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A petrified fossil forms when
sedimentary rock
carbon film fossils
unconformity
minerals replace all or part of an organism.
exactly how Earth originally formed.
older
lived for a short period time and are wide spread
4.6 billion
The Precambrian time began after the formation of the Earth about_____ years ago.
sedimentary rock
carbon film fossils
unconformity
minerals replace all or part of an organism.
exactly how Earth originally formed.
older
lived for a short period time and are wide spread
4.6 billion
Rock layers are _____________than the intrusions that cut across them.
sedimentary rock
carbon film fossils
unconformity
minerals replace all or part of an organism.
exactly how Earth originally formed.
older
lived for a short period time and are wide spread
4.6 billion
An index fossil
sedimentary rock
carbon film fossils
unconformity
minerals replace all or part of an organism.
exactly how Earth originally formed.
older
lived for a short period time and are wide spread
4.6 billion
Leaf prints on rocks are called
sedimentary rock
carbon film fossils
unconformity
minerals replace all or part of an organism.
exactly how Earth originally formed.
older
lived for a short period time and are wide spread
4.6 billion
When rock layers are lost due to erosion, this is known as
sedimentary rock
carbon film fossils
unconformity
minerals replace all or part of an organism.
exactly how Earth originally formed.
older
lived for a short period time and are wide spread
4.6 billion
Fossils provide evidence for all of the following EXCEPT
sedimentary rock
carbon film fossils
unconformity
minerals replace all or part of an organism.
exactly how Earth originally formed.
older
lived for a short period time and are wide spread
4.6 billion
Fossils are almost always found in
sedimentary rock
carbon film fossils
unconformity
minerals replace all or part of an organism.
exactly how Earth originally formed.
older
lived for a short period time and are wide spread
4.6 billion
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