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BiologyBiology
17 June, 05:37

You are a scientist working on geological dig. You discover a rock layer that contains 50 grams of a substance known to have a half life of 50,000 years. 50% of the substance is parent material and 50% of the substance is daughter material. How old is the rock layer in which you found this substance?

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  1. 17 June, 06:25
    0
    All you do is divide 50,000 from 50%

    which is 25000

    To do that on calculator just divide 50,000 by 2
  2. 17 June, 08:16
    0
    Divide 50,000 from 50%
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