Look at the picture! please help!

What should you do before editing a photograph? tag the photo. filter the photograph. change the iso setting. save a back up copy.

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

How did the scholars date the mosaic?