Question

The continental margin of the U.S. Atlantic coast is a/an ____________ continental margin, and the continental margin off the west coast of South America is a/an _____________ continental margin.

Answer 1

Answer:

The continental margin of the U.S. Atlantic coast is a__Passive__continental margin, and the continental margin off the west coast of South America is an__Active__ continental margin.

Explanation: Inactive mainland edges create along coastlines that are not structurally dynamic, including a great part of the Atlantic Ocean coastline