It’s in this uploaded file down below
With the recent technologies and scientific innovations we have now on studying and providing detailed analyses of the polar ice cores, it is roughly estimated that we could profile the ancient climate the Earth had in a time period as early as 800,000 years in order to explain the most recent climate change.
I think:
C. Small middle sections of the country
the answer is 4
the Panhandle, North Texas, South Texas, and West Texas.