How does this image show a unique quality of Byzantine culture?

1. The mosaic portrays Jesus
2. The mosaic uses colorful tiles.
3. The mosaic is a realistic image.
4. The mosaic depicts Jesus with a golden halo.

The correct answer is:

4. The mosaic depicts Jesus with a golden halo.

This image shows a unique quality of Byzantine culture as the use of halos to represent holy figures was a common characteristic of Byzantine religious art. The halo symbolized the divine nature of the figure depicted and was a way of emphasizing their holiness and spiritual significance.