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14 December, 23:33

If layer G formed just after the dinosaurs became extinct, then when was layer F formed?

A.

Cenozoic era

B.

Mesozoic era

C.

Paleozoic era

D.

Precambrian era

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Answers (1)
  1. 15 December, 00:58
    0
    Layer G must be older than layer F, according to the law of superposition. So the answer is Paleozoic era, I believe.
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