In the 1930s, the introduction of modern film emulsions created cameras that
a.
recorded moving pictures, using projecting film.
b.
used modern film emulsions and sound.
c.
used 35mm film that was rolled into wheels and cranked through while they were recording.
d.
incorporated lighting an compositions into cinematography.

hard bop is an extension of bebop that was kind of interrupted by the cool sounds of west coast jazz. it experienced its revival in the 1990’s.

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.

so a and d are wrong right off the bat. i'd go for c. hope i !

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