What are some open ended question about the Prehistoric era or the Mesopotamian Era?

for those of you who searched "which list includes four types of animal-like protists? " and keep getting these results, the answer is c: flagellates, sarcodines, ciliates, parasites

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.

points

explanation: