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Science question lol i need help

What evidence is most consistent with dinosaurs becoming extinct at the end of the Cretaceous era?
A). Mammal fossils are rare in the Cretaceous era and and numerous in the Paleogene era.
B). No dinosaur fossils are found above the Cretaceous-Paleogene boundary.
C). The Cretaceous-Paleogene boundary layer contains few or no fossils.
D). Dinosaur fossils are not found in the oldest rocks on Earth.

User Amit Evron
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B, no dinosaur fossils are found above the Cretaceous Paleogene boundary
User Mark Proctor
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Answer:

B). No dinosaur fossils are found above the Cretaceous-Paleogene boundary.

Step-by-step explanation:

User Vangos
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