In the central image of all Mithraic art, what is the central character doing?

Roman portrait busts differed from the Greek versions they imitated by being …?

The only building in Rome that still has an intact dome (pictured below) is …?

The Roman Empire never called itself an “empire”–the official term was …?

In 509 BCE, the Romans overthrew their last king and established a form of government called a … ?

James Hutton, the father of geology, put forth the principle of ________.

The only sequence to deposit sediment during the Cenozoic was the ________.

Based on the figure, what is the age of layer 7 relative to layer 3? 

Which statement best summarizes the development of the geologic time scale? 

Which of the following orogenies occurred in western North America?