Unit 1 crossword

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Across
  1. 2. - Relating to the period before written record
  2. 6. - Expressing disapproval; not producing a good result or advantage.
  3. 10. - Causing great damage or harm; catastrophic.
Down
  1. 1. - A synthetic compound used medicinally to relieve mild or chronic pain and to reduce fever.
  2. 3. - An outlying district of a city, especially a residential one.
  3. 4. - A pale, bluish-purple color.
  4. 5. - A stable subatomic particle with a charge of negative electricity.
  5. 7. - Without any imperfections or defects; perfect.
  6. 8. - Examining, including, or considering all elements or aspects; comprehensive.
  7. 9. - To a very great extent; extremely or deeply.