What are the three kinds of perspectives that geographers use to look at the world

What is the primary justification of the hypothesis that the early earth environment was void of oxygen? ( 2 points) data showing the concentrations of gases extracted from rocks fossil evidence regarding the origin of eukaryotes generally accepted atmospheric conditions molecular evidence based on evolutionary traits.

How does population distribution reflect a particular region’s economy?

It is reasonable to assume that nations with a low total fertility rate (tfr) and a modest amount of population growth are in