brain interprets as depth, allowing perception of three-dimensional form. Intensity, hue, and color do not primarily convey 3D structure in this way.

Answer:

d. shading