asemar87 asemar87

24-02-2022
Biology

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approximately how many years ago did the appalachian orogeny occur?

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aymenfathima09 aymenfathima09

24-02-2022

Answer:

Alleghenian orogeny, mountain-building event, occurring almost entirely within the Permian Period (299 million to 251 million years ago), that created the Appalachian Mountains.

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