At one time, they were one land mass that pulled apart, leaving matching outlines.
Nebraska doesn't have coastlines because there is no ocean around it...
The Arctic Ocean
Chains of volcanos along ocean Coastlines
There are Great Whites everywhere in the ocean but you see them mainly near California coastlines, African coastlines, and Australian coastlines.
Coastal Erosion by the ocean
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Alabama
The Ocean.
We find matching types of ancient fossils separated on coinciding land masses across the Atlantic Ocean, where Brazil would abut Africa.
they are separated by the ocean.
The Atlantic Ocean separated the USA from the war in Europe.
No, most of Canada's coastlines are on the "Arctic Ocean".