(o)logy practice

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Across
  1. 2. the science of the heart
  2. 4. the study of the human mind
  3. 8. the study of ancient artifacts
  4. 11. the study of zooz
  5. 12. the science of living things
Down
  1. 1. the study of words
  2. 3. the study of the ocean
  3. 5. the study of skin
  4. 6. the study of organisms and their surroundings
  5. 7. the study of fossils
  6. 9. the study of crime and criminals
  7. 10. the science or study of Earth