Alfred Wegener produced evidence in 1912 that the continents are in motion, but because he could not explain what forces could move them, geologists rejected his ideas. Almost 50 years later Harry Hess confirmed Wegener's ideas by using the evidence of seafloor spreading to explain what moved continents.
For their crops. Some plants need a lot of water to strive so yea..
I think that they all died of a natural disaster, such as a hurricane or flood since they were very close to the water.
The Ancient Greek purposed the world was composed of atoms.
