Question

which phrase describes the composition of the outer planets? are gaseous contain water have high densities are made mostly of liquid

Explanation:

The outer planets (Jupiter, Saturn, Uranus, Neptune) are also known as gas - giants. They are composed mainly of hydrogen and helium and are gaseous in nature. They do not have high densities like rocky inner planets, and they are not mostly liquid or primarily composed of water.

Answer:

are gaseous