We have to deduce a physical process by which a solid ball of stratified sediment, the Earth at the end of the second day, is formed into a hollow sphere with a hydrological system by the end of the third day.
The Potter’s Hand
The Great Deep
The deep and the great deep are both translated from the same Hebrew word, tehom. The difference signifies a transition from the deep where Earth was created to when the great deep is in the interior of the Earth.
The Antediluvian World
A word that ties together a developing theory for the interior of the Earth is tehom, the deep. The deep is first mentioned in Genesis 1:2 as a body of water which predates creation.
Formed: יֹצֵ֨ר – yatsar
Part of the meaning of the word translated as "formed" is pictured by how the potter's hand shapes a hollow vessel from a solid lump of clay.
March 8th
During the third day Earth's surface rose out of the ocean at Rosh, the beginning. The ocean drained into Earth's interior through the fountains of the deep, which were then sealed somehow.