Choose the best summary of this paragraph.
Iowa leads the nation in the production of corn. The state is among the leaders in the production of alfalfa and soybeans. This is because the rich black Iowa soil causes this relatively small state to excel in growing crops.
Question 5 options:
Iowa's rich soil has helped it become a leader in crop production.
Corn is a major cash crop in Iowa.
Iowa is known for its rich black soil.