How do outer planets differ from inner planets? (1 point)
A.They are not different from inner planets.
B.They are smaller than the inner planets.
C.They have very large solid surfaces.
D.They consist of a mixture of gases and liquid.
A.They are not different from inner planets.
B.They are smaller than the inner planets.
C.They have very large solid surfaces.
D.They consist of a mixture of gases and liquid.