Which statement is true about gas giants, the outer planets?

Question

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1 point
Gas giants must form close to the sun in order to contain deep, gaseous atmospheres.
Gas giants have gaseous cores and rocky surfaces because the planets are far from the sun.
Gas giants contain no rock or metals because the planets are too cold for these materials to condense.
Gas giants contain gases and ices because the planets are far enough from the sun that these materials could condense.

Answer 1

The true statement about gas giants, the outer planets, is:

Gas giants contain gases and ices because the planets are far enough from the sun that these materials could condense.

This reflects the fact that the colder temperatures in the outer solar system allow for the condensation of gases and ices, which contributes to the formation of these massive planets.