Chaco Canyon, in modern-day New Mexico, is almost 600 miles from the Gulf of California and the Pacific Ocean. What does the presence of California seashells in archaeological digs tell us about the people who lived in Chaco Canyon 1000 years ago? (Choice A) A They used seashells to temper their pottery (Choice B) B Their empire extended to the Pacific Ocean (Choice C) C They had elaborate trade routes with societies that lived on the coast

Agraduate student wants to examine the effect of print media versus televised media on individuals’ position on several social issues. the superintendent of a local work release facility, a family friend, will allow the graduate student access to the prison population to her quickly accrue subjects. the student’s irb should: approve this project since the risk appears to be no > minimal. not approve this project because the prisoners are merely a population of convenience for the student. approve this project since the superintendent is the ultimate authority on what happens in his facility. approve this project but submit it for federal review.