Answer:
Core samples and Tree rings
Explanation:
Very early societies did not have a written language or ways to efficienly preserve information over time
True. In Western and Central Africa, the lifetime risk of maternal death is 1 in 17.

Factors Affecting a business cycle:
- Business Investments
- Consumer Expectations
- External Shocks
- Intrest Rates
Answer:
a.
Explanation:
Per capita GDP is often analyzed alongside GDP. Economists use this metric for insight on both their own country's domestic productivity as well as the productivity of other countries. Per capita GDP considers both a country's GDP and its population.