How are fossils formed and how are they used?

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The term fossil is used for any trace of past life. Fossils are not only the actual remains of organisms, such as teeth, bones, shell, and leaves (body fossils), but also the results of their activity, such as burrows and foot prints (trace fossils), and organic compounds they produce by biochemical processes (chemical fossils). ChaCha!

Answered - 6 hr 1 min ago at 11:44pm on May 29 2012

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A fossil is an organism that once was alive but now is preserved in another mineral or chemical form. The name comes from the Latin word 'fossus.'

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