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doit_the_clown doit_the_clown
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7 years ago
The early phases of planetary formation into protoplanets were characterized by
A)   slow accretion of small particles by gravitational attraction and collision.
B)   the breaking apart of very large objects into planets.
C)   condensation of hot gas clouds.
D)   violent collapse of matter under gravity.
Textbook 
Discovering the Universe

Discovering the Universe


Edition: 7th
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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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papachulopapachulo
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7 years ago
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