Exam-style question
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How does the random decay of radioactive isotopes impact their use in dating techniques?.
- A.It allows for precise dating.
- B.It introduces uncertainty in age estimates.
- C.It makes dating impossible.
- D.It guarantees accurate results.
Model answer
What a good answer should say
- It introduces uncertainty in age estimates.
Explanation
Why this works
The random nature of radioactive decay means that while we can use isotopes to estimate the age of materials, there is an inherent uncertainty in these estimates. This randomness affects the precision of dating techniques, as the decay of isotopes occurs at unpredictable intervals, leading to a range of possible ages rather than a single definitive date.
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