If gold were always sold by weight, could you make money buying gold at one altitude above the ground and selling it at a different altitude?
A) Yes, you could make money by buying gold at a lower altitude and selling it at a higher altitude.
B) Yes, you could make money by buying it at either a lower or higher altitude, and then selling it at the other altitude.
C) Yes, you could make money by buying gold at a higher altitude and selling it at a lower altitude.
D) No, you couldn't make any money this way because the mass of the gold would be the same at both altitudes.
E) No, you couldn't make any money this way because the weight of the gold would be the same at both altitudes.
Question 2
During his public school and university days, Einstein could best be described as
A) a child prodigy who attracted teachers' admiration.
B) a nonconforming and daydreaming student.
C) a good but not outstanding student.
D) an excellent and hardworking student.
E) a mediocre but hardworking student.
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