The surface gravity of Pluto is the weakest of the nine planets because Pluto
has the lowest temperature. has the smallest mass. rotates the slowest. is farthest from the Sun.
Question: The surface gravity of Pluto is the weakest of the nine planets because Pluto
A. has the lowest temperature.
B. has the smallest mass.
C. rotates the slowest.
D. is farthest from the Sun.
Answer: