asan7701
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HELP will give brainlst and 20 points if ur correct
Explain how scientist measure geologic time.

Respuesta :

The geologic time scale was developed after scientists observed changes in the fossils going from oldest to youngest sedimentary rocks. They used relative dating to divide Earth's past in several chunks of time when similar organisms were on Earth.
BabyRainbow03

Answer: Layered rocks and evolution of life and radiometric time scale based on radioactivity of chemical elements

Explanation:

Two scales are used to date these episodes and to measure the age of the Earth: a relative time scale, based on the sequence of layering of the rocks and the evolution of life, and the radiometric time scale, based on the natural radioactivity of chemical elements in some of the rocks.

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