Final answer:
The 3) Mississippi River is a natural landmark that is also a physical feature, shaping landscapes and influencing human settlement patterns.
Step-by-step explanation:
The natural landmark that is also a physical feature is the 3) Mississippi River. The Mississippi River is a significant physical feature that flows through multiple states in the United States, including Minnesota, Wisconsin, Illinois, and Louisiana. It is not only a famous geographical landmark but also a physical feature that has shaped the surrounding landscapes and influenced human settlement patterns.