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Trilobite is an example of an index fossil. Which best describes the criteria necessary for a fossil to be used as an index fossil?
Sedimentary
The fault is younger than the rocks it cuts through.
Earth being changed violently and quickly
Half-life
The fossil must be found in areas on Earth and must be from an organism that lived for a relatively short time span
the same
states that the oldest sedimentary rock layers will always be on the bottom unless they have been disturbed by geologic force
A scientist uses the radioactive decay of uranium to find the age of a rock.
Compared to the length of time for the first half-life of a sample of a radioactive isotope, the length of time for the second half-life is
Sedimentary
The fault is younger than the rocks it cuts through.
Earth being changed violently and quickly
Half-life
The fossil must be found in areas on Earth and must be from an organism that lived for a relatively short time span
the same
states that the oldest sedimentary rock layers will always be on the bottom unless they have been disturbed by geologic force
A scientist uses the radioactive decay of uranium to find the age of a rock.
Law of crosscutting relationships explain the age of a fault caused by an earthquake?
Sedimentary
The fault is younger than the rocks it cuts through.
Earth being changed violently and quickly
Half-life
The fossil must be found in areas on Earth and must be from an organism that lived for a relatively short time span
the same
states that the oldest sedimentary rock layers will always be on the bottom unless they have been disturbed by geologic force
A scientist uses the radioactive decay of uranium to find the age of a rock.
Law of Superposition
Sedimentary
The fault is younger than the rocks it cuts through.
Earth being changed violently and quickly
Half-life
The fossil must be found in areas on Earth and must be from an organism that lived for a relatively short time span
the same
states that the oldest sedimentary rock layers will always be on the bottom unless they have been disturbed by geologic force
A scientist uses the radioactive decay of uranium to find the age of a rock.
Fossils are found in which type of rock?
Sedimentary
The fault is younger than the rocks it cuts through.
Earth being changed violently and quickly
Half-life
The fossil must be found in areas on Earth and must be from an organism that lived for a relatively short time span
the same
states that the oldest sedimentary rock layers will always be on the bottom unless they have been disturbed by geologic force
A scientist uses the radioactive decay of uranium to find the age of a rock.
Catastrophism is
Sedimentary
The fault is younger than the rocks it cuts through.
Earth being changed violently and quickly
Half-life
The fossil must be found in areas on Earth and must be from an organism that lived for a relatively short time span
the same
states that the oldest sedimentary rock layers will always be on the bottom unless they have been disturbed by geologic force
A scientist uses the radioactive decay of uranium to find the age of a rock.
Which one is an example of absolute dating?
Sedimentary
The fault is younger than the rocks it cuts through.
Earth being changed violently and quickly
Half-life
The fossil must be found in areas on Earth and must be from an organism that lived for a relatively short time span
the same
states that the oldest sedimentary rock layers will always be on the bottom unless they have been disturbed by geologic force
A scientist uses the radioactive decay of uranium to find the age of a rock.
_____________ is the time required for half of a sample of a radioactive isotope to break down by radioactive decay to form a daughter isotope.
Sedimentary
The fault is younger than the rocks it cuts through.
Earth being changed violently and quickly
Half-life
The fossil must be found in areas on Earth and must be from an organism that lived for a relatively short time span
the same
states that the oldest sedimentary rock layers will always be on the bottom unless they have been disturbed by geologic force
A scientist uses the radioactive decay of uranium to find the age of a rock.
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