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                                Corn was first grown by Native Americans. They showed the pilgrims how to grow corn as food. At one time corn was used as money by pioneers. Corn is used as feed for farm animals. People also eat is as a vegetable. Oil, starch, and sugar can be made from corn. Corn is also important in industry. Medicine, paper, fertilizer, and glue can be made from corn and corn products.
Choose an appropriate topic sentence for this paragraph.
a. Native Americans were the first to grow corn.
b. Corn was used instead of money
c. Corn has been used in many different ways
d. People like corn
 
                                What is "c"
Corn has been used in many different ways