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Icy and rocky bodies that came before the planets, and built them, are known as:
APlanetesimals
BProtogalaxies
CMeteorites
DMicrometeors
Answer & Solution
Correct answer: A. Planetesimals
1. They are precursors of the planets.
2. Both icy and rocky kinds existed.
3. They are planetesimals.
_Source: OpenStax Astronomy 2e, Chapter 7, Other Worlds: an Introduction to the Solar System._
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