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Online dating is where people meet and get to know each other over the Internet instead of in person.

People arrive at a designated location and quickly spend one-on-one time with other dating candidates.

So, we rely on radiometric dating to calculate their ages.

Radiometric dating, or radioactive dating as it is sometimes called, is a method used to date rocks and other objects based on the known decay rate of radioactive isotopes.

They release radiation until they eventually become stable isotopes of lead.

These two uranium isotopes decay at different rates. The half-life of the uranium-238 to lead-206 is 4.47 billion years.

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