If the nyasasaurus parringtoni was found only in rock layer 2 and a fossil of an unknown plant was found only in rock layer 4, what would a paleontologist know about the comparative age and environment of the nyasasaurus parringtoni and the unknown plant?

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If the nyasasaurus parringtoni was found only in rock layer 2 and a fossil of an unknown plant was found only in rock layer 4 what would a paleontologist know a class=