Biology, 16.04.2020 16:45, TVASALLO31

MULTIPLE CHOICE
WILL GIVE BRAINLIEST TO FAST AND GOOD/CORRECT RESPONSE

A scientist is studying a rock layer that predominantly contains fossils of very large reptiles. A few small mammals and birds are also present. The rock layer directly above the rock layer that the scientist is studying has almost no reptilian fossils at all, and those that are present are much smaller. The rock layer that the scientist is studying is most likely from which of the following eras?

A. Archean
B. Cenozoic
C. Paleozoic
D. Mesozoic

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MULTIPLE CHOICE
WILL GIVE BRAINLIEST TO FAST AND GOOD/CORRECT RESPONSE

A scientist...