by the end of the Shang dynasty the Chinese had developed a form of writing in which each character represented a

What period of history refers to the time when people did not have written records

The following force measurements were taken during actual testing of the lever pictured. what is the ama of this lever?

Mankiw attributes – chapter 1 and his 10 principles – differences in living standards within a countryover time and across countries at a moment in time to: a. the presence or absence of inflation and unemployment. b. the allocation of resources between private markets and the public sector. c. those that have dealt successfully with the efficiency v. equality tradeoff and those that haven’t. d. differences in productivity. e. ones that think at the margin and respond to incentives and those that don’t.