Types of relative dating


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Since certain species of animals existed on Earth at specific times in history, the fossils or remains of such animals embedded within those successive layers of rock also help scientists determine the age of the layers. Similarly, pollen grains released by seed-bearing plants became fossilized in rock layers. If a certain kind of pollen is found in an archaeological site, scientists can check when the plant that produced that pollen lived to determine the relative age of the site.

They are still viewed as the least dangerous form of radiation, as long as it's not ingested or inhaled, because it can be stopped by even a thin sheet of paper or even skin, meaning that it cannot enter the body very easily.


Types of relative dating

Types of relative dating