The different regions in africa affect where people live?

This exchange of skills and ideas greatly advanced Africa's cultural landscape, especially in the eastern, central, and southern regions of the continent. Today, most of the population living in these regions is descended from Bantu migrants or from mixed Bantu-indigenous origins.

productive most commonly means: achieving or producing a significant amount or result.

explanation:

productive can also mean:

these depend on how the word productive is used. most likely productive will mean   achieving or producing a significant amount or result.