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Type: Multiple-Choice
Category: Oceanography and Hydrology
Level: Grade 7
Author: b_hernandez2
Last Modified: 6 years ago

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Oceanography and Hydrology Question

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Grade 7 Oceanography and Hydrology

Which is not a process of seafloor spreading?
  1. only the continents drifted across the ocean floor
  2. the molten material spreads out and pushes older rock to both sides of the ridge.
  3. molten material erupts through the mid-ocean ridge
  4. continually adds new material to the ocean floor.