15 points computer literacy the range a2: a4 has how many cells -2 -4 -6 -8

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What does 21 pilots middle aged name as a band 15 years prior to them naming their band 21 pilots?

Why were most movies from the late 1890s until the early 1930s only filmed in black and white? there were only a few people who could afford the technology to produce color motion pictures back then. audiences did not want color motion pictures until later. the film used to make color motion pictures often overheated, which was a safety hazard, so it was generally not allowed. color films had to be hand-colored, frame by frame.