Different colors express different moods, for example we often associate red with anger, blue with sadness. So the color can affect the mood set for you artwork. Also, in like abstract drawings it can help you because we often associate colors with certain landscapes.
Answer:
Authenticity
Authorship
Originality
Explanation:
In the terms of art history, appropriation is the practice in which the artists transforms some or the entire part of the art. The questions of originality, authenticity and authorship are raises in appropriation art. Appropriation artists are not listed under the act of stealing or plagiarizing. The art is presented in such a way that it brings the original art in associated to it.