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Crazy boy [7]
4 years ago
7

Scientists find the fossilized remains of a dinosaur in the bottom rock layers of a research site. They find the fossil of a mam

mal in the middle rock
layers. What can be concluded from this evidence?
A mammals lived on earth before dinosaurs
B dinosaurs lived on earth before mammals
C dinosaurs and mammals lived on earth at the same time
D mammals caused the extinction of the dinosaurs
Biology
1 answer:
san4es73 [151]4 years ago
7 0
B, the lowest layer is a dinosaur fossil, therefore the mammal fossil was after
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