Curriculum
Course: Science — Third Preparatory
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Quiz

Question bank: Unit 4 — Dating Planet Earth

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1.
The impression of the outside surface of a shell preserved in rock is a:
cast
mold
petrified fossil
trace fossil
2.
A cast fossil is formed when:
a mold is filled with minerals or sediments that harden
a bone is frozen
resin hardens
wood is burned
3.
In a petrified fossil, the original tissue is:
preserved unchanged
replaced by minerals such as silica or calcium carbonate
frozen
completely dissolved with no replacement
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