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Biology, 21.10.2021 06:00 Alisabeth4366

Which statement about the rock fossils is true? Fossil Y is older than fossil X.
Fossil Z is younger than fossil Y.
Fossil Z existed over many periods of time.
Fossil Y existed during the same period as the ammonite.

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Which statement about the rock fossils is true? Fossil Y is older than fossil X.
Fossil Z is...
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