What were the characteristics of warfare during world war 1

The approach that contends psychology must study internal mental events in order to fully understand behavior is:

For your college application of all the following except a: standardized test score b: middle school grade c: high school courses taken d: high school grade

What is the chain of custody? a. a list of all people who had possession of the evidence b. a barrier that keeps unauthorized people from the crime scene c. a list of people who are on the crime scene d. a document that identifies the crime that the evidence came from