According to the Theory of General Relativity, a Clock on Top

Multiple Choice

According to the theory of general relativity, a clock on top of Mount Everest would run ________ compared with a clock at sea level because ________.

A) faster; of the high altitude, which means a slightly weaker gravity
B) faster; the air is a lot thinner and there is less friction within the clock
C) faster; it is closer to the Moon and thus experiences stronger tidal forces
D) slower; of the low pressure at that altitude
E) identically; time is the same for all clocks in the universe