Multiple choice

Which correctly describes the composition of the planet Earth?

  1. it is an asteroid

  2. it is a gas planet

  3. it is a terrestrial planet

  4. it is part of a dual-Sun system
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Earth is classified as a terrestrial planet because it has a solid, rocky surface, unlike the gas giants of the outer solar system. It is composed primarily of silicate rocks and metals.

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