1. Humans made tools from metal in the Paleolithic Age. true or false
2. The first civilizations started in the mountains of Asia.
true or false
3. Humans invented the bow and arrow in the Bronze Age.
true or false

please help me with these 3

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.