Which One of the Following Statements Best Explains Why the Weight

Multiple Choice

Which one of the following statements best explains why the weight of an object of mass m is different on Mars than it is on the Earth?

A) The mass of Mars is different from that of Earth.
B) The masses and radii of Mars and Earth are not the same.
C) The mass m is further from the Earth's center when it is on Mars.
D) The constant G is different on Mars.
E) The mass m will be different on Mars.