What was the main goal of Justinian as emperor? A. to defeat the Roman empire
B. to protect the Byzantine empire from Muslim invaders
C. to spread Orthodox Christianity
D. to regain Roman lands that had been conquered

Below is a description of a resource that you're considering using for a research paper. as you read the description, keep in mind what you've learned about historical thinking skills and use those skills in evaluating whether or not to use the source.

The social contact theory states that

Which features are created on the exterior of a volcano when it erupts? check all that apply. vent crater hot spot lava flow boundary