Answer:
The oceanic crust is forced under the continental crust and into the mantle. Crompression causes mountains to form on the continental crust. Material in the mantle melts as volatiles seep out of the oceanic crust. The molten material rises to the surface, forming a continental volcanic arc.
Explanation:
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Answer:
1) In the nineteenth century, Scandinavian and other Western European immigrants settled in this region. 2) The Ancestral Pueblo people lived in the southwestern region of the modern United States; they constructed elaborate buildings and began the American farming tradition
Middle class P.................
