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.

Im giving free points and brainiest to whoever gets here first lol

Artworks made to be used in a ritual context often have what kind of meanings in addition to their appearance and visual impact?

Nstrumental music that supports the main part(s) chamber music 2. a large group of instruments usually including woodwinds, brass, and percussion band 3. music written for small ensembles for an intimate setting accompaniment 4. a person who leads an ensemble conductor 5. an electronic keyboard capable of multiple instrument sounds