The low average densities of Jupiter and Saturn compared with Earth suggests __________.
A) they are hollow
B) they have no solid cores
C) they contain large quantities of light elements, such as hydrogen and helium
D) they are very hot
E) heavier elements must be in gaseous form in their interiors

Question

Quizplus · Accepted Answer

Jupiter and Saturn have low average densities because they are composed mostly of light elements like hydrogen and helium, which are less dense than the rocky materials that make up Earth.

The Low Average Densities of Jupiter and Saturn Compared with Earth