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Biology, 07.07.2019 20:00 preservations

1. fossils are most often found in rock. igneous sedimentary metamorphic 2. any "signs" of past life activity, like footprints or burrows, are called fossils. organic periodic trace 3. sharks' teeth and petrified wood are fossils in which organic compounds are replaced by other elements. this process is called mineralization ossification putrefaction

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1. fossils are most often found in rock. igneous sedimentary metamorphic 2. any "signs" of past lif...
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