Answer:
it is a process broken up into clear steps that lead to conclusions. Research is organised because there is a planned structure or method used to reach the conclusion.
The lever on a lighting control console that simultaneously dims all the channels from one cut to the next is a crossfader.
A crossfader can be defined as a control on a DJ mixer that allows the mixes to be created, so nowadays is a very basic tool.
The crossfaders became common in the '70s when they were used by the DJ to make mixes.
Does it take you by interest and are you willing to put a little more information for that topic.
The answer is C. to prove
D in my opinion but I’m am truly sorry if you get it wrong