Imagine that every year, more and more water parks are being built in cities in the state of Nevada. No other state in America is experiencing this growth in the number of water parks. Which of the following questions would a geographer ask to try to understand this growth in water parks?

A. What color swimsuit is most popular among children in Nevada?

B. Where do people in Nevada shop for water toys?

C. Why do water parks only allow two people down a water slide at a time?

D. What is special about Nevada that explains the rising number of water parks?