How does this image illustrate a contribution of the Byzantine Empire?

Question

anonymous · Answer

What image?

anonymous · Answer

Its hard to reply without the image :p

anonymous · Answer

Photo shows a detailed portrait of a robed figure surrounded by a halo. The portrait is made up of many small tiles.

How does this image illustrate a contribution of the Byzantine Empire? 

 It is an example of sophisticated mosaic art commonly found in Byzantine structures. 

 It is an example of realistic paintings commonly found in Byzantine structures. 

 It shows how the Byzantines used art to call attention to social issues. 

 It shows how the Byzantines used art to depict everyday life and common people.

anonymous · Answer

a.  It is an example of sophisticated mosaic art commonly found in Byzantine structures.