Many say that the separated continents of the earth could not have been populated within centuries after Noah’s Flood when the progeny of the eight who survived, listed in the Table of Nations in Genesis 10, spread out over the earth after the Tower of Babel confusion of the languages, but with a little simple arithmetic, you’ll see that the biblical template fits very nicely, the logistics comporting with what we know about the ancient world, the people groups having spread out rapidly
The Table of Nations, the names of people groups and languages, truly is the template for the populating of the world during the Ice Age which followed Noah’s Flood, absolutely plenty of people having descended from the eight who survived on Noah’s Ark. Presuming each couple had ten children (they could have had forty or fifty kids considering their great longevity in those first few generations after the Flood), by the time of the Tower of Babel, perhaps 150 years after the Flood, there were around 10,000 people, five or six generations by then born after the Flood.
And so at that rate of population growth by the time of Abraham circa 2000 b.c., ten generations after Noah, there were millions of people on earth, at the peak of the Ice Age, which later ended circa 1500 b.c. at the time of Moses. So how were the distant continents from the Middle East settled within only centuries, civilizations such as of the Olmecs in Mexico, and of the people of Yonguni, Japan, their megalithic ruins submerged there since the end of the Ice Age? They measured the earth by its wobble rate http://genesisveracityfoundation.com/earth-measure-geometry, fully able to navigate and settle the whole globe quickly.