The correct answer is dehydration. Hope this helps.
The ileocecal valve prevent the back flow of materials from the large intestine to the ileum of the small intestine.
Answer:
"Alfred Wegener suggested that continental drift occurred as continents cut through the ocean floor, in the same way as this icebreaker plows through sea ice. ... The supercontinent later broke apart and the continents having been moving into their current positions ever since. He called his hypothesis continental drift."
