Which statement describes the size of the inner planets?

Question

All the inner planets, except Mercury, are large.
The inner planets are larger than the outer planets.
All the inner planets are smaller than the outer planets.
Mars is a large planet, while the other inner planets are small.

Answer 1

The statement that best describes the size of the inner planets is: All the inner planets are smaller than the outer planets.

The inner planets (Mercury, Venus, Earth, and Mars) are generally smaller than the outer planets (Jupiter, Saturn, Uranus, and Neptune), which are much larger gas giants.