Which factor plays the most important role in determining population patterns in east africa?

Which factor plays the most important role in determining population patterns of East Africa? the variety of environmental threats East Africa faces. Identify a way the economy of East Africa is changing. Rising foreign investment from China, resulting in improved infrastructure and increased trade.

Explanation:

all fossil fuels are nonrenewable, so think coal, gasoline, things that we will eventually run out of. all fossil fuels are nonrenewable resources, but not all nonrenewable recourses are fossil fuels. these resources are not being renewed as fast as we are using them. i hope this considering there weren't any answer choices.