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Physical Science, 5/e
Bill Tillery, Arizona State University
Geologic Time

True or False



1

Minerals replaced the wood in trees over a very long time making petrified wood.
A)TRUE
B)FALSE
2

The principle of uniformity requires you to believe that the geologic features you see today were formed in the past by the same processes we observe today.
A)TRUE
B)FALSE
3

Faults, folds and igneous intrusions are always younger than the rock layers in which they are found.
A)TRUE
B)FALSE
4

Index fossils are fossils of distinctive plant or animal species that lived in a specific location for a long time.
A)TRUE
B)FALSE
5

Fossils are generally best preserved in metamorphic rock layers.
A)TRUE
B)FALSE








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