Rchaeologists collect information from _ a. oral histories
b. artifacts and ruins
c personal interviews

In order to accurately determine absolute time, you need to know which of the following?

This schedule shows the opportunity cost of producing doughnuts, bagels, and croissants. refer to the schedule and use the drop-down menu to answer each question. on day 2, raj makes 70 more bagels than on day 1. what is the opportunity cost of producing 70 more bagels? on day 3, raj makes 50 more croissants than on day 2. what is the opportunity cost of producing fifty more croissants?

One way in which the european union encourages trade among countries is through the use of