What is the degree of lightness or darkness of a material is called its A. Saturation
B. Value
C. Color
D, None of the above

The degree of lightness and darkness of a material is called its value. This is an important tool for designers / artists in a way to define forms and create fantasies of space. The value contrast separates the objects in space, and the gradation of values indicates the mass and contour of the continuous surface.

Explanation: Which is D

a.   it resulted in widespread unemployment.

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