Which phrase describes the composition of the outer planets?

A. are gaseous

B. contain water

C. have high densities

D. are made mostly of liquid

A

Explanation:

i just took the test

The correct option is (A) "gaseous".

Explanation:

The outer planet consists of Jupiter, Saturn, Uranus, and Neptune. These planets are much larger than the inner planets (Mercury, Venus, Earth, and Mars). The outer planet consists of gases like hydrogen and helium. That's why they are called as gas giants. On the other hand the inner planets consists of silicate rocks and metals.

Hence, the correct option about the composition of the outer planets is A" are gaseous".