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An air bubble frozen in ice is extracted from many meters below the surface in the arctic. The sample of air is found to have an activity per gram of carbon that 0.8% that of air today. About how long ago was this pocket of air frozen? 35,000 years ago 40,000 years ago 46,000 years ago 52,000 years ago 58,000 years ago

An air bubble frozen in ice is extracted from many meters below the surface in the arctic. The sample of air is found to have an activity per gram of carbon that 0.8% that of air today. About how long ago was this pocket of air frozen? 35,000 years ago 40,000 years ago 46,000 years ago 52,000 years ago 58,000 years ago

Modern Physics
Modern Physics
3rd Edition
ISBN:9781111794378
Author:Raymond A. Serway, Clement J. Moses, Curt A. Moyer
Publisher:Raymond A. Serway, Clement J. Moses, Curt A. Moyer
Chapter13: Nuclear Structure
Section: Chapter Questions
Problem 36P
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An air bubble frozen in ice is extracted from many meters below the surface in the arctic. The sample of air is found to have an activity per gram of carbon that 0.8% that of air today. About how long ago was this pocket of air frozen?

35,000 years ago

 

40,000 years ago

 

46,000 years ago

 

52,000 years ago

 

58,000 years ago

 

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