Dynamic Earth Review

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Across
  1. 2. Underground sources of water
  2. 4. Came up with the idea of plate tectonics
  3. 5. Process that creates volcanoes
  4. 8. Landform created by divergent boundaries
  5. 10. The outermost layer of the Earth
  6. 11. A gas that makes up about 20% of the atmosphere
  7. 13. Always goes down as altitude increases
Down
  1. 1. A type of plate boundary
  2. 3. Location of a famous transform boundary fault
  3. 5. Almost all water on Earth is this
  4. 6. The process of water moving through soil
  5. 7. A gas that is depleting the ozone layer
  6. 9. The part of the atmosphere that stops space objects from hitting the Earth
  7. 12. The process where solids turn directly into gas