Ghiberti's Gates of Paradise demonstrate the use of linear perspective to render illusionistic space in ____________

What architectural characteristic gives Great Zimbabwe its name?

A. the use of stone as a building material B. the ornamental stonework on buildings C. the technique of building without mortar D. distinctive conical thatch roofs

Frequency of sound is measured in:

a. hertz. b. amplitude. c. decibels. d. ohms.