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Across 4. illness. 5. ridiculous, senseless 8. to think over deeply 9. secret agreement or cooperation 12. to free from difficulty 13. A difficult or dangerous condition or situation 15. to leave out 17. bold, determined, firm 18. lying under oath. 19. a very small amount of something 20. clever

Down 1. a prediction or educated guess that can be tested and can be used to guide further study 2. blocked path; dilemma with no solution 3. a statement that explains why something happens but has not been proven 6. a question asked merely for rhetorical effect and not requiring an answer. 7. a final proposal or statement of conditions 9. to compare in order to show differences 10. actual, real, true in form 11. to find out or show who someone is or what something is 14. the setting of a word or phrase that affects its meaning 16. stated in a clear way and with details