k2aticlacha0rrybonb k2aticlacha0rrybonb

14-12-2016
History

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Which of the following happened first?
A. The Appalachian Mountains begin to form.
B. The formation of Pangaea.
C. The North Atlantic Ocean begins to form.
D. The mountains of Southern Asia and Europe begin to form.

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antonsandiego antonsandiego

17-12-2016

I think that the only correct option is A. The Appalachian Mountains begin to form. They began to form about 450 million years ago.

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