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neonfayt neonfayt
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6 years ago
Planetesimals, asteroid-size objects, form during the early history of the solar nebula due to ________.
 
  A) vortices in the rotating disc associated with the protosun
  B) the break-up of the solar nebula as it cools and contracts
  C) the formation of comets in the outer parts of the solar nebula
  D) collisions of particles of ice, metal, and rocky material rotating about the protosun
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icysparklesicysparkles
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