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How long does it take for half of the element to decay A. 1 billion years B. 2 billion
Chapter 14, Problem 21(choose chapter or problem)
QUESTION:
How long does it take for half of the element to decay? A. 1 billion years B. 2 billion years C. 3 billion years D. 4 billion years
Questions & Answers
QUESTION:
How long does it take for half of the element to decay? A. 1 billion years B. 2 billion years C. 3 billion years D. 4 billion years
ANSWER:B