106k views
1 vote
One of the most important international boundaries in North America is formed partly by the __________. A Colorado River B Mississippi River C Rio Grande River D Columbia River

1 Answer

1 vote
B. It’s the longest river out of those, and i just know it from school.
User Evergreen
by
8.8k points
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.