Jonathan lesson 13 Crossword

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Across
  1. 5. sad
  2. 7. Einstein_____ the relationship between matter and energy.
  3. 9. John has a ____ to beat marcus in basketball.
  4. 11. Intensely eager
  5. 12. elnrwan
  6. 14. scontagiou
Down
  1. 1. To attack violently or verbally
  2. 2. change
  3. 3. retrab
  4. 4. hamper
  5. 6. A keep off sign acts as a ______ against trespassers.
  6. 8. A quality that can be used to advanatge
  7. 10. penalty
  8. 13. azanonb
  9. 15. soumynonys