Subjects

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Across
  1. 3. advertisement
  2. 6. weather, mountains, sea
  3. 9. graphs & charts
  4. 10. study the past
  5. 11. study the society
Down
  1. 1. boss
  2. 2. CEA1
  3. 4. CO2, H20
  4. 5. work with number
  5. 7. Albert Einstein
  6. 8. plants & animals