According to the chart below, how do the gas giants differ from the terrestrial planets?

The gas giants do not have solid surfaces.

The gas giants have an iron core.

The gas giants lack hydrogen gas.

The gas giants do not contain water.

Gas Giants differ from the Terrestrial Planets in the sense that Gas planets do not have solid surfaces, but they may have a rocky core or one that is formed from gases which were pushed into a metallic state (iron) by the severe pressure deep within the planet. The gas giants is consist mainly of lighter gases like hydrogen and helium.