When you carefully pick through the literature about the “aqualithic” era of North Africa, you’ll see that the uniformitarians say the lakes where now is the Sahara were all dried up by circa 1000 b. c., which of course jibes with the fact that hunting and gathering in a verdant environment evolved to herding and farming circa 1000 b. c. because the more limited resources were far better utilized in more centralized communities near the water which remained.
