Unidad 4 Vocabulario

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Across
  1. 3. hygiene
  2. 5. undeniable
  3. 8. voluntary work
  4. 9. to improve
  5. 10. to donate
  6. 12. acid
  7. 13. healthy
  8. 14. first-aid kit
  9. 15. confirmed,verified
Down
  1. 1. indisputable
  2. 2. to refute
  3. 4. foreign currency
  4. 6. support
  5. 7. housed,sheltered
  6. 11. vaccine