I have no clue you should ask Google
The answer is B hope this helps
The answer to this question is value. The degree of lightness and darkness of a material is called its
value. <span>This is an important tool for designers / artists in a way to define forms and create fantasies of space. <span>The
value contrast separates the objects in space, and the gradation of
values indicates the mass and contour of the continuous surface.</span></span>
