How did Wegener's idea challenge the concept of fixed continents?
Wegener's main contribution was treating continents as mobile. Exam tip: mention geological time.
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SubjectsGeography
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Wegener's main contribution was treating continents as mobile. Exam tip: mention geological time.
View question detailsWegener mainly emphasized coasts rocks fossils and palaeoclimate clues. Exam tip: keep modern evidences separate.
View question detailsPangaea reconstruction visualizes the old connection of separated continents. Exam tip: treat it as a model of the theory.
View question detailsWhen different types of evidence support one conclusion the answer becomes stronger. Exam tip: use a multi-evidence approach.
View question detailsA correct answer should balance contribution and limitation. Exam tip: do not write only criticism.
View question detailsEvidence across southern lands strengthens former Gondwana connection. Exam tip: connect southern evidences with Gondwana.
View question detailsAn expert answer needs critical discussion along with facts. Exam tip: include both evidence and limitation.
View question detailsThe main reason for rejection was not evidence but weakness of mechanism. Exam tip: write this as the major reason.
View question detailsIt is good to write visual clue first and then stronger geological biological climatic proofs. Exam tip: present evidence in order.
View question detailsWegener's ideas prepared the ground for later plate tectonics. Exam tip: write both incompleteness and influence.
View question detailsWegener's core idea was long-term mobility of continents. Exam tip: do not treat the present map as permanent.
View question detailsMargin matching shows the possibility of an old united landmass. Exam tip: write it as visual evidence.
View question detailsContinental shelf represents the hidden continental part below sea level. Exam tip: treat shelf fit as stronger basis.
View question detailsPanthalassa was considered the vast ocean around Pangaea. Exam tip: keep Pangaea and Panthalassa separate.
View question detailsSediments of the Tethys region are considered important in later compressional mountain building. Exam tip: connect Tethys with the Himalayan background.
View question detailsSimilar glacial deposits indicate an old united southern landmass. Exam tip: treat tillite as palaeoclimatic evidence.
View question detailsStriations show the direction in which the ice sheet moved. Exam tip: call striations directional evidence.
View question detailsMesosaurus fossils occur on separated coasts but ocean crossing is considered unlikely. Exam tip: mention both distribution and habitat.
View question detailsGlossopteris plant fossils show old biological relation of Gondwana. Exam tip: write it as plant fossil evidence.
View question detailsSimilar age and structure indicate an old connected landmass. Exam tip: write it as geological evidence.
View question detailsQUIZ COMPLETE