Relative dating involves radioactive isotopes

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Scientists measure the proportion of carbon-14 left in the organism to determine its age.

Short Answer: Radiometric dating is one type of method used in absolute dating.

The age of the fossil must be determined so it can be compared to other fossil species from the same time period.

Understanding the ages of related fossil species helps scientists piece together the evolutionary history of a group of organisms.

C and counting the amount of each) allows one to date the death of the once-living things.

However, by itself a fossil has little meaning unless it is placed within some context.Both relative dating and absolute dating are procedures used to give temporal characteristics to a sequence of events.Both are attempting to get information on the history of events.These changes typically occur so slowly that they are barely detectable over the span of a human life, yet even at this instant, the Earth's surface is moving and changing.As these changes have occurred, organisms have evolved, and remnants of some have been preserved as fossils.

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