A

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Q. How old is Earth, It is decided by which of the following processes?

  • (A) Geologic Time Scale
  • (B) Radiometric Dating
  • (C) Gravity Method
  • (D) Fossil Dating
  • Correct Answer - Option(B)
  • Views: 1
  • Filed under category Geography
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Explanation by: Admin
The Earth is 4,54 billion years old. This age has been determined with the radioactive dating technique. The precise decay rate of radioactive elements is used as a clock: the number of daughter products in one rock indicates its age.

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