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Full Version: Millions of years ago the Yangtze River basin was a sea, study finds
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I'm amazed how scientist or geologist can determine stuff that's millions of years ago.
Carbon 14 dating only reliable to determine the age of 50000 years artefact/material.
More than 50000 years, it will not be accurate.

Human being only emerged/appeared on Earth about 100,000 years ago. How Human being emerged/appeared, it is still unknown.

Cant imagine it is Million years ago?
How to check?