The ocean surrounded the continent like a moat.
Comets are like siege missiles hurled by an unknown enemy.
Over the centuries comets and the terrific storms which have been hitting the land mass
eventually broke up the continent into smaller continents.
(Hint: Get a really good wall map of the world and look at the continents. If you bring them close together on the map they fit together as if they were once joined. See how South America fits together very well with Africa and the east coast line of North America comes together with Europe like a missing puzzle piece ?)
At first the continents were like towers because the force of some of these space missiles made a mess of the continent. The Grand Canyon appears to have been split wide open.
Eventually, the fragmented continents got flattened. People built towers.
According to the Bible, on one continent a tower was erected called the Tower of Babel. (Genesis 11:1-9)
All these super intelligent men tried to figure out their world
and all the time they had it right,
they just couldn’t see what was on the other side of all their knowledge.
Try as they might they could only fathom the natural world as they knew it.
The name of the Lord is a strong tower. The righteous run into the tower and are saved. (Proverbs 18:10)
There is no time to analyze the tower or the heavens.