Some of the oldest surviving paintings were made on ____

Inspired by the works of Mies van der Rohe, Philip Johnson's Glass House is a satisfying construction of:

a. elegant materials. b. subtle proportional relationships. c. pure geometric form. d. all of these. e. none of these.

Which of the following is a structural system that consists of horizontal beams and vertical supports?

a. Post-­??and-­??lintel b. Cantilever c. Arch d. Suspension