Melissa is doing research on the lives of artists in different periods. Help Melissa complete a sentence that describes the technique of a well-known artist. is known to have used a camera obscura to study the subject of his
in great detail.

i believe the answer is: a.  abstract forms were often used to represent human figures.

representing human figures in abstract forms is often used in the geometric period, not hellenistic  period.   during the hellenistic  period,   aesthetic value derived from creating arts which mimic the actual shape of a certain object or individuals.

hope this ! < 3

i believe their role is to instruct certain sections on when they are to join and when they are to stop