The correct answer is belief.
A philosophical assumption means that the philosopher just assumes, or believes something to be true, without any concrete evidence. The moment he or she is able to provide proof to support his or her assumption, it becomes a law because it can be checked if necessary.
The subject and predicate
the preposition is c) Under
1. The answer is sophisticated
2. The answer is confusing
3. The answer is past perfect tense?
I am unsure of the last one but that would be my guess
On April 18, at about 6:30 a.m. local time, an avalanche swept down off the west shoulder of Everest and killed 16 climbers. To anybody who’s familiar with Everest climbing, it should come as no surprise that all of the men were Sherpa porters. Sherpas are Everest's workforce—the literal backbone of the climbing industry there. The men who were struck were either carrying 80-pound loads to Camps I and II, or they were on their way back to Base Camp. Without the hard work of the Sherpa porters, it would be largely impossible for Americans and Europeans with slightly above-average physiology, and well above-average disposable income, to scale the world’s tallest mountain
