Ouachita Mountains

Which interpretation of Mississippi, Arkansas, White, Ouachita, Red, St. Francis, and Buffalo rivers is correct?

• Arkansas is entirely flat and has no upland or mountain regions.
• All parts of Arkansas have the same elevation and landform pattern.
• Arkansas has a dry desert climate across the entire state.
• The Mississippi, Arkansas, White, Ouachita, Red, St. Francis, and Buffalo rivers connect multiple Arkansas regions