the Appalachian Mountains the Mohave Desert the Mississippi River the Great Lakes
I am hesitating between 4 options to answer the following question, which option should I choose?
Question: Which geologic feature is evidence that the North American plate once collided with the Eurasian and African plates?
Possibilities:
- the Appalachian Mountains
- the Mohave Desert
- the Mississippi River
- the Great Lakes

the Appalachian Mountains