alleryOne way of dating fossils is by detecting the ratio of different ____ of the same element in the fossil material.
Aisotopes
Ballotropes
Cisobars
Disomers
Answer & Solution
Correct answer: A. isotopes
1. Radiometric dating measures atoms of the same element with different mass numbers.
2. Atoms of one element with different mass numbers are called isotopes.
3. Comparing the ratio of a radioactive isotope to its decay product gives the age.
_Source: RRB Group D CEN-02/2018 PYQ, Q.19._
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