Were Aboriginal Australians Hunter-Gatherers?

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Across
  1. 2. in a way that shows determination or resolve.
  2. 4. an expert in the study of human societies, cultures and their development.
  3. 6. higher in rank, status, or quality.
  4. 9. a settler in or inhabitant of a colony.
  5. 10. involving many carefully arranged parts or details; detailed and complicated in design and planning.
  6. 11. harmful to someone or something; detrimental.
  7. 13. not staying same throughout.
  8. 14. to obtain food or or other things by searching.
  9. 15. to supply water to land or crops to help growth.
  10. 17. an amount of something left over when requirements have been met; an excess of production or supply.
  11. 18. of very great extent or quantity; immense.
  12. 20. send settlers to a place and establish political control over it.
Down
  1. 1. a member of nomadic people who live by hunting, fishing and harvesting wild food.
  2. 3. an impressive display or range of a particular type of thing.
  3. 5. relating to the part of the world that does not include the countries of western Europe and North America.
  4. 7. preconceived opinion that is not based on reason or actual experience.
  5. 8. to deny the truth of a statement by asserting the opposite.
  6. 12. to be refined and well educated.
  7. 16. a thing that is accepted as true or as certain to happen, without proof.
  8. 19. detailed examination of the elements or structure of something.