Stylistically the christ as good shepherd mosaic from the mausoleum of galla placidia at ravenna is

It is "still deeply rooted in the classical tradition".

The Mausoleum of Galla Placidia is a Roman structure in Ravenna, Italy. In the year 1996 it was recorded with seven different structures in Ravenna On the World Heritage List. The UNESCO specialists depict it as the oldest and best protected of mosaic landmark, and in the meantime a standout among the most creatively perfect.

i would say b. research typically uses a variety of sources

i believe

clean air is essential for health and survival

clean air provides nitrogen gas for plant respiration

clean air supplies oxygen that enables living organisms to breathe

hope this

i am brianly

sorry if this doesn't