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

Answer: Option B

Solution(By Examveda Team)

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.