I am a long river that forms the boundary between the United States and Mexico. What am I?

Category: Geography · Difficulty: easy

Hint: Think about a river that marks a national border.

Answer

Rio Grande

Explanation

The Rio Grande forms part of the border between the United States and Mexico, flowing from Colorado to the Gulf of Mexico.

This is an easy geography riddle — a good one for children and beginners. The answer is Rio Grande.

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