In art, what does value refer to? a. the difference between one visual extreme and another, such as light and dark or smooth and textured b. a color's brightness or dullness, as well as shadows and contrasts created with color c. the combination of a color with black to make it darker d. the combination of a color with white to make it lighter

the answer is b) A color's brightness or dullness, as well as shadows and contrasts created with color

based on the images pictured above, the major difference between the two cathedrals: the cathedral of notre dame and the amiens cathedral, is that the cathedral of notre dame emphasizes the horizontal lines while the amiens cathedral emphasizes the vertical lines.