The Rocky Mountains started to be uplifted ________ years ago.
A) 0.65 million
B) 6.5 million
C) 65 million
D) 650 million
E) 6.5 billion

Name: The Rocky Mountains started to be uplifted ________ years ago. A) 0.65 million B) 6.5 million C) 65 million D) 650 million E) 6.5 billion
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The upliftment of the Rocky Mountains started around 65 million years ago, during the Late Cretaceous period, as a result of tectonic activity caused by the subduction of the Farallon Plate beneath the North American Plate.

The Rocky Mountains Started to Be Uplifted ________ Years Ago