Red River - Acts as part of the boundary between ____________ & _______________ (Fill in the blanks)
Red River acts as part of the boundary between Texas and Oklahoma.
To determine the answer to your question, you can use an internet search engine such as Google. Here's how you can find the answer:
1. Open your preferred search engine in a web browser.
2. Type "Red River boundary" or "Red River boundary between" in the search bar.
3. Press the Enter key or click the search button to get the results.
The search results will likely include information about the Red River and its boundary. Look for reliable sources such as government websites or trusted educational sources to find the answer to your question.
As an AI language model, I can provide the answer as well. The Red River acts as part of the boundary between Texas, United States, and Oklahoma, United States.