Which statement best describes the size of the outer planets? all the outer planets are large. all the outer planets, except saturn, are large. the inner planets are larger than the outer planets. jupiter is a large planet, while the other outer planets are small.

All the outer plants are large is the correct answer

All the outer planets are large

Explanation:

The solar system has four inner planets and four outer planets. The inner planets (Mercury, Venus, Earth and Mars) are very small as compared to outer planets (Jupiter, Saturn, Uranus and Neptune). Mercury is the smallest planet where as Jupiter is the largest planet. Saturn is the second largest planet.  Earth is the biggest planet among the inner planets. More than 1000 Earths can fit into Jupiter.

it has both hydrogen and oxygen