Sentence using relative dating
If you look at a building, relative dating allows you to say that the first floor was built before the top floor.
If you look at an archeological dig, you can say that, in general, the dirt and rock on the surface are younger than the dirt and rock and items beneath them and that the deeper you dig, the older the items you're looking at.
Since relative dating can easily be verified by superposition (the younger bed over the older one), intrusion (the intrusive being younger than the intrusive rock), and use of index fossils (younger fossils in a rock layer make that layer younger than another containing older fossils), relative dating can be confirmed right at the field using one's direct observation.
Learn how inclusions and unconformities can tell us stories about the geologic past.The police said the accident that happened last night was unavoidable The newspaper reported that the tiger which killed its keeper has been put down.WARNING: The relative pronoun is the subject of the clause.- Sometimes we use when the relative pronoun is the object: Have you seen those people whom we met on holiday?Absolute dating is the process of determining an age on a specified chronology in archaeology and geology.