22. how are the outer planets different from the inner planets (besides their exclude pluto. (pick only one answer). a) the outer planets consist mostly of gases. b) the outer planets have hotter surface temperatures than the inner planets. c) the outer planets have shorter orbital periods than the inner planets. d) the outer planets have no moons.

 A) The outer planets consist mostly of gases.

Explanation:

The outer planets are different from the inner planets because the outer planets consists of gas and very small solid or liquid center. It is impossible to stand on these outer planets. The inner planets have solid surface and it is possible to stand on these planets but these planets lack atmosphere. Jupiter, Saturn, Uranus and Neptune are the examples of outer planets. Mercury, Venus, Earth and Mars are the examples of inner planets.