What river serves as the border between Texas and Mexico?

Here is the question :

WHAT RIVER SERVES AS THE BORDER BETWEEN TEXAS AND MEXICO?

Here is the option for the question :

• Missouri
• Chattahoochee
• Rio Grande
• Mississippi

The Answer:

And, the answer for the the question is :

Explanation:

[STC0019330]. The Rio Grande, the fifth-longest river in the United States, defines the border between northern Mexico and the southern United States. The river rises in Colorado’s San Juan Mountains and runs south through New Mexico to Texas, where it forms the state’s southwestern boundary. The river also runs through Big Bend National Park, Texas’s largest national park.