Q. How old is Earth, It is decided by which of the following processes?
✅ Correct Answer: (B)
Radiometric Dating
Explanation: 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.
Explanation by: Chandani
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.