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In the image, layer A is the topmost layer. Layer C contains fossils from the Precambrian era. Layer B contains dinosaur fossils, and layer A contains
fossils of mammals. Which two statements are supported by this evidence?
B
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Mammals lived before the Precambrian era
Dinosaurs and mammals existed in the Precambrian era
Dinosaurs evolved after Precambrian organisms
Precambrian organisms evolved after dinosaurs.
Precambrian organisms were the first life-forms to become fossilized, according to this sample.
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Select all the correct answers In the image layer A is the topmost layer Layer C contains fossils from the Precambrian era Layer B contains dinosaur fossils and class=


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