7
QuizMultiple Choice

Beyond the Solar System — Test

Question 7 • Earth and Space Science

Which statement best explains the observed pattern in planetary composition?

Answer
A
Icy planets form close to the star because they require high temperatures to remain in their solid state.
B
Planets closer to the star are mainly composed of hydrogen and helium because high temperatures prevent rock and metal formation.
C
Planets farther from the star are mainly composed of frozen gases because they form in the coldest regions, where volatile compounds can condense.
D
The composition of planets is random and does not follow a predictable pattern.
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