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d1i1m1o1n [39]
3 years ago
9

Using the graph, determine the half-life of thorium-232.

Biology
2 answers:
mash [69]3 years ago
8 0

Answer:

14 billion years

Explanation:

Because the percentage of parent isotope remaining decreases by 50% at 14 billion years.

Scorpion4ik [409]3 years ago
7 0
The answer would be 14 billion years
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