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Video Information and Comprehension Questions

Video Description
Many criminal investigations rely upon the unique talents of chemists to crack the case. Watch as scientists help solve an international mystery by analyzing grains of sand found in a balloon bomb. Then discover how manís best friend works as a chemical detective to sniff out arson.

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Download Comprehension Questions and Answers

The Comprehension Questions are available to download as an RTF file. You can save the file to your desktop and open it in a word processing program.