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Natalka [10]
3 years ago
7

During which period did mammals first appear? A. Pleistocene B. Carboniferous C. Cretaceous D. Jurassic

Biology
2 answers:
Sloan [31]3 years ago
7 0
D JURASSIC PERIOD BECAUSE THEY CAME UP WHEN DINOSAURS CAME
kifflom [539]3 years ago
3 0
D.........The Jurassic Period.
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