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That means they don't really know how old their rocks actually are.The key in relative dating is to find an ordered sequence.
To do that, we have to learn a little bit about radioactive decay.
Free 5-day trial Learn how scientists determine the ages of rocks and fossils.
We'll explore both relative and numerical dating on our quest to understand the process of geological dating.
But really, how do scientists figure out how old their dinosaur bones are?
And, what about other findings like fossil fish, plants and insects?