Question

Which large planets are composed mostly of hydrogen and helium gases?

rocky planets
steroids
gas giants
dwarf planets

Answer 1

Answer: C. Gas Giants

Step-by-step explanation:

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Answer 2

Answer: A gas giant

Explanation: A gas giant is a large planet composed mostly of gases, such as hydrogen and helium, with a relatively small rocky core. The gas giants of our solar system are Jupiter, Saturn, Uranus and Neptune.