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Type: Multiple-Choice
Category: Tectonics
Level: Grade 6
Score: 2
Author: lorange
Last Modified: a year ago

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Tectonics Question

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Grade 6 Tectonics

The theory that Earth's upper layer is divided into plates that are moving at a slow and steady speed.
  1. subduction
  2. plate tectonics
  3. deep-ocean trenches
  4. seafloor spreading