Answer:
The esophagus is a long tube that connects the mouth to the stomach
Great Human minds that are driven by a passion to push forward have revolutionized the technology industry. People wanting to always see more and feel more drive development.
We explain this puzzle-piece-like build as proof of tectonic plate shifting. As magma inside the earth moves, so do the continental plates on top of the magma. The continents used to be fused together in one larger continent called Pangea. Over the course of 1000s of years, the plates have shifted.
tldr: tectonic plate movements cause this phenomena