Question

distinguishing inner and outer planets
the outer planets are composed mostly of
inner planets have density than outer planets.

Explanation:

Outer planets (Jupiter, Saturn, Uranus, Neptune) are gas/ice giants made primarily of light gases like hydrogen and helium. Inner planets (Mercury, Venus, Earth, Mars) are rocky terrestrial worlds with solid, dense compositions, making their overall density higher than the gaseous outer planets.

Answer:

1. The outer planets are composed mostly of hydrogen and helium (or gas/ice)
2. Inner planets have higher density than outer planets.