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Keely Wyman ∙
gradient
Magma emplacements or Batholith are not sedimentary structures.
Carbon-14 is an example of radioactive dating.
Mesozoic
Geological principles tell you about inclusions that fragments are older than the rocks they are inside of.
The Piltdown manThe orangutan
The satellite which was launched recently by nasa is terra.
Eon, Era, and Epoch: APEX :D
Several periods of mass extinction
Coal forms from peat, and peat forms in bogs. There is not enough organic material in the arctic to form coal.
It must have lived for a short geologic period of time.
Increased greenhouse effect
most rocks from that era are deeply burried
Shrinking of the polar ice caps
The current era today is Cenozoic
The formation of the ozone layer
If I’m not wrong it’s Epochs and periods