Blocking, covering, obscuring, hiding, concealing, veiling, shrouding, darkening, extinguishing, shading, dimming, declining, diminution, extinction, penumbra
Indigenous bookkeeping is also known as a "single entry system"
Answer:
Global life expectancy is the average age that people live to be. This is not a national life expectancy where we look only at one country and is on a global level. The industrial revolution impacted life expectancy by raising wages, living conditions. New technology was invented and many breakthroughs in sanitation were made.
