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What is the process in which radioactive isotope tend to break down into a stable isotope of the same element is called?
Uniformitarianism
A break in the geologic record created when rock layers are eroded, when sediment is not deposited for a long period of time
Radioactive decay
trace or remains of an organism that lived long ago, most commonly preserved in sedimentary rock.
Geologic Column
Absolute dating
Index fossil
Law of Superposition
What is any method of measuring the actual age of an event or object in years?
Uniformitarianism
A break in the geologic record created when rock layers are eroded, when sediment is not deposited for a long period of time
Radioactive decay
trace or remains of an organism that lived long ago, most commonly preserved in sedimentary rock.
Geologic Column
Absolute dating
Index fossil
Law of Superposition
A principle that states that geologic processes that occurred ini the past can still be explained by the current geologic processes is called?
Uniformitarianism
A break in the geologic record created when rock layers are eroded, when sediment is not deposited for a long period of time
Radioactive decay
trace or remains of an organism that lived long ago, most commonly preserved in sedimentary rock.
Geologic Column
Absolute dating
Index fossil
Law of Superposition
A fossil is a
Uniformitarianism
A break in the geologic record created when rock layers are eroded, when sediment is not deposited for a long period of time
Radioactive decay
trace or remains of an organism that lived long ago, most commonly preserved in sedimentary rock.
Geologic Column
Absolute dating
Index fossil
Law of Superposition
What is an unconformity?
Uniformitarianism
A break in the geologic record created when rock layers are eroded, when sediment is not deposited for a long period of time
Radioactive decay
trace or remains of an organism that lived long ago, most commonly preserved in sedimentary rock.
Geologic Column
Absolute dating
Index fossil
Law of Superposition
An arrangement of rock layers in which the oldest rocks are at the bottom is called?
Uniformitarianism
A break in the geologic record created when rock layers are eroded, when sediment is not deposited for a long period of time
Radioactive decay
trace or remains of an organism that lived long ago, most commonly preserved in sedimentary rock.
Geologic Column
Absolute dating
Index fossil
Law of Superposition
The principle that states that younger rocks lie above older rocks if the layers have not been disturbed is called?
Uniformitarianism
A break in the geologic record created when rock layers are eroded, when sediment is not deposited for a long period of time
Radioactive decay
trace or remains of an organism that lived long ago, most commonly preserved in sedimentary rock.
Geologic Column
Absolute dating
Index fossil
Law of Superposition
What is a fossil that is found in the rock layers of ONLY ONE geologic age and is used to establish the age of the rock layer is called a?
Uniformitarianism
A break in the geologic record created when rock layers are eroded, when sediment is not deposited for a long period of time
Radioactive decay
trace or remains of an organism that lived long ago, most commonly preserved in sedimentary rock.
Geologic Column
Absolute dating
Index fossil
Law of Superposition
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