Which of the following is NOT a way in which fossils can be preserved?
A. They can be too small to see but can build diagnostic features in the rocks.
B. They can be buried and decay, leaving a cavity in the rock.
C. They can be preserved in ancient tree sap.
D. They can be replaced by hard materials, such as silica.
E. All of these are ways a fossil can be preserved.
Answer: E
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