auto, bio, geo, graph, meter/metric, therm

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Across
  1. 3. materials that can be broken down by living items.
  2. 4. pertaining to the earth's heat
  3. 7. the study of the earth's rocks and various layers
  4. 8. the study of the earth's measures in shapes and sizes
  5. 10. the study of life
  6. 12. self signature
  7. 13. the study of a regions land forms, climate and people
  8. 14. self operating
Down
  1. 1. one who studies and creates maps
  2. 2. A story written about one's life by oneself.
  3. 5. a machine that runs on its own.
  4. 6. a device that measures the air temperature
  5. 9. a life story
  6. 11. a device that measures the miles a car has traveled