IDNLearn.com makes it easy to find the right answers to your questions. Join our community to receive prompt and reliable responses to your questions from experienced professionals.
Answer:
The Appalachian Mountains formed during a collision of continents 500 to 300 million years ago. In their prime they probably had peaks as high as those in the modern zone of continental collision stretching from the Himalayas in Asia to the Alps in Europe.
Explanation: