C. an extreme lighting effect in which figures emerge from darkness into bright light.
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Abstract art has its origins in the 19th century. ... During the four or five years preceding World War I, such artists as Robert Delaunay, Wassily Kandinsky, Kazimir Malevich, and Vladimir Tatlin turned to fundamentally abstract art.
Answer:
To show others that he is interested in maths and science, not only in art.
Explanation: