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.
Art history
should be changed to
Art History
The correct answer to this question is reliable which is the adjective. An adjective is a descriptive word used to describe objects, nouns, people and things.
I bought a car from a reliable salesperson.
Reliable is the adjective because it is describing the salesperson in this sentence.
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