Answer:
Alaska's Denenali, formerly known as Mount McKinley, is the highest mountain peak in North America.
Step-by-step explanation:
A fact is something that can not be argued. It can be proven. On the other hand, and opinion expresses an individual's view, and can not be proven.
Therefore, the latter is a fact.
The first one can be argued, as I could say that California is actually the best state for outdoor sports.
However, the statement that Alaska has thirty-nine mountain ranges is a fact, it's just the last bit that makes it an opinion.