Alfred Wegener
PRESENT DAY
WATCH “SUBDUCTION”
Reconstructing   Plate Motions:The Continental Fit
A volcano forms when magma beneath the Earths crust forces its wayto the surface. Alternating layers of solidified lava an...
5 theories
5 theories
5 theories
5 theories
5 theories
5 theories
5 theories
5 theories
5 theories
5 theories
5 theories
5 theories
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5 theories

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5 Theories on the Origins of Continents, etc...

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5 theories

  1. 1. Alfred Wegener
  2. 2. PRESENT DAY
  3. 3. WATCH “SUBDUCTION”
  4. 4. Reconstructing Plate Motions:The Continental Fit
  5. 5. A volcano forms when magma beneath the Earths crust forces its wayto the surface. Alternating layers of solidified lava and pyroplasticmaterials build up the typical shape of a volcano as they are ejectedthrough the central vent during eruptions.

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