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Biology, 04.03.2020 02:29 SignoraPenguino
Oldest fossils usually: .1. are found in the deepest strata 2. have the longest half-lives 3. are found in sediments formed during the Cenozoic era 4. contain more radioactive isotopes than younger fossils 5. are found above younger fossils
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Oldest fossils usually: .1. are found in the deepest strata 2. have the longest half-lives 3. are fo...
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