Geography Crossword

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Across
  1. 2. molten rock generated by geothermal energy
  2. 3. Mountain formed mainly by the effects of folding on layers within the upper part of the Earth's crust.
  3. 5. igneous rock formed from lava exposure
  4. 8. volcanic regions thought to be fed by underlying mantle
  5. 10. the upper layer of the earths mantle
  6. 11. drift the theory that the Earth's continents have moved over geologic time
  7. 12. the shaking of the surface of the earths crust
Down
  1. 1. hot fluid within the earth's crust
  2. 4. plate boundaries that usually push up against each other
  3. 6. the bottom layer of the earths mantle
  4. 7. a plate boundary where plates slide past each other in opposite directions
  5. 9. a super continent that existed long ago