What is an eighth note?
A. a pitch
B. an octave
C. a double note
D. unison

An eighth note or a quaver is a musical note played for one eighth the duration of a whole note, hence the name. This amounts to twice the value of the sixteenth note

Explanation:

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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.