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What is Finding The Age of Earth - HW about?

Scientists have used several methods to estimate the age of Earth. Radiometric dating involves measuring the decay of radioactive isotopes into stable daughter isotopes in rocks and minerals. Comparing the amount of original isotope to daughter isotope allows the age of the rock to be estimated. The oldest rocks found on Earth are about 4 billion years old, providing a minimum age for our planet.

Author

Iffat Kamaal

Language

EN