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doit_the_clown doit_the_clown
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7 years ago
Accretion is the process by which
A)   elements are transformed into heavier elements by nuclear reactions.
B)   massive protoplanetary cores pull gas onto themselves to create giant planets.
C)   clouds of interstellar gas and dust contract to form protostars.
D)   dust grains and ice crystals coalesce to form planetesimals.
Textbook 
Discovering the Universe

Discovering the Universe


Edition: 7th
Authors:
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Only two things are infinite, the universe and human stupidity, and I'm not sure about the former.

Albert Einstein
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hyponoticahyponotica
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7 years ago
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