Early humans

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Across
  1. 3. strip of land
  2. 6. ancestor of humans
  3. 7. scientist
  4. 8. stone tools, old
  5. 9. hunt gather plants survive
Down
  1. 1. new farming
  2. 2. pass along information or track animals
  3. 4. constantly moving
  4. 5. climate change glaciers