Word Study #12

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Across
  1. 3. powerful
  2. 4. lasting a long time
  3. 6. revive or bring back to live
  4. 9. small objects revolving around Sun
  5. 10. another choice
  6. 13. abstract artistic style
  7. 14. solid sound
  8. 15. to rise above
  9. 17. at the same time
  10. 18. to take turns
Down
  1. 1. "not known" in disguise
  2. 2. powerful explosion
  3. 5. graph of human population
  4. 7. free market economic system
  5. 8. aliveness
  6. 10. without time
  7. 11. necessary for life
  8. 12. study of human populations
  9. 14. expected type
  10. 16. excel