Anyone know the answer?

Which of these pieces best illustrates the use of variety over unity? leonardo da vinci, study of human proportion: the vitruvian man laylah ali's untitled louise lawler's pollock and tureen auguste rodin's the three shades?

Igotta why is there only 2 semesters and 4 quarters and not 4semesters and 4 quarters? 1 quarter for each semester? ? is this a dumb question?

Name this sculpture the time period it was created during,and its purpose