1. To Next Slide Unit 5 Chapter 10 Lesson 4 Sharing A River 20 Questions!

2. To Next Slide dry Arid

3. To Next Slide A disagreement between two or more people or groups. Conflict

4. To Next Slide They have worked together to build dams on the Rio Grande. How have the United States and Mexico worked together to solve their water problems?

5. To Next Slide Each side in a conflict gives up some of what it wants in order to make an agreement. compromise

6. To Next Slide What caused the United States and Mexico to disagree over their border? The Rio Grande changed its course.

7. To Next Slide Surface water that does not run into the ground. Runoff

8. To Next Slide What are the United States and Mexico doing about pollution in the Rio Grande? They are working together to try to reduce the rivers pollution.

9. To Next Slide Thats All! Keep Sharp Minds!