Most national parks charge a fee to visitors as a way to cover some of the costs of operating them. If you were in charge of the National Park Service, what would you do if you observed large numbers of cars waiting in line to get into popular parks, like Yosemite or Yellowstone? Select one: a. Encourage people to vacation at Disney World. O b. Keep fees constant across all parks to promote equality. O c. Raise the fee for those parks. O d. Ban cars from popular parks. ca 11