Answer:
I think it's confident and authoritative. The statement that proves this is when the author says "We can be sure that we have only to persevere to conquer".
Explanation:
Some reasons why mount everest is so difficult to climb are that there is not much oxygen up there and many other people visit the mountain. Another reason is ice can fall down the mountain and hit a climber.
(look up 360 expeditions for your website)
Is this a riddle, if so, my answer is Racecar.
The answer is D. Old habits die hard
