A probe lands on a small rocky world close to the Sun. Such worlds are made mainly of:
ASalt and water
BRock and metal
CIce and gases
DDust and smoke
Answer & Solution
Correct answer: B. Rock and metal
1. Terrestrial planets are relatively small worlds.
2. Their bulk is rock together with metal.
3. So they are made mainly of rock and metal.
_Source: OpenStax Astronomy 2e, Chapter 7, Other Worlds: An Introduction to the Solar System._
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