The graph shows how the seafloor of the Atlantic Ocean varies with depth. Why was this picture surprising to scientists before Harry Hess? How does this graph support the hypothesis of continental drift?

Transcribed Image Text:

Water depth in meters Elevation in meters 2000 1000 1000 2000 3000 4000 5000 6000 Slope Rise North 1000 America Ocean surface Europe 0 Continental Atlantic Ocean Continental shelf Shelf 1000 adors Rift valley Rise 2000 3000 4000 Underwater Mid-Atlantic mountains 5000 Ridgel Underwater mountains Ocean floor 2000 Water depth in meters Elevation in meters