History

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Across
  1. 4. a period of 100 years
  2. 6. the study of Earth
  3. 9. the amount of a good or service
  4. 11. the amount of something that a consumer wants
  5. 12. a written work or visual representation by people who were not part of the historical event
  6. 13. plant and animal remains that have been preserved in the Earth's crust
  7. 16. firsthand evidence of an event in history
  8. 19. the study of objects to learn about past human life
Down
  1. 1. the study of fossils to learn what the world was like long ago
  2. 2. a period of 10 years
  3. 3. a good sent from one country to another in trade
  4. 4. the order in which events happen
  5. 5. the study of the past
  6. 7. a historical period
  7. 8. the study of human cultures and how they develop over time
  8. 9. the principle that there are not enough resources to meet everyone's needs and wants
  9. 10. half the Earth
  10. 14. a good brought into a country from another country
  11. 15. an object made by people
  12. 17. the study of how individuals and nations make choices about how to use resources to meet their needs and wants
  13. 18. the study of human relationships and society