tells the actual age of a rock or fossil or how long ago an event occurred.

Describes the age of an object or event. It determines which events occurred earlier or later than others without giving a definite date.

a means of measuring the age of material by comparing the amount of a radioactive form of an element in a rock or fossil with the amount of its decay product.

used to measure the absolute age.

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earth science

absolute and relative age, radioactive dating.


absolute age	tells the actual age of a rock or fossil or how long ago an event occurred.
relative age	Describes the age of an object or event. It determines which events occurred earlier or later than others without giving a definite date.
radioactive dating	a means of measuring the age of material by comparing the amount of a radioactive form of an element in a rock or fossil with the amount of its decay product.
carbon 14	used to measure the absolute age.
half life