https://static.k12.com/calms_media/media/922500_923000/922534/3/e0e0eb4cab08a9f0a52fdf0cdf9bbeac8c9430c8/MS2_ERT_03_09_rock_layers.jpg
A saber-toothed cat fossil is found in layer G.
This finding indicates that Layers H and I must have formed during what time?
A.
Paleozoic Era
B.
Carboniferous Period
C.
Permian Period
D.
Cenozoic Era
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OpenStudy (anonymous):
You are not in the right class
OpenStudy (anonymous):
i know but nobody will help me in the other classes
OpenStudy (anonymous):
hmmm i think it might be a
OpenStudy (anonymous):
do you have an explanation
OpenStudy (anonymous):
@Ethanwestbrooks
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563blackghost (563blackghost):
The Paleozoic Era is too far back...
OpenStudy (anonymous):
i used google
OpenStudy (anonymous):
but it still didnt say exactly
OpenStudy (anonymous):
what era did mammals come in
563blackghost (563blackghost):
The Permian period lasted from 299 to 251 million years ago
The Carboniferous Period lasted from about 359.2 to 299 million years ago
The Paleozoic Era, which ran from about 542 million years ago to 251 million years ago
The Cenozoic spans only about 65 million years
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