Geography
Continental Drift Theory and its evidence
Practice questions
Why are continental shelf edges considered a better basis for matching than shorelines?According to Wegener the basic continental material was associated with which term?In Wegener's view the oceanic base material was related to which term?Why did continents ploughing through sima become a subject of criticism?Pole-fleeing force was mainly linked with which cause?Why was tidal force considered an insufficient cause of continental drift?What is the correct relation between geographical fit and geological fit in Wegener's evidence?What is the importance of Mesosaurus being associated with freshwater in the evidence?What is the main importance of Glossopteris fossils in Gondwana evidence?Study of the direction of ancient glacial striations helps understand what?Tillite is considered which type of evidence in support of continental drift?What does evidence of Carboniferous glaciation in Gondwana landmasses indicate?How should the role of the Tethys Sea in Wegener's theory be understood most correctly?What was the basic difference between Panthalassa and Tethys?The division into Laurasia and Gondwanaland was part of which larger idea?Similarity of rock structure between Africa and South America strengthens which conclusion?Why are placer deposit examples included among Wegener's evidences?What is the importance of same-aged rocks for Wegener's theory?If identical fossils and similar rock sequences are both found on two continents why does the evidence become stronger?In Wegener's theory the widening of the Atlantic Ocean was linked with which idea?