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Geography

Post-drift studies and Convectional Current Theory

In Class 11 Geography, this topic from “Distribution of Oceans and Continents” examines how later studies developed and evaluated the continental drift idea. Students review evidence such as matching coastlines, fossils, rock formations and past climates, while also considering the limitations of Wegener’s explanation. The Convectional Current Theory is introduced to explain how heat-driven currents within the mantle could move large crustal blocks and help account for the changing arrangement of oceans and continents.

Medium · Level 7 · 1 questions

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  1. Earth's surface is completely immobile
  2. Earth's outer surface is mobile in the form of plates
  3. Oceans are formed only by rainfall
  4. Continental shape has no importance

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