Between the original Proterozoic rifting of Rodinia and the Late Paleozoic rifting of Pangaea, how much "real estate" was added to the North American continent?
A)the entire width of the Appalachian Orogen, St.Lawrence Seaway through Nova Scotia, 600-800 kilometres
B)everything from Ontario to Alberta
C)only Newfoundland and Labrador
D)the width of Iapetus Ocean, thousands of kilometres

Question

Quizplus · Accepted Answer

The Appalachian Orogen, St. Lawrence Seaway through Nova Scotia, which spans 600-800 kilometres, represents the significant addition to the North American continent between the Proterozoic rifting of Rodinia and the Late Paleozoic rifting of Pangaea. This addition was a result of tectonic activities and the closing of the Iapetus Ocean, leading to the formation of the supercontinent Pangaea.

Between the Original Proterozoic Rifting of Rodinia and the Late