The __________ serves as a border between the Northeastern United States and Canada.
A.
Mackenzie River
B.
Mississippi River
C.
St. Lawrence River
D.
Rio Grande
The ST. LAWRENCE RIVER serves as a border between the Northeastern United States and Canada.
Asked 4/28/2015 12:00:50 PM
Updated 4/28/2015 1:11:02 PM
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jeifunk [4/28/2015 1:11:02 PM]
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