MCAT Question of the Day
    •

    Q:

    		 A particular organism well preserved in ice has been found to contain 5 mg of a radioactive particle X. Lifeforms usually contain around 40 mg of this particle. The half-life of X is around 20,000 years. Before this measurement of X, scientists believed that the organism was 100,000 years old. Their prediction was

    		 

    A

    		 Too low

    B

    		 Correct

    C

    		 Too high

    D

    		 Cannot be confirmed or negated by the data



    Nuclear Chemistry |
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