  The economic value that people place on improved visibility on a day that they visit a Class I area is applied to the predicted deciview changes and projected number of park visitors affected to attain recreational visibility monetary benefits.
The zoo's attendance had dropped significantly over the last year.
mnli hypothesis: The zoo's attendance had dropped significantly over the last year. premise:   The economic value that people place on improved visibility on a day that they visit a Class I area is applied to the predicted deciview changes and projected number of park visitors affected to attain recreational visibility monetary benefits.