2 Answers

Mohammadjh · Answer 1 · 2022-01-27T22:18:57+0000

Answer:

about 252 to 541 million years

Step-by-step explanation:

To the west the Great Valley, the Valley Ridges, and the Appalachian Plateau (including the Alleghenies) are characterized by the second type of rocks, sediments of Paleozoic age (i.e., about 252 to 541 million years old).

0 Comments

Please log in or register to add a comment.

Please log in or register to answer this question.

2 Answers

0 Comments

Please log in or register to add a comment.

0 Comments

Please log in or register to add a comment.

Other Questions