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Questions and Answers
Which type of fossil forms when a part of an organism is preserved with its chemical composition being the same as when it was living?
What is the term used for a fossil formed when a part of an organism is chemically altered into another mineral?
Which process forms a fossil when calcium carbonate in shells and bones is replaced by another mineral like silica?
What is the term used for a fossil formed when the material being fossilized is wood?
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What is the term used for a fossil formed when an organism partially decays and leaves a thin black deposit of carbon?
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