Please help I don't know the answer

The alberti bass is a type of played in a broken triad pattern of root-5th-3rd-5th. melody accompaniment instrument rhythm

Brancusi's well-known sculpture of a bird was intended to a. display the physical qualities of a bird. b. emphasize the relative size of birds to humans. c. show the calming attributes of birds. d. emphasize the graceful qualities of a bird. select the best answer from the choices provided a b c d

Is the name that historians use for the time period beginning around 476? a. baroque b. rococo c. the renaissance d. the middle ages