AD1 lesson 10

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Across
  1. 4. working to discover something
  2. 5. to grow and develop fully over time
  3. 8. very aggressive or scary, savage, primitive
  4. 9. sharp and alert
  5. 10. to be or to look similar to something
Down
  1. 1. happiness
  2. 2. specific, special, certain
  3. 3. hidden or unnoticed
  4. 6. ready to be used or taken
  5. 7. to change something