Which Statement About Mars's Two Moons Is FALSE

Multiple Choice

Which statement about Mars's two moons is FALSE?

A) Both are in retrograde orbits.
B) Both rotate synchronously, keeping one face turned towards Mars.
C) Phobos is larger than Deimos.
D) Phobos revolves around Mars in less than a Martian day.
E) Both are very dark, heavily cratered bodies.