The eastern edge of the Piedmont region is marked by the __________ __________, a natural boundary where waterfalls and rapids first appear and mark the farthest part above the mouth of a river that ships can navigate.

Question

The eastern edge of the Piedmont region is marked by the __________ __________, a natural boundary where waterfalls and rapids first appear and mark the farthest part above the mouth of a river that ships can navigate. ​

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The Answer of The eastern edge of the Piedmont region is marked by the __________ __________, a natural boundary where waterfalls and rapids first appear and mark the farthest part above the mouth of a river that ships can navigate. ​

The Eastern Edge of the Piedmont Region Is Marked by the __________