Crossword on unit linked words

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Across
  1. 4. The study of human history through excavation and artefacts.
  2. 5. An advanced stage of human society with culture and government.
  3. 6. Something handed down from the past.
  4. 7. Traditional practices or usual ways of behaving.
  5. 9. Very old; belonging to the distant past.
  6. 10. Objects made by humans, typically of cultural or historical interest.
Down
  1. 1. A system where people are ranked by status or authority.
  2. 2. The act of digging, often to find ancient remains.
  3. 3. The practice of farming and cultivation of land.
  4. 8. A new method, idea, or invention.