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What is the best environment for fossils to form in?
How do scientists determine the age of fossils found in sedimentary rock?
There are a few methods that scientists can use to determine the age of fossils, including radiometric dating and relative dating based on the position of the rock layers. Radiometric dating uses the decay of radioactive isotopes to determine the age of a sample, while relative dating compares the position of rock layers to determine which ones are older or younger.