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doit_the_clown doit_the_clown
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7 years ago
The structure of the deep interior of a low-mass star, near the end of its life, is
A)   a carbon-oxygen core, a shell around it where helium nuclei are undergoing fusion, and a surrounding shell of hydrogen.
B)   an inactive hydrogen core and a helium shell undergoing nuclear fusion surrounded by a carbon-oxygen shell.
C)   a turbulent mixture of hydrogen, helium, carbon, and oxygen in which only helium continues to undergo nuclear fusion.
D)   a helium core surrounded by a thin hydrogen shell undergoing nuclear fusion with very small concentrations of heavier nuclei.
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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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hyponoticahyponotica
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doit_the_clown Author
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7 years ago
this is exactly what I needed
ky
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Just got PERFECT on my quiz
klyn
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This site is awesome
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