Answer:
The answer is gaseous with low density.
Explanation:
Because I just took the test.
The best phrase to describe the outer planets would be that they are gaseous with low density.
As a result of being so far from the sun, the outer planets such as Jupiter and Neptune, developed to be gaseous planets.
They also have a low density because the volume of the gases on the planets are quite high relate to their mass.
In conclusion, option D is correct.
Find out more on the outer planets at https://brainly.com/question/1799806.
