The sea can act as a temperature regulator because it takes in heat energy in the summer but the land can’t do that (the suns rays are mostly reflected) so temperature isn’t kept as constant
Often, waterfalls form as streams flow from soft rock to hard rock. This happens both laterally (as a stream flows across the earth) and vertically (as the stream drops in a waterfall). In both cases, the soft rock erodes, leaving a hard ledge over which the stream falls
This is true, Columbus came to the new world in 1492, and from then on, more people migrated to the new world.