The height of the dome at Hagia Sophia (9-5, 9-9) is made possible by what Byzantine architectural device transferring the weight from the dome to the piers beneath rather than the walls? a. the arch
b. the pendentive
c. the column
d. the post and lintel

Rah is completing a school project on the expansion of fast food restaurants across the united states. she finds a map that shows a clear pattern of restaurants beginning in the east and expanding west. this map was most likely created using the technology of