A(n) _____ is a data validation rule that is used for applying to mandatory data items.

After the unification, egyptian history is divided into __________.

Alexandre cabanels birth of venus is an example of a(n) ________ painting.

Alfred stieglitz was the chief proponent of european modern art in __________.

All of the following are common themes in french rococo painting except _____.

Constantine placed the earliest public christian churches at the outskirts of rome to ____.

The central tone around which a musical composition is organized is called the ______.

The _______ is a pair of single-headed drums played by one performer, popular in north india.

The _______ is a keyboard instrument that uses vibrating air columns to produce sound.

Telegraphy remained the major technology for intercontinental communication well into the ________.

The ________ is the walkway directly in front of a church that serves as the entry porch.