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Geography Ch 1 Lithosphere – I Endogenetic Processes — Social Science STD 9 — Question

Tamilnadu BoardEnglish MediumSTD 9Social ScienceGeography Ch 1 Lithosphere – I Endogenetic Processes2 Marks
Question
Define Plate tectonics.
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Answer

  1. The lithosphere is divided into a number of huge slabs of rocks called ‘Tectonic Plates’.
  2. These tectonic plates are divided into major and micro plates.
  3. These plates float independently over the mantle.
    What are seismic waves and mention its types?
  4. Collisions of these plates produce mountain ranges and other irregular surface features, both on land and the ocean floor.
  5. This phenomenon is called plate tectonics.

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