African masks were made from many different materials, depending on the culture. Which BEST explains why this was the case? Art in 3D requires different materials than 2d art.

Every culture wanted to be unique and create distinct masks.

Cultures used whatever materials could be found in their region.

Masks were the only element that allowed cultures to express themselves.

melody. a series of single tones which add up to a recognizable whole is called a what kind of layers of sound are heard melody or harmony. how many layers

photography had emerged as an elite art pursued by a few creative individuals for a few wealthy patrons. but now, said bauldelaire, it was succumbing to "the great industrial madness of our times." it was becoming a mass production industry that catered to middle-class tastes, including a taste for gadgetry. the stereoscope, the first 3d imaging system, had turned looking at photographs into parlor entertainment. a "thousand hungry eyes were bending over the peepholes of the stereoscope as though they were the attic-windows of the infinite.