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Physics, 14.02.2021 22:10 rhettperkins

Question 1 (1 point) The half-life of Uranium 238 is 4.6 billion years and the age of earth is 4.6 billion years. What percentage of uranium-238 that was present when
Earth was formed still remains?
O a
25%
Ob
75%
100%
d
50%

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