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MCAT Question of the Day
Q:
A particular organism well preserved in ice has been found to contain 1 mg of a radioactive isotope X. Lifeforms usually contain around 40 mg of this isotope. The half-life of X is around 20,000 years. For the organism with 1 mg of the isotope, scientists believe it died 100,000 years ago. Their prediction was
A
~100,000 years too low
B
~50,000 years too high
C
Relatively accurate
D
Unconfirmed
Nuclear Chemistry
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