Answer:
The correct answer is 3. The Mississippi finds its headwaters at Lake Itasca.
Step-by-step explanation:
Lake Itasca is a small glacial lake, with approximately 3 milesĀ² of area, located in northwest Minnesota. It is considered as the origin of the Mississippi River.
Henry Schoolcraft determined it to be the source of the Mississippi River, which flows 2343 miles to the Gulf of Mexico.