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on May 20, 2014

Question #1 B. 12,000 hours
Question #2 B. 70,000 BC
Question #3 D. 4 mg
Question #4 A. 1801
Question #5 A. Red diodes
Question #6 A. Multi vapor metal-halide lamp
Question #7 D. All of the above
Question #8 B. Westinghouse
Question #9 A. 85%
Question #10 D. CFLs have been found to cause cancer in lab rats

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