It is also said that he thought that the rectangular chambers looked like the cells in some monasteries. Physically cells always have a boundary membrane, a little like a polythene bag encloses contents within it. Inside the space limited by the membrane there is an remarkable chemical processing unit.
Iceland is a place where, because of large amounts of lava extrusion, the ocean floor is, in effect, above sea level, making it easy to study ocean floor spreading. You can affix strain gauges on many parts of the spreading ridge. 6 people found this useful.
ANSWER: The theory of seafloor spreading provided the missing mechanism for producing plate motion, incorporating both continent and ocean crust into the plate motion. 4. Explain how magnetic anomalies recorded in oceanic crust as well as the sediments deposited on oceanic crust confirm the seafloor spreading theory.