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Biology, 19.01.2021 07:30 miacespedes

4 PTS What percent of uranium-235 remains after 1420 million years?
A)
12.5%
B)
25%
C)
40%
D
75%

4 PTS

What percent of uranium-235 remains after 1420 million years?
A)
12.5%
B)
25%
C)
40%
D
75%

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4 PTS What percent of uranium-235 remains after 1420 million years?
A)
12.5%
B)

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