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Which of the following is a trace fossil?
radioactive decay
superposition
4.6 million years
eon
relative dating
the uranium-lead method
index fossil
a mark left by a dinosaur's tail
A fossil used to date surrounding rock layers is called a(n)
radioactive decay
superposition
4.6 million years
eon
relative dating
the uranium-lead method
index fossil
a mark left by a dinosaur's tail
Which of the following processes always occurs at a steady rate?
radioactive decay
superposition
4.6 million years
eon
relative dating
the uranium-lead method
index fossil
a mark left by a dinosaur's tail
What process involves the comparison of rock layers with others in a sequence to determine its age?
radioactive decay
superposition
4.6 million years
eon
relative dating
the uranium-lead method
index fossil
a mark left by a dinosaur's tail
How many years of the history of Earth do geologists study?
radioactive decay
superposition
4.6 million years
eon
relative dating
the uranium-lead method
index fossil
a mark left by a dinosaur's tail
Which of the following is the largest division of geologic time?
radioactive decay
superposition
4.6 million years
eon
relative dating
the uranium-lead method
index fossil
a mark left by a dinosaur's tail
The phrase "younger over older" could be used to remember the principle of
radioactive decay
superposition
4.6 million years
eon
relative dating
the uranium-lead method
index fossil
a mark left by a dinosaur's tail
To determine the most accurate and precise age of Earth's oldest rocks, geologists would use
radioactive decay
superposition
4.6 million years
eon
relative dating
the uranium-lead method
index fossil
a mark left by a dinosaur's tail
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