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.
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.