20. violet, orange and green are what type of color harmony?
a. tetradic b. complimentary c. split compliment
d. triadic
e. primary

i got this answer from a really friend, and it was right.

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artists need to create a realistic interpretation so that people in general can relate to the artwork. for a common people, an artist's impression gets increased only if he can create something which would look realistic. an abstract is difficult for a common people to understand whereas if a person can draw a girl with simple pencil sketch and if that looks like a real figure then the latter will be praised more than the former.

correct answer is b "write as much as you can about the subject so you might earn extra-credit points"