Final answer:
Atlanta is the largest city in Georgia, which borders Tennessee to the north, making c) Georgia the correct answer to the question.
Step-by-step explanation:
The busiest airport in the world is located in Atlanta, which is the largest city in the state of Georgia. Atlanta's Hartsfield-Jackson International Airport sees over 100 million passengers annually and has a high volume of daily flights. Georgia borders Tennessee to the north, unlike Kansas, which is further west and does not share a border with Tennessee. Therefore, the correct answer to the question is c) Georgia.