An original document containing the observations, ideas, and conclusions of an individual. It is a firsthand account presented by someone present or actively participating in the event. Examples include manuscripts, photographs, oral histories, and personal journals.

What are objects called that have value in and of themselves as well as value as a means of exchange? custom commodity money currency simple money

Which of these is the best example of a cause-and-effect chain of events? 1. alonzo went to the music festival. 2. carmen went to the same music festival. 3. alonzo met carmen at the music festival. 1. yosef bought a new car from a dealership. 2. bailey bought a car from the same dealership. 3. bailey paid more for his car than yosef did. 1. the high school football team played a game on friday night. 2. the drama club put on a play on friday night. 3. maya watched the football game instead of the play. 1. a fast food restaurant ran an advertisement on television. 2. hank saw the advertisement and got hungry. 3. hank went to the fast food restaurant and bought food.

Roman builders used rows of arches in there buildings to form a curved ceiling called what