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Kiera Lakin ∙
Magma emplacements or Batholith are not sedimentary structures.
Mesozoic
it got cooler
Land bridges the once existed now are underwater.
Pangaea broke up in the Mesozoic Era.
Chromium
The Piltdown man
A Fraud
During the Carboniferous Period
No, the earth wasn't around 7 billion years ago. Earth formed about 4.6 billion years ago.
It must have lived for a short geologic period of time.
Dense forest developed
Shrinking of the polar ice caps
The formation of the ozone layer
fossil fuel
If I’m not wrong it’s Epochs and periods