Which statement describes the size of the inner planets?

A. All the inner planets, except Mercury, are large.

B. The inner planets are larger than the outer planets.

C. All the inner planets are smaller than the outer planets.

D. Mars is a large planet, while the other inner planets are small.

The right option is; C

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

The inner planets include Mercury, Venus, Earth and Mars. They are also called terrestrial planets because they have solid rocky surfaces. All the inner planets are much smaller (diminutive) than the outer planets and they are closer to the Sun. Of all the four inner planets, Earth is the largest, while mercury is the smallest. The inner planets have either few moons or no moons and they are chiefly composed of heavy metals such as iron and nickel.

C-All of the inner planets are smaller than outer planets.

-Steel jelly