In like-minded groups, people tend to be more extreme in their opinions. This concept is called .

The physical feature that makes up part of the border between canada and the united states is the

The cause and events that led to civil rights

Amaster's degree candidate needs to conduct a research project for her master's thesis. she is interested in the types of junk food available to the public. she plans on going to the local convenience stores and asking the owners what types of junk food the store normally stocks and which are the biggest sellers. identifiers will not be collected. this study would fall under which of the following? a. expedited review b. exempt review c. full board review d. not human subjects