Which characteristics is used to group artworks into periods or styles?

What is the smoothness of the hand’s flow while playing an instrument called?

Which statement about roman art is true? a. roman art matured during the hellenistic era in which the refinement and restraint seen in greek art had given way to dynamic poses and strong emotions. b. the romans believed in showing idealized portrayals of the human body as characterized by the elegance seen in the statue venus de milo. c. the romans always portrayed their emperors as powerful, absolute rulers as seen in the colossal head of constantine.

Answer the question in the image! i just need 4s answer but is 3 is wrong correct me uwu