When CO2 levels were 8 times higher, we had giant mammals and humans, and many historical texts referencing that time period matter of factly state the ages of people living for hundreds of years, including the Old Testament. Our cranial volume was also 30% larger than modern humans.
When CO2 levels were 8 times higher, we had giant mammals and humans, and many historical texts referencing that time period matter of factly state the ages of people living for hundreds of years, including the Old Testament. Our cranial volume was also 30% larger than modern humans.