the answer is 1 day after
I can't see any statement!!
Answer: A.) a personal account from a park visitor who describes positive adventures at Grand Canyon and Yellowstone park
Explanation: A personal account of someone who visited some key areas of the park would be the best form of advert. This is so because people find it very easy to relate with the experiences of others and this would serve as the best form of advert for the national park.
Answer:
my guess is C. most sense tbh
