Andrew Poris

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Across
  1. 3. a circle with a lot of Volcanoes
  2. 5. a large natural elevation of the earth's surface rising abruptly from the surrounding level; a large steep hill.
  3. 7. is a three-dimensional surface or zone across which there is a significant change in the velocity (speed or direction) of motion of one lithospheric plate relative to the adjacent lithospheric plate.
  4. 10. the bottom the ocean.
  5. 11. something changes into something else.
  6. 12. a planet with life on it.
Down
  1. 1. relating to the structure of the earth's crust and the large-scale processes which take place within it.
  2. 2. A mountain with magma in it.
  3. 4. A Fault in California
  4. 6. The Continent with the USA on it.
  5. 8. Parts of the earth
  6. 9. The Continent with Brazil on it