Answer:
Appalachian Mountains
Explanation:
Appalachian Mountains were widely known for their extension between the region of Newfoundland and Labrador in Canada to central Alabama in the United States. They span about 3,200 kilometers, and the study shows they have been existing since more than 400 million years ago, during the period known as Ordovician period.
Hence, based on the information in the question, the right answer is option A. Appalachian Mountains
The European state model includes all of the following except "<span>d. A very low level of urbanization ," since in fact urbanization is a key element of such a model. </span>
