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Daily CSI. Penny Challenge. How observant are you?. 8 th Grade Forensic Science. T. Trimpe 2006 http://sciencespot.net/. 1. 6. 11. 2. 7. 12. 3. 8. 13. 4. 9. 14. 5. 10. 15. Which is the correct penny? NOTE: You cannot look at a real penny!. 1. 6. 11. 2. 7. 12. 3. 8.
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